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Table Of Contents - Hino Motors HINO 155 series Workshop Manual

Table Of Contents

Table of Contents

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Table of Contents

Heater And Air Conditioner3

General Introduction5

Table Of Contents5

How To Identify Vehicle Type6

Vehicle Identification Number (Vin) Structure7

Appearance Of Vehicle8

General Precautions9

Safety Instructions And Readiness To Work9

Precautions In Tilting And Lowering The Cab10

Definition Of Safety Terms11

Clean Air Act13

Heavy-Duty Engine Rebuilding Practices13

Maintenance Instructions13

Identification Information14

Vin - Vehicle Identification Number14

Vehicle Noise Emission Control Information15

Engine Serial Number15

Transmission Serial Number15

Clean Idle Certified Label For Us15

Vehicle Emission Control Information16

Safety Instructions For Work17

Safe Handling Of Electrical Systems17

Removing The Battery Cable17

Handling Of Electronic Parts18

Handling Of Wire Harness18

Handling Of Connectors19

Installation Of Battery Disconnect Switch19

Handling Of Battery Disconnect Switch19

Precaution For Electric Welding20

Introduction To Workshop Manual21

Introduction To Descriptions22

Introduction To Troubleshooting23

Definition Of Term25

Troubleshooting With Diagnosis Monitor26

Connection Of Diagnosis Check Wire26

Troubleshooting Procedure26

Indication Of Diagnosis Monitor Code27

Tag Code And System Name List For Dedicated Harness28

Apparatus For Trouble Shooting28

Preparation For Connecting Hino Dx Ii29

Connection Of Hino Dx Ii29

Trouble Diagnosis Using The Computer (Hino Dx Ⅱ )29

Step Of Trouble Diagnosis29

Apparatus For Trouble Diagnosis30

Definition Of Abbreviation31

Glossary Of Sae And Hino Terms34

Engine (J05E)37

Engine Ecu (J05E) Troubleshooting40

Precautions For Diagnosis40

Illustration Of Connector41

Numbering Of Connector Terminals41

Precautions For Terminal Measurement41

Illustration Of Connector And Measurement Surface41

Harness Wire Connector43

Using A Circuit Tester44

Using A Signal Check Harness44

Signal Check Harness Assembly45

Radio Installation - Precaution46

Using A Quick Charger - Precaution46

Air Conditioner Installation - Precaution46

Performing Electric Welding - Precautions46

Computer (Ecu) Pin Assignment47

Removing The Engine Ecu Connector51

Cleaning The Engine Ecu Connector51

Mounting The Engine Ecu Connector53

Engine Inspection55

Malfunction Indicator Light Illumination Pattern55

Trouble Diagnosis Using The Computer - Hino Dx Ⅱ56

Connection Of Hino Dx Ⅱ56

Diagnostic Trouble Code (Dtc) Table57

Group Sharing The Sensor Supply Terminal79

Group Sharing The Sensor Gnd Terminal80

Malfunction Codes In Case Of Disruption Of Can Communication81

Engine Equipment/Emission Control Device Can Line (250 K)81

Can Communication Line Malfunction Part Determination Table82

Engine Control/Diagnosis Can Line (500 K)83

Pre-Inspection For Engine Can Communication Line (250 K)84

Check The Dtc Detected (Hino Dx Ⅱ)84

Check For +B/Gnd Short-Circuit In Can H-Line85

Check For +B/Gnd Short-Circuit In Can L-Line86

Check The Terminating Resistance87

Check The Resistance88

Check Harness In Can Bus Line Between J/C Def Ssr And Dcu89

Disconnection Inspection For Engine Can_H Communication Lline (250 K) [Diesel]89

Check Harness In Can Bus Line Between J/C_Can_Diesel And J/C Def Ssr90

Check Harness In Can Bus Line Between J/C_Eng_Can And J/C_Can_Diesel91

Check Harness In Can Bus Line Between J/C_Eng_Can2 And J/C_Eng_Can92

Check Harness In Can Bus Line Between Engine Ecu And J/C_Eng_Can293

Check Harness In Can Bus Line Between Engine Ecu And Can-Tmn294

Inspect The Egr Controller (Hino Dx Ⅱ)95

Inspect The Vnt Controller (Hino Dx Ⅱ)96

Nox Sensor 1 (Hino Dx Ⅱ)96

Inspect The Nox Sensor 2 (Hino Dx Ⅱ)97

Check The Def Sensor (Hino Dx Ⅱ)97

Disconnection Inspection For Engine Can_H Communication Lline (250 K) [Hybrid]98

Check Harness In Can Bus Line Between J/C_Hv1 And J/C Def Ssr99

Check Harness In Can Bus Line Between J/C_Hv2 And J/C_Hv1100

Check Harness In Can Bus Line Between J/C_Eng_Can And J/C_Hv2101

Check Harness In Can Bus Line Between J/C_Eng_Can2 / J/C_Eng_Can102

Inspect The Egr Controller105

Inspect The Vnt Controller106

Nox Sensor 1106

Inspect The Nox Sensor 2107

Check The Def Sensor107

Pre-Inspection For Engine Can Communication Line (500 K) (Diesel)108

Check The Dtc Detected Engine Ecu108

