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Hino 258LP Manuals
Manuals and User Guides for Hino 258LP. We have
1
Hino 258LP manual available for free PDF download: Workshop Manual
Hino 258LP Workshop Manual (920 pages)
Brand:
Hino
| Category:
Automobile
| Size: 27 MB
Table of Contents
Introduction
1
Chapter References Regarding this Workshop Manual
2
Index: Troubleshooting
3
Engine Control System (J08E) Contents
4
Table of Contents
5
DTC: P081A Starter Disable Circuit Low
6
Inspection Procedure: P081A
8
Check the DTC Detected (Engine ECU) (Hino-DX)
8
Inspect the Starter Cut Relay Connector
8
Inspect for Disconnection in Wire Harness of Starter Cut Relay
9
Checklist: P081A
10
DTC: P081B Starter Disable Circuit High
11
Inspection Procedure: P081B
13
Checklist: P081B
15
DTC: P0850 Neutral Switch - Rationality
16
Inspection Procedure: P0850
18
Inspect the Neutral Switch
18
Inspect the Neutral Switch Connector
18
Inspect the Neutral Switch Unit
18
Inspect the Power Supply of the Neutral Switch
19
Inspect the Neutral Switch Harness
20
Checklist: P0850
21
DTC: P1133 PTO Accelerator Sensor (Hi)
23
Ispection Procedure: P1133
25
Inspect the PTO Accelerator Sensor Connector
25
Inspect the PTO Accelerator Sensor
25
Inspect the PTO Accelerator Sensor Unit
26
Inspect for Short-Circuit of the PTO Accelerator Sensor Harness
27
Inspect Disconnection of the PTO Accelerator Sensor Harness
28
Checklist: P1133
29
DTC: P119F Fuel Rail Pressure Sensor - Rationality
31
Inspection Procedure: P119F
33
Check the DTC Detected 1 (Engine ECU) (Hino-DX)
33
Inspect the Common Rail Pressure Sensor Connector
33
Inspect the Sensor Power Supply
34
Inspect the Signal of the Common Rail Pressure Sensor
35
Check the DTC Detected 2(Engine ECU) (Hino-DX)
35
Checklist: P119F
36
DTC: P141F Burner System Malfunction
38
Inspection Procedure: P141F
39
DTC: P1426 Differential Pressure Sensor - Rationality
41
Inspection Procedure: P1426
43
Check the Differential Pressure Hose and Pipe
43
Inspect the Differential Pressure Sensor Connector
43
Inspect the Differential Pressure Sensor
43
Inspect the Differential Pressure Sensor Unit
44
Inspect for Short-Circuit of the Differential Pressure Sensor Harness
44
Inspect Disconnection of the Differential Pressure Sensor Harness
45
Checklist: P1426
47
DTC: P1427 Differential Pressure Sensor - out of Range (out of Range Low)
49
Inspection Procedure: P1427
51
Inspect the Power Supply of the Differential Pressure Sensor
52
Checklist: P1427
55
DTC: P1428 Differential Pressure Sensor - out of Range (out of Range High)
57
Inspection Procedure: P1428
59
Inspect the Differential Pressure Sensor Power Supply
60
Checklist: P1428
64
DTC: P1458 Valve Position Control Failure - DC Motor out of Range, Functional (EGR Actuator over Temp Warning Level)
66
Inspection Procedure: P1458
68
Inspect the EGR Valve
68
Inspect the EGR Valve Connector
69
Inspect the EGR Power Supply
69
Inspect the Response Delay of the EGR Valve (Hino-DX)
70
Checklist: P1458
71
DTC: P1459 Controller High Temperature (EGR Actuator over Temp Severe Level)
73
Inspection Procedure: P1459
75
Check the EGR Valve Power Supply
76
Checklist: P1459
78
DTC: P14B0 Controller Store Data Error (EGR Actuator Abnormal Information Reading)
80
Inspection Procedure: P14B0
82
Inspect the EGR Valve Power Supply
83
Check the DTC Detected 2 (Engine ECU) (Hino-DX)
83
Checklist: P14B0
84
DTC: P14B2 EGR Controller Power Supply Open Circuit (EGR Actuator Power Supply Open Circuit)
85
Inspection Procedure: P14B2
87
Checklist: P14B2
89
DTC: P14B3 and P14B4
90
P14B3: Battery Voltage (High) (EGR Actuator Power Supply too High)
90
P14B4: Battery Voltage (Low) (EGR Actuator Power Supply too Low)
92
Inspection Procedure: P14B3 and P14B4
94
Checklist: P14B3 and P14B4
96
DTC: P14B7 and P14B8
97
P14B7: EGR Valve Controller Temperature Sensor 1 (Signal too Low) (EGR Actuator Temp. Sensor 1 Signal too Low)
97