Pre-Inspection For Engine Can Communication Line (500 K) (Hybrid)113

Check The Dcu (Terminating Resistance)116

Check The Hv Ecu (Terminating Resistance)117

Disconnection Insp. For Engine Can_H Comm. L Line (500 K) (Diesel)119

Check Harness In Can Bus Line Between J/C_Can5 And Dcu119

Check Harness In Can Bus Line Between J/C_Can1 (10P) And J/C_Can5120

Check Harness In Can Bus Line Between J/C_Can2 And J/C_Can1 (10P)120

Check Harness In Can Bus Line Between J/C_Can1 (22P) And J/C_Can2121

Check Harness In Can Bus Line Between Can_Tmn And J/C_Can1 (22P)121

Check Harness In Can Bus Line Between Dlc And J/C_Can1 (22P)122

Check Harness In Can Bus Line Between Engine Ecu And J/C_Can5123

Disconnection Inspection For Engine Can_H Comm. L Line (500K) (Hybrid)124

Check Harness In Can Bus Line Between J/C_Can2 And J/C_Can5125

Check Harness In Can Bus Line Between J/C_Can1 (10P) / J/C_Can1 (22P)126

Check Harness In Can Bus Line Between Hv Pcu And J/C_Can1 (10P)126

Malfunction Codes For Faulty Actuator Power Relay129

Eng Basic Inspecton Sheet (Engine Inspectoin Check Sheet)130

Standard Injection Quantity133

Engine Low Power, Missfire, Hesitation, Knocking, Running Rough134

Cylinder Cut-Off Test135

Air Filter Visually Check135

Air Hoses Visually Check135

Intake Throttle Visually Check136

Intake Throttle Activation Test136

Mass Air Flow Sensor Check136

Exhaust Brake Valve Check136

Dpr Normal Manual Regeneration Is Not Complete137

Inspectin Procedure For When The Def Mixed Into The Engine Coolant138

Inspect The Def In The Def Tank138

Inspect For Coolant Leakage From The Coolant Pipe138

Inspect If Engine Coolant Is Mixed Into The Def Injector139

P0005: Fuel Cut Valve Stuck Closed140

Inspection Procedure: P0005141

Inspect The Power Supply For The Fuel Cut Valve141

Inspect The Fuel Cut Valve Downstream Pipe 1/2142

Inspect The Fuel Cut Valve Upstream Pipe 1/2143

Dtc: P0006 And P0007144

P0006: Malfunction Of Fuel Cut Valve (Low)144

P0007: Malfunction Of Fuel Cut Valve (High)145

Inspection Procedure: P0006 And P0007146

Inspect The Fuel Cut Valve Connector146

Inspect The Fuel Cut Valve146

Inspect The Fuel Cut Valve Unit147

Inspect For Short-Circuit Of The Fuel Cut Valve Harness147

Inspect Disconnection Of The Fuel Cut Valve Harness148

Check The Dtc Detected (Engine Ecu)148

Crankshaft Position Sensor And Camshaft Position Sensor Rationality149

Inspection Procedure: P0016151

Inspect The Camshaft Gear151

Inspect The Flywheel151

Inspect Engine Speed Main Sensor, Engine Speed Sub Sensor151

Dtc: P0027: Exhaust Brake Performance152

Inspection Procedure: P0027153

Check The Dtc Detected 1 (Hino Dx Ⅱ)153

Inspect The Exhaust Brake Valve Piping And Hose153

Inspect The Exhaust Brake Valve154

Check The Dtc Detected 2 (Hino Dx Ⅱ)154

P003A: Initialization Failure (Vnt Actuator Initialize Error)157

Inspection Procedure: P003A159

Inspect The Operation Of The Vnt Controller160

Check The Response Delay Of The Vnt Controller161

P0045: Dc Motor Terminal Open Circuit Or Dc Motor Coil Open Circuit162

Inspection Procedure: P0045164

Check The Connector Connection (Hino Dx Ⅱ)165

Check The Operation Of The Vnt Controller (Hino Dx Ⅱ)165

P0047: Dc Motor Terminal Short Circuit, Dc Motor Short Circuit166

Inspection Procedure: P0047168

P0048: Dc Motor Terminal Short Circuit, Dc Motor Short Circuit170

Inspection Procedure: P0048172

P006E: Power Supply Failure (Out Of Range Low)174

Inspection Procedure: P006E176

Check The Vnt Controller Power Supply Circuit177

P006F: Power Supply Voltage Failure (Out Of Range High)178

Inspection Procedure: P006F180

P007B: Intake Air Temperature Sensor (Intercooler Outlet) Rationality182

Inspection Procedure: P007B189

Inspect Intercooler Outlet Temperature Sensor Connector189

Inspect The Intercooler Outlet Temperature Sensor190

Inspect The Intercooler Outlet Temperature Sensor Unit190

Inspect The Intercooler Outlet Temperature Sensor Power Supply191

Short-Circuit In Wire Harness Of Intercooler Outlet Temperature Sensor191

Disconnection In Wire Harness Of Intercooler Outlet Temperature Sensor192

Inspect The Intake Air Temperature Sensor192

Inspect The Intake Air Temperature Sensor Unit193

Inspect The Boost Pressure Sensor Hose193

Inspect The Boost Pressure Sensor Power Supply System194

Inspect The Intake Manifold Temperature Sensor194

Inspect The Intake Manifold Temperature Sensor Unit195

Dtc: P007C And P007D196

P007C: Intake Air Temperature Sensor (Intercooler Outlet) Out Of Range196

P007D: Intake Air Temperature Sensor (Intercooler Outlet) Out Of Range198

Inspection Procedure: P007C And P007D200

Inspect The Intercooler Outlet Temperature Sensor Connector200

P0088: Fuel System Pressure - High204

Inspectin Procedure: P0088206

Inspect The Start Of The Engine206

Inspect The Supply Pump206

Function Check Of Supply Pump (Hino Dx Ⅱ)207

Inspect The Pre Fuel Filter207

Inspect The Fuel Pipe208

Inspect The Fuel Tank Breather208

Inspect The Fuel Tank Feed Pipe208

Inspect The Fuel Tank209

Inspect The Supply Pump Gauze Filter209

Inspect The Fuel High-Pressure Pipe209

Inspect The Fuel Filter209

Inspect The Scv Connector210

Inspect The Common Rail Pressure Sensor Connector210

Inspect The Common Rail Pressure Sensor Power Supply210

Inspect The Engine Speed Main Sensor (Crankshaft Position Sensor)211

Inspect The Fuel Return Pipe And Hose211

P0096: Intake Air Temperature Sensor (Intake Manifold) - Rationality212

Inspection Procedure: P0096216

Inspect The Intake Air Temperature Sensor (Intake Manifold) Connector216

Inspect The Intake Air Temperature Sensor (Intake Manifold)217

Inspect The Intake Air Temperature Sensor (Intake Manifold) Unit217

Inspect The Intake Air Temperature Sensor Power Supply218

Inspect For Short-Circuit Of Intake Air Temper. Sensor Harness218

Inspect Disconnection Of The Intake Air Temperature Sensor Harness219

Inspect The Intake Air Temperature Sensor (Air Flow Sensor Built-In)219

Inspect The Intake Air Temperature Sensor (Air Flow Sensor) Unit220

Inspect The Intake Air Temperature Sensor (Intercooler Outlet)220

Inspect The Intake Air Temperature Sensor (Intercooler Outlet) Unit221

Dtc: P0097 And P0098223

P0097: Intake Air Temperature Sensor (Intake Manifold) - Out Of Range223

P0098: Intake Air Temperature Sensor Out Of Range (High)225

Inspectin Procedure: P0097 And P0098227

I227

Short-Circuit Of The Intake Air Temperature Sensor Harness229

Disconnection Of The Intake Air Temperature Sensor Harness229

Inspect The Sensor Power Supply230

P00Af: Controller Error (Vnt Actuator Cpu Malfunction)231

Inspection Procedure: P00Af233

P0101: Air Flow Sensor - Rationality235

Inspection Procedure: P0101237

Inspect The Air Cleaner Element237

Check The Intake System237

Inspect The Air Flow Sensor238

Inspect For Short-Circuits In Wire Harness Of Air Flow Sensor238

Inspect For Disconnection In Wire Harness Of Air Flow Sensor239

Inspect The Egr Valve240

Check The Response Delay Of The Egr Valve241

Inspect The Diesel Throttle Valve242

Inspect The Intercooler242

Check The Dtc Detected (P0101)243

P0104: Air Flow Sensor - Out Of Range244

Inspection Procedure: P0104246

Inspect The Air Flow Sensor Connector246

Inspect The Air Flow Senso247

Inspect For Short-Circuit Of The Air Flow Sensor Harness247

Inspect Disconnection Of The Air Flow Sensor Harness248

Inspect The Air Flow Sensor Power Supply249

Inspect The Air Flow Sensor Signal250

Check The Dtc Detected (Engine Ecu) 2250

P0106: Boost Pressure Sensor - Rationality251

Inspection Procedure: P0106253

Inspect The Boost Pressure Sensor Connector253

Inspect The Boost Pressure Sensor253

Inspect For Short-Circuits In Wire Harness Of Boost Pressure Sensor254

Inspect For Disconnection In Wire Harness Of Boost Pressure Sensor255

Inspect The Boost Pressure Sensor Power Supply256

P0108: Boost Pressure Sensor - Out Of Range (Out Of Range High)257

Inspection Procedure: P0108259

Inspect For Short-Circuit Of The Boost Pressure Sensor Harness260

Inspect Disconnection Of The Boost Pressure Sensor Harness261

Dtc: P0112 And P0113263

P0112: Intake Air Temperature Sensor - Out Of Range (Low)263

P0113: Intake Air Temperature Sensor - Out Of Range (High)265

Inspection Procedure: P0112 And P0113267

Inspect The Intake Air Temperature Sensor Connector267

Inspect Short-Circuit In Wire Harness Of Intake Air Temperature Sensor269

Disconnection In Wire Harness Of Intake Air Temperature Sensor270

P0115: Malfunction Of Coolant Temperature/Intake Air Temper. Sensor271

Inspection Procedure: P0115273

Inspect The Engine Coolant Temperature Sensor 1 Connector273

Inspect The Engine Coolant Temperature Sensor 1273

Inspect The Engine Coolant Temperature Sensor 1 Unit274

Inspect The Engine Coolant Temperature Sensor 1 Power Supply274

Short-Circuit In Wire Harness Of Engine Coolant Temperature Sensor 1275

Disconnection In Wire Harness Of Engine Coolant Temperature Sensor 1275

Inspect The Engine Coolant Temperature Sensor 2 Connector276