P14B8: EGR Valve Controller Temperature Sensor 1 (Signal too High) (EGR Actuator Temp. Sensor 1 Signal too High)
99
Inspection Procedure: P14B7 and P14B8
101
Checklist: P14B7 and P14B8
103
DTC: P14BC and P14BD
104
P14BC: EGR Valve Controller Temperature Sensor 2 (Signal too Low) (EGR Actuator Temp. Sensor 2 Signal too Low)
104
P14BD: EGR Valve Controller Temperature Sensor 2 (Signal too High) (EGR Actuator Temp. Sensor 2 Signal too High)
106
Inspection Procedure: P14BC and P14BD
108
Checklist: P14BC and P14BD
110
DTC: P14BF EGR Valve Controller Temperature Sensor 1, 2 - Rationality (EGR Actuator Temp. Sensor 1 Performance Invalid)
111
Inspection Procedure: P14BF
113
Check the Response Delay of the EGR Valve (Hino-DX)
115
Checklist: P14BF
116
DTC: P1515 Charge Air Undercooling
118
Inspection Procedure: P1515
119
Inspect the Radiator Curtain
119
Inspect the Air Cleaner Element
119
Inspect the Radiator Fan
120
Inspect the Fan Clutch
120
Inspect the Intercooler
120
Inspect the Intercooler Tube
120
Inspect the Radiator
121
Checklist: P1515
122
DTC: P1530 Engine Stop Switch Malfunction
124
Inspection Procedure: P1530
125
Inspect the Engine Stop Switch
125
Inspect the Engine Stop Switch Connector
125
Inspect the Engine Stop Switch Unit
125
Inspect for Power Supply Short-Circuit in the Wire Harness of the Engine Stop Switch
126
Inspect for Disconnection in the Wire Harness of the Engine Stop Switch
126
Checklist: P1530
127
DTC: P1601 Fuel Injector Adjustment Data Error
129
Inspection Procedure: P1601
131
Check the Injector Replaced Record
131
Check the Injector Calibration Data (QR CODE) 1 (Hino-DX)
131
Check the Injector Calibration Data (QR CODE) 2 (Hino-DX)
132
Checklist: P1601
133
DTC: P200C DPF over Temperature
134
Inspection Procedure: P200C
136
Inspect the Exhaust Pipe
136
Inspection of the Exhaust Gas Temperature(Hino-DX)
137
Inspect the Injector (Hino-DX)
137
Perform Engine Basic Inspection (Hino-DX)
138
Inspect the Exhaust Gas Temperature Sensor (DOC Outlet) Connector
138
Inspect the Outside of the Exhaust Gas Temperature Sensor (DOC Outlet)
139
Inspect the Exhaust Gas Temperature Sensor (DOC Outlet) Unit
139
Inspect the Exhaust Gas Temperature Sensor (Burner Outlet) Connector
140
Inspect the Exhaust Gas Temperature Sensor (Burner Outlet)
141
Inspect the Exhaust Gas Temperature Sensor (Burner Outlet) Unit
141
Checklist: P200C
142
DTC: P203F Empty Reductant Tank
145
Inspection Procedure: P203F
147
Inspect the DEF Tank
147
Inspect the DEF Tank Level Sensor Connector
147
Inspect the DEF Tank Level Sensor
147
Check the DTC Detected (Engine) (Hino-DX)
148
Checklist: P203F
149
DTC: P204F Reductant System Performance
150
Ispection Procedure: P204F
152
DTC: P207F Improper Reductant
154
Inspection Procedure: P207F
156
Inspect the DEF Concentration
156
Perform a Basic Engine Check
156
Inspect the Air Flow Sensor
156
Inspect the Exhaust Gas Temperature Sensor (SCR Inlet) Connector
157
Inspect the Exhaust Gas Temperature Sensor (SCR Inlet)
157
Inspect the Exhaust Gas Temperature Sensor (SCR Inlet) Unit
158
Check the DEF Pipe (Pump Injector)
158
Inspect the DEF Injector 1 (Hino-DX)
159
Inspect the DEF Injector 2 (Hino-DX)
159
Inspect the Nox Sensor (Hino-DX)
160
Inspect the SCR Catalyst (Hino-DX)
161
Checklist: P207F
162
DTC: P20EE Nox Converting Catalyst Conversion Efficiency
166
Inspection Procedure: P20EE
168
Check the DEF Solution
168
Perform a Basic Engine Check (Hino-DX)
168
Checklist: P20EE
174
DTC: P2100 DC Motor for Intake Throttle Valve - Circuit (Open Circuit (Circuit Low))
178
Inspection Procedure: P2100
180
Inspect the Diesel Throttle Connector
180
Inspect the Diesel Throttle
180
Inspect the Diesel Throttle Power Supply
180
Inspect the Diesel Throttle Power Supply Harness
181
Check the Operation of the Diesel Throttle (Hino-DX)
181
Checklist: P2100
183
DTC: P2101 Intake Throttle Valve - Functional
185
Inspection Procedure: P2101
187
Inspect the Air Hose and Air Pipe
187