Inspect The Engine Coolant Temperature Sensor 2276

Inspect The Engine Coolant Temperature Sensor 2 Unit277

Inspect The Engine Coolant Temperature Sensor 2 Power Supply277

Short-Circuit In Wire Harness Of Engine Coolant Temperature Sensor 2278

Disconnection In Wire Harness Of Engine Coolant Temperature Sensor 2278

Dtc: P0117 And P0118280

P0117: Engine Coolant Temperature Sensor 1 - Out Of Range (Low)280

P0118: Engine Coolant Temperature Sensor 1 - Out Of Range (High)282

Inspection Procedure: P0117 And P0118284

Inspect The Engine Coolant Temperature Sensor Connector284

Inspect The Engine Coolant Temperature Sensor284

Inspect The Engine Coolant Temperature Sensor Unit285

Actuation Power Supply Wire Harness Of Engine Coolant Temper. Sensor285

Inspect For Short-Circuit Of Engine Coolant Temperature Sensor Harness286

Inspect Disconnection Of Engine Coolant Temperature Sensor Harness286

P011A: Engine Coolant Temperature Sensor - Rationality288

Inspection Procedure: P011A290

Short-Circuit Of The Engine Coolant Temperature Sensor 1 Harness292

Disconnection Of The Engine Coolant Temperature Sensor 1 Harness292

P011C: Intake Air Temperature Sensor - Rationality297

Inspection Procedure: P011C299

Short-Circuits In Wire Harness Of Intake Air Temperature Sensor301

Dtc: P0122 And P0123303

P0122: Intake Throttle Valve Position Sensor 1 - Out Of Range (Low)303

P0123: Intake Throttle Valve Position Sensor 1 - Out Of Range (High)305

Inspection Procedure: P0122 And P0123306

Inspect The Intake Throttle Valve Position Sensor 1 Connector306

Inspect The Intake Throttle Valve Position Sensor 1306

Inspect The Intake Throttle Valve Position Sensor 1 Unit307

Inspect The Intake Throttle Valve Position Sensor 1 Power Supply308

Inspect The Diesel Throttle Position Sensor 1 Ground Circuit308

Short-Circuits In Wire Harness Of Diesel Throttle Position Sensor 1309

Disconnection In Wire Harness Of Diesel Throttle Position Sensor 1310

P0128: Thermostat: Coolant Temperature Doesn't Reach Warmed-Up Temp.312

Inspection Procedure: P0128314

Inspect The Thermostat315

Inspect The Thermostat Valve-Opening Temperature316

Inspect The Thermostat Valve-Open Time316

P0148: Abnormality In Post Injection318

Inspection Procedure: P0148320

Inspect The Fuel Line321

Check The Dtc Detected 3 (Hino Dx Ⅱ)322

Perform The Cylinder Cut-Off Test (Hino Dx Ⅱ)323

Check The Dtc Detected 4 (Hino Dx Ii)323

Replace The Common Rail Assembly (Hino Dx Ⅱ)324

Check The Injector Clamp324

Check The Valve Clearance325

Check The Engine Compression Pressure326

Check The Dtc Detected 5 (Hino Dx Ⅱ)327

Flow-Cut Off Test328

Dtc: P016E And P016F330

P016E: Fuel System Pressure Control - High330

P016F: Fuel System Pressure Control - Low332

Inspection Procedure: P016E And P016F334

Dtc: P0182 And P0183340

P0182: Fuel Temperature Sensor Low340

P0183: Fuel Temperature Sensor High342

Inspection Procedure: P0182 And P0183344

Inspect The Fuel Temperature Sensor Connector344

Inspect The Fuel Temperature Sensor344

Inspect The Fuel Temperature Sensor Unit345

Inspect The Fuel Temperature Sensor Power Supply345

Inspect For Short-Circuits In Wire Harness Of Fuel Temperature Sensor346

Inspect Disconnection Of The Fuel Temperature Sensor Harness346

P0191: Fuel Rail Pressure Sensor (Main And Sub) - Out Of Range348

Inspection Procedure: P0191350

Dtc: P0192 And P0193357

P0192: Fuel Rail Pressure Sensor (Main) - Out Of Range (Low)357

P0193: Fuel Rail Pressure Sensor (Main) - Out Of Range (High)359

Inspection Procedure: P0192 And P0193361

Inspect The Common Rail Pressure Sensor Unit362

Inspect The Common Rail Pressure Sensor Signal Circuit363

Short-Circuits In Wire Harness Of Common Rail Pressure Sensor364

Inspect Disconnection Of The Common Rail Pressure Sensor Harness365

P01A5: Fuel Rail Pressure Sensor (Sub) - Out Of Range (Low)367

Inspection Procedure: P01A5369

P01A6: Fuel Rail Pressure Sensor (Sub) - Out Of Range (High)374

Inspection Procedure: P01A6376

P0200: Fuel Injector Driver Charge Circuit (Circuit High)381

Inspection Procedure: P0200383

Check The Engine Ecu Internal Circuit (Hino Dx Ⅱ)383

Dtc: P0201, P0202, P0203 And P0204 - Fuel Injector - Disconnection384

Inspection Procedure: P0201, P0202, P0203 And P0204386

Inspect The Engine Ecu Connector, Injector Connector386

Inspect Disconnection Of The Engine Ecu Harness386

Check For Disconnection In Wire Harness Of Injector Central Connector387

Inspect Disconnection Of The Injector Harness388

Inspect The Injector Unit388

P0217: Engine Coolant Over Temperature Condition389

Inspection Procedure: P0217391

Inspect The Engine391

Inspect The Cooling Fan391

Inspect The Fan Clutch391

Inspect The Coolant Temperature Sensor Connector392

P0219: Engine Overspeed Condition394

Inspection Procedure: P0219396

Inspect The Engine Oil Level396

Inspect The Engine Speed Main Sensor Connector396

Check The Engine Speed Main Sensor397

Inspect The Engine Speed Main Sensor Power Supply397

Check For Disconnection In Wire Harness Of Engine Speed Main Sensor398

Check For Short-Circuit In Wire Harness Of Engine Speed Main Sensor399

Check The Engine Speed Main Sensor Signal400

Dtc: P0222 And P0223402

P0222: Intake Throttle Valve Position Sensor 2 - Out Of Range (Low)402

P0223: Intake Throttle Valve Position Sensor 2 - Out Of Range (High)404

Inspection Procedure: P0222 And P0223406

Inspect The Intake Throttle Valve Position Sensor 2 Connector406

Inspect The Intake Throttle Valve Position Sensor 2406

Inspect The Intake Throttle Valve Position Sensor 2 Unit407

Inspect The Intake Throttle Valve Position Sensor 2 Power Supply408

Inspect The Intake Throttle Valve Position Sensor 2 Signal Circuit408

Short-Circuits In Wire Harness Of Intake Throttle Valve Pos. Sensor 2409

Inspect For Disconnections In Wire Harness Of Intake Throttle Valve410

P0234: Overboost412

Inspection Procedure: P0234414

Inspect The Response Delay Of The Vnt Controller416

Inspect The Response Delay Of The Egr Valve417

P0237: Boost Pressure Sensor - Out Of Range (Out Of Range Low)418

Inspection Procedure: P0237420

Dtc: P0263, P0266, P0269 And P0272 - Injection Quantity And Timing424

Inspection Procedure: P0263, P0266, P0269 And P0272427

Check The Dtc Detected 4 (Engine Ecu)430

Replace The Common Rail Assembly430

Check The Dtc Detected 5 (Engine Ecu)434

P026C: All Injector (#1 - #4) Injection Quantity And Timing435

P026D: All Injector (#1 - #4) Injection Quantity And Timing435

Dtc: P026C And P026D435

Inspection Procedure: P026C And P026D437

Perform The Cylinder Cut-Off Test (Hino Dx Ⅱ )440

P0299: Underboost448

Inspection Procedure: P0299450

P0300: All Injector (#1 - #4) Misfire454

Inspection Procedure: P0300456

Inspect The Fuel Pipes456

Perform The Cylinder Cut-Off Test457

Check The Compression Ratio459

Check The Dtc Detected (Engine Ecu) 3459

Dtc: P0301, P0302, P0303 And P0304 - Misfire462

Inspection Procedure: P0301, P0302, P0303 And P0304464

Inspect The Fuel Injection Pipe Between Common Rail And Injector465

P0335: Engine Speed Main Sensor - Disconnection471

Inspection Procedure: P0335473

Inspect The Engine Speed Main Sensor473

Inspect The Engine Speed Main Sensor (Crankshaft Position Sensor) Unit474

Inspect For Short-Circuit Of The Engine Speed Main Sensor Harness476

Inspect Disconnection Of The Engine Speed Main Sensor Harness477

P0336: Engine Speed Main Sensor - Rationality478

Inspection Procedure: P0336479

Check The Engine Speed Main Sensor (Crankshaft Position Sensor) Signal483

P0340: Engine Speed Sub Sensor - Disconnection485

Inspection Procedure: P0340486

Inspect The Engine Speed Sub Sensor Connector486

Inspect The Engine Speed Sub Sensor (Camshaft Position Sensor)486

Inspect The Sensor Power Supply 1487

Inspect The Sensor Power Supply 2488

P0341: Engine Speed Sub Sensor - Rationality489

Inspection Procedure: P0341491

Inspect For Short-Circuit Of The Engine Speed Sub Sensor Harness492

Inspect Disconnection Of The Engine Speed Sub Sensor Harness493

Inspect The Engine Speed Sub Sensor Power Supply494

Inspect The Engine Speed Sub Sensor (Camshaft Position Sensor) Signal495

P0381: Glow Lamp (Wait-To-Start Lamp) - Circuit497

Inspection Procedure: P0381499

Inspect The Combination Meter Connector499

Check The Combination Meter Operation499

Check The Glow Light Circuit500

Check For Short-Circuit In Wire Harness Of Glow Light501

Check For Disconnection In Glow Light Wire Harness502

P0401: Egr Low Flow503

Inspection Procedure: P0401505

Check The Boost Pressure Sensor Output Signal506

Inspect The Egr Cooler509

Inspect The Scv510

Inspect The Injector511

Scv Free Acceleration Test513

Types Of Hino Dx Ⅱ Data To Be Measured514

If The Following Symptoms Occur, Fail. If Not, Ok514

Final Value Of Pump Current Target Test518

P0402: Egr High Flow519

Inspection Procedure: P0402522

Check The Air Intake System524

P0404: Valve Position Control Failure - Dc Motor Out Of Range530

Inspection Procedure: P0404532

Inspect The Egr Valve Power Supply533

Dtc: P0405 And P0406535

P0405: Egr Valve Controller Position Sensor Signal Too Low535

P0406: Valve Position Sensor Magnet Lost537

Inspection Procedure: P0405 And P0406539

Inspect The Egr Valve Connector539

P041B: Egr Gas Temperature Sensor - Rationality541

P041B: Egr Gas Temperature Sensor Rationality543

Inspection Procedure: P041B547

Inspect The Egr Cooler Outlet Temperature Sensor Connector547

Inspect The Egr Cooler Outlet Temperature Sensor548

Inspect The Egr Cooler Outlet Temperature Sensor Unit548

Inspect The Egr Cooler Outlet Temperature Sensor Power Supply549

Short-Circuit Of The Egr Cooler Outlet Temperature Sensor Harness549

Disconnection Of The Egr Cooler Outlet Temperature Sensor Harness550

Dtc: P041C And P041D554

P041C: Egr Gas Temperature Sensor - Out Of Range (Out Of Range Low)554

P041D: Egr Gas Temperature Sensor - Out Of Range (Out Of Range High)556

Inspection Procedure: P041C And P041D558

P0420: Tentative Determination Of Atc Deterioration562

Inspection Procedure: P0420563

P0421: Determination Of Atc Deterioration564

Inspection Procedure: P0421565

Inspect The Exhaust Gas Temperature Sensor (Dpf Inlet) Connector565

Inspect The Exhaust Gas Temperature Sensor (Dpf Inlet)566

P0422: Doc Deterioration567

Inspection Procedure: P0422568

Inspect Fuel568

Inspect The Exhaust Gas Temperature Sensor Connector568

Inspect The Exhaust Gas Temperature Sensor569

Dtc: P0489 And P0490570

P0489: Egr Valve Controller Motor (Open Circuit)570

P0490: Egr Valve Controller Motor (Short Circuit)572

Inspection Procedure: P0489 And P0490574

Check The Dtc Detected 2 (Engine Ecu)575

P049D: Position Failure (Egr Actuator Wiping Fault)576

Inspection Procedure: P049D578

Check The Response Delay Of The Egr Controller580

Dtc: P04D5 And P04D6581

P04D5: Exhaust Brake - Circuit (Circuit Low)581

P04D6: Exhaust Brake - Circuit (Circuit High)583

Inspection Procedure: P04D5 And P04D6585

Inspect The Exhaust Brake Magnetic Valve Connector585

Inspect The Exhaust Brake Magnetic Valve585

Inspect The Exhaust Brake Magnetic Valve Unit586

Inspect For Power – Circuit Of The Exhaust Brake Magnetic Valve586

Short-Circuit Of The Exhaust Brake Magnetic Valve Harness587

Inspect Disconnection Of The Exhaust Brake Magnetic Valve Harness587

P04Da: Egr Feedback Failure589

Inspection Procedure: P04Da591

P0500: Vehicle Speed Sensor - Low599

Dtc: P0500 And P0501599

P0501: Vehicle Speed Sensor - High601

Inspection Procedure: P0500 And P0501602

Inspect The Combination Meter602

Check The Dtc Detected (Vehicle Control Ecu)602

Short-Circuits In Wire Harness Of Vehicle Speed Signal Circuit603

Disconnection In Wire Harness Of Vehicle Speed Signal Circuit604

P0504: Brake Switch Correlation606

Inspection Procedure: P0504607

Inspect The Brake Switch Connector607

Inspect The Brake Switch607

Inspect The Brake Switch Unit608

Check The Brake Switch Power Supply608

Check The Brake Switch Signal609

P0506: Idle Speed Control System611

Inspection Procedure: P0506612

Check The Injector Fuel Injection Quantity (Hino Dx Ⅱ)613

Inspect The Air Compressor614

Inspect The Power Steering Pump614

P0507: Idle Speed Control System615

Inspection Procedure: P0507616

P0521: Malfunction Of Oil Pressure Switch (High)619

Inspection Procedure: P0521620

Check The Engine Oil Level620

Check For Engine Oil Leaks620

Inspect The Oil Pressure Switch Connector621

Inspect The Oil Pressure Switch Unit621

Inspect For Short-Circuit Of The Oil Pressure Switch Harness622

P0524: Engine Oil Pressure Too Low623

Inspection Procedure: P0524624

Inspect Disconnection Of The Oil Pressure Switch Harness627

P0545: Exhaust Gas Temperature Sensor (Doc1 Inlet) - Out Of Range628

Dtc: P0545 And P0546628

P0546: Exhaust Gas Temperature Sensor (Doc1 Inlet) - Out Of Range630

Inspection Procedure: P0545 And P0546632

Inspect The Exhaust Gas Temperature Sensor (Doc1 Inlet) Connector632

Inspect The Exhaust Gas Temperature Sensor (Doc1 Inlet)632

Inspect The Exhaust Gas Temperature Sensor (Doc1 Inlet) Unit633

Check Short-Circuit In Wire Harness Of Exhaust Gas Temperature Sensor634

Check Disconnection In Wire Harness Of Exhaust Gas Temperature Sensor635

P054E: Idling Injection Rate Abnormality (Low)636

Inspection Procedure: P054E637

P054F: Idling Injection Rate Abnormality (High)640

Inspection Procedure: P054F641

P0562: Battery Voltage - Out Of Range (Out Of Range Low)644

Dtc: P0562 And P0563644

P0563: Battery Voltage - Out Of Range (Out Of Range High)645

Inspection Procedure: P0562 And P0563646

Inspect The Fuse Or Fusible Link646

Inspect The Connection Of The Battery Cable646

Inspect The Alternator646

Inspect The Engine Ecu Power Supply647

P05F1: Crankcase Ventilation System649

Inspection Procedure: P05F1651

Check The Response Delay Of The Egr Valve (Hino Dx Ⅱ)654

Inspect The Intake Throttle Valve655

P0605: Flash Rom Error657

Inspection Procedure: P0605658

Inspect The Engine Ecu Circuit (Hino Dx Ⅱ)658

P0606: Control Module Processor659

Inspection Procedure: P0606660

P0607: Control Module Performance661

Inspection Procedure: P0607662

P0610: Vin Data Error663

Inspection Procedure: P0610664

Check The Dtc Detected 1 (Engine Ecu)664

Inspect The Vehicle Information (Hino Dx Ⅱ)664

Reprogram The Vehicle Control Ecu (Hino Dx Ⅱ)665

Reprogram The Engine Ecu (Hino Dx Ⅱ)665

P0611: Fuel Injector Driver Charge Circuit - Circuit (Circuit Low)666

Inspection Procedure: P0611667

P0617: Starter Key - Rationality668

Inspection Procedure: P0617669

Inspect The Starter Key Connector669

Inspect The Starter Key "Start" Signal669

Short-Circuit Of Wire Harness Of Starter Key "Start" Signal670

Inspect Disconnection Of Wire Harness Of Starter Key "Start" Signal671

P0628: Suction Control Valve For Fuel Supply Pump - Circuit672

Dtc: P0628 And P0629672

P0629: Suction Control Valve For Fuel Supply Pump - Circuit674

Inspection Procedure: P0628 And P0629676

Inspect The Suction Control Valve (Scv) Connector676

Inspect The Suction Control Valve (Scv) Unit676

Inspect For Short-Circuit In Wire Harness Of Suction Control Valve677

Inspect For Disconnection In Wire Harness Of Suction Control Valve678

P062F: Controller Store Data Error (Vnt Actuator Eeprom Error)680

Inspection Procedure: P062F682

Check Operation Of Vnt Controller (Hino Dx Ⅱ)683

P0630: Vin Not Programmed Or Mismatch684

Inspection Procedure: P0630686

Check The Vehicle Information (Hino Dx Ⅱ)686

Check The Vehicle Control Ecu (Hino Dx Ⅱ)687

Check The Dtc Detected (Engine Ecu) (Hino Dx Ⅱ)687

P0642: Ecu Sensor Power Supply 1 Failure (Out Of Range Low)688

Inspection Procedure: P0642690

Check The Wire Harness Of The Sensor Power Supply693

P0643: Ecu Sensor Power Supply 1 Failure (Out Of Range High)694

Inspection Procedure: P0643696

Check The Power Supply Of Common Rail Pressure Sensor 1696

Check The Power Supply Of Accelerator Sensor 2697

Check The Power Supply Of Boost Pressure Sensor698

Check The Power Supply Of Intake Throttle Valve Position Sensor699

Check The Power Supply Of Engine Speed Sub Sensor700

Check The Power Supply Of All Sensors701

P064C: Glow Controller - Battery For Glow Plug Open702

Inspection Procedure: P064C704

Inspect The Fuse (Gcu (M)), Fusible Link (Glow)704

Inspect The Ground Circuit Of The Glow Control Unit704

Inspect The Glow Control Unit Power Supply Circuit705

Inspect The Gcu Harness705

Inspect The Ground Circuit Voltage706

P0652: Ecu Sensor Power Supply 2 Failure (Out Of Range Low)707

Inspection Procedure: P0652709

Inspect The Wire Harness Of The Sensor Power Supply712

P0653: Ecu Sensor Power Supply 2 Failure (Out Of Range High)713

Inspection Procedure: P0653715

Inspect The Power Supply Of Common Rail Pressure Sensor 2715

Inspect The Power Supply Of Accelerator Sensor 1716

Inspect The Power Supply Of Dpr Differential Pressure Sensor716

Inspect The Power Supply Of The Pto Accelerator Sensor717

Power Supply Of Aftertreatment Fuel Injection Line Pressure Sensor718

Inspect The Power Supply Of All Sensors719

P0671: Glow Plug (Circuit Low) (#1Cyl), Glow Plug (Circuit High)720

Dtc: P0671 And P0672720

P0672: Glow Plug (Circuit Low) (#2Cyl), Glow Plug (Circuit High)722

Inspection Procedure: P0671 And P0672724

Inspect The Fusible Link (Glow)724

Inspect The Power Supply Wire Harness Of The Glow Control Unit (Gcu)724

Inspect The Wire Harness Of The Glow Plug725

P0673: Glow Plug (Circuit Low) (#3Cyl), Glow Plug (Circuit High)726

Dtc: P0673 And P0674726

P0674: Glow Plug (Circuit Low) (#4Cyl), Glow Plug (Circuit High)728

Inspection Procedure: P0673 And P0674730

P0683: Glow Controller - Battery For Glow Controller Open732

Inspection Procedure: P0683734

Inspect The Fuse And Fusible Link734

Inspect The Gcu Circuit734

Inspect The Gcu Power Supply Circuit735

Inspect The Harness Of The Gcu736

Check The Ground Circuit Voltage737

P0686: Ecm/Pcm Power Relay Control Circuit High738

Inspection Procedure: P0686740

Inspect The Main (Edu) Relay740

Inspect The Main Relay Unit740

Inspect The Main Relay Power Supply Circuit741

Inspect The Main Relay Power Supply742

P06D3: Air Flow Sensor Power Supply Failure Short To Gnd743

Dtc: P06D3 And P06D4743

P06D4: Air Flow Sensor Power Supply Failure (High)745

Inspection Procedure: P06D3 And P06D4747

Inspect For Short-Circuit In Wire Harness Or Air Flow Sensor748

Inspect For Disconnection In Wire Harness Or Air Flow Sensor749

Inspect The Air Flow Sensor Signal Unit750

P073D: Transmission Information - Rationality752

Inspection Procedure: P073D754

Inspect The Neutral Switch (Hino Dx Ⅱ)754

Check The Neutral Switch Signal755

P081A: Starter Disable Circuit Low756

Inspection Procedure: P081A758

Inspect The Starter Cut Relay Connector758

Short-Circuit In Wire Harness Of Starter Cut Relay Signal Circuit759

Disconnection In Wire Harness Of Starter Cut Relay Signal Circuit760

Inspect For Disconnection In Wire Harness Of Starter Cut Relay760

P081B: Starter Disable Circuit High762

Inspection Procedure: P081B764

Inspect The Starter Block Relay Connector764

Inspect For Disconnection In Wire Harness Of Starter Block Relay764

P0A7B: Hv Battery System Failure766

Inspection Procedure: P0A7B767

P0Ac4: Hv System Failure768

Inspection Procedure: P0Ac4769

P0Ca1: Hv Motor System Failure770

Inspection Procedure: P0Ca1771

P1133: Pto Accelerator Sensor (Hi)772

Inspection Procedure: P1133773

Inspect The Pto Accelerator Sensor Connector773

Inspect The Pto Accelerator Sensor773

Inspect The Pto Accelerator Sensor Unit774

Inspect For Short-Circuit Of The Pto Accelerator Sensor Harness775

Inspect Disconnection Of The Pto Accelerator Sensor Harness776

P119F: Fuel Rail Pressure Sensor - Rationality778

Inspection Procedure: P119F780

Inspect The Signal Of The Common Rail Pressure Sensor782

P1426: Differential Pressure Sensor - Rationality784

Inspection Procedure: P1426786

Check The Differential Pressure Hose And Pipe786

Inspect The Differential Pressure Sensor Connector786

Inspect The Differential Pressure Sensor786

Inspect The Differential Pressure Sensor Unit787

Inspect For Short-Circuit Of Differential Pressure Sensor Harness788

Inspect Disconnection Of The Differential Pressure Sensor Harness789

P1427: Differential Pressure Sensor - Out Of Range (Out Of Range Low)791

Inspection Procedure: P1427793

Inspect The Power Supply Of The Sensor795

Inspect Disconnection Of Differential Pressure Sensor Harness796

P1428: Differential Pressure Sensor - Out Of Range (Out Of Range High)798

Inspection Procedure: P1428800

P1458: Valve Position Control Failure - Dc Motor Out Of Range806

Inspection Procedure: P1458808

P1459: Controller High Temperature811

Inspection Procedure: P1459813

Check The Egr Valve Power Supply814

P14B0: Controller Store Data Error816

Inspection Procedure: P14B0818

P14B2: Egr Controller Power Supply Open Circuit820

Inspection Procedure: P14B2822

P14B3: Battery Voltage (High) (Egr Actuator Power Supply Too High)824

Dtc: P14B3 And P14B4824

P14B4: Battery Voltage (Low) (Egr Actuator Power Supply Too Low)826

Inspection Procedure: P14B3 And P14B4828

P14B7: Egr Valve Controller Temperature Sensor 1 (Signal Too Low)830

Dtc: P14B7 And P14B8830

P14B8: Egr Valve Controller Temperature Sensor 1 (Signal Too High)832

Inspection Procedure: P14B7 And P14B8834

P14Bc: Egr Valve Controller Temperature Sensor 2 (Signal Too Low)836

Dtc: P14Bc And P14Bd836

P14Bd: Egr Valve Controller Temperature Sensor 2 (Signal Too High)838

Inspection Procedure: P14Bc And P14Bd840

P14Bf: Egr Valve Controller Temperature Sensor 1, 2 - Rationality842

Inspection Procedure: P14Bf844

P1515: Charge Air Undercooling847

Inspection Procedure: P1515849

Inspect The Radiator Curtain849

Inspect The Radiator Fan850

Inspect The Intercooler Tube851

Inspect The Radiator851

P1530: Engine Stop Switch Malfunction852

Inspection Procedure: P1530853

Inspect The Engine Stop Switch853

Inspect The Engine Stop Switch Connector853

Inspect The Engine Stop Switch Unit853

Power Supply Short-Circuit In Wire Harness Of Engine Stop Switch854

Inspect For Disconnection In The Wire Harness Of Engine Stop Switch855

P1601: Fuel Injector Adjustment Data Error856

Inspection Procedure: P1601858

Check The Injector Replaced Record858

Check The Qr Code 1 (Hino Dx Ⅱ)858

Check The Qr Code 2 (Hino Dx Ⅱ)859

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Troubleshooting

This manual is also suitable for:

Hino 195h series Hino 155h series Hino 195 series