Inspect the Exhaust Muffler (Exhaust Pipe)
188
Inspect the Exhaust Brake Valve
188
Check the Operation of the Diesel Throttle Valve (Hino-DX)
190
Checklist: P2101
191
DTC: P2103 DC Motor for Intake Throttle Valve - Circuit (Short Circuit (Circuit High))
193
Inspection Procedure: P2103
195
Inspect the DTC Detected (Engine ECU) (Hino-DX)
197
Checklist: P2103
198
DTC: P2120 Throttle/Pedal Position Sensor/Switch "D" Circuit
200
Inspection Procedure: P2120
202
Check the DTC Detected (Engine ECU) 1 (Hino-DX)
202
Check the DTC Detected (Engine ECU) 2 (Hino-DX)
202
Check the DTC Detected (Engine ECU) 3 (Hino-DX)
203
Cbhecklist: P2120
204
DTC: P2122 and P2123
205
P2122: Accelerator Pedal Position Sensor 1 - out of Range (out of Range Low)
205
P2123: Accelerator Pedal Position Sensor 1 - out of Range (out of Range High)
206
Insection Procedure: P2122 and P2123
207
Inspect the Accelerator Sensor 1 Connector
207
Inspect the Accelerator Sensor 1 Unit
207
Inspect the Power Supply of the Accelerator Sensor 1
208
Inspect the Signal Circuit of the Accelerator Sensor 1
208
Inspect for Short-Circuit of the Accelerator Sensor 1 Harness
209
Inspect Disconnection of the Accelerator Sensor 1 Harness
210
Checklist: P2122 Ana P2123
212
DTC: P2127 and P2128
214
P2127: Accelerator Pedal Position Sensor 2 - out of Range (out of Range Low)
214
P2128: Accelerator Pedal Position Sensor 2 - out of Range (out of Range High)
216
Inspection Procedure: P2127 and P2128
217
Inspect the Accelerator Sensor Connector
217
Inspect the Accelerator Sensor
217
Inspect the Accelerator Sensor Unit
218
Inspect the Power Supply of the Accelerator Sensor
219
Inspect the Signal Circuit of the Accelerator Sensor
219
Inspect for Short-Circuit of the Accelerator Sensor Harness
220
Inspect Disconnection of the Accelerator Sensor Harness
221
Checklist: P2127 and P2128
223
Dtc: P2135
225
P2135: Intake Throttle Valve Position Sensor - Rationality
225
Inspection Procedure: P2135
227
Inspect the Intake Throttle Valve Position Sensor Connector
228
Inspect the Signal Wire Harness of the Diesel Throttle
228
Inspect the Engine ECU
229
Checklist: P2135
230
DTC: P2138 Accelerator Pedal Position Sensor - Rationality
232
Inspection Procedure: P2138
233
Inspect the Accelerator Sensor Signal
234
Checklist: P2138
236
DTC: P2146 Fuel Injector Driver Circuit 1 - Circuit (Circuit Open)
238
Inspection Procedure: P2146
240
Inspect the Injector Connector
240
Inspect the Injector Power Supply
240
Inspect the Injector Wire Harness Power Supply (Engine ECU - Injector Linked-Up Connector)
241
Inspect for Short-Circuit of the Injector Wire Harness (between Injector Linked-Up Connector and Injector Harness Connector)
241
Inspect the Injector Unit
242
Checklist: P2146
244
DTC: P2147 and P2148
246
P2147: Fuel Injector Driver Circuit 1 - Circuit (Circuit Low)
246
P2148: Fuel Injector Driver Circuit 1 - Circuit (Circuit High)
248
Inspection Procedure: P2147 and P2148
250
Inspect for Short-Circuit of the Injector Harness (Engine ECU - Injector Linked-Up Connector)
250
Inspect for Short-Circuit of the Injector Harness (between Injector Linked-Up Connector and Injector Harness Connector)
251
Inspect Disconnection of the Injector Harness
251
Checklist: P2147 and P2148
253
DTC: P2149 Fuel Injector Driver Circuit 2 - Circuit (Circuit Open)
255
Inspect the Injector Wire Harness Power Supply (Engine ECU -Injector Linked-Up Connector)
258
Checklist: P2149
261
DTC: P2150 and P2151
263
P2150: Fuel Injector Driver Circuit 2 - Circuit (Circuit Low)
263
P2151: Fuel Injector Driver Circuit 2 - Circuit (Circuit High)
265
Inspection Procedure: P2150 and P2151
267
Checklist: P2150 and P2151
270
DTC: P2184 and P2185
272
P2184: Engine Coolant Temperature Sensor 2 - out of Range (out of Range Low)
272
P2185: Engine Coolant Temperature Sensor 2 - out of Range (out of Range High)
274
Inspection Procedure: P2184 and P2185
276
Inspect the Engine Coolant Temperature Sensor 2 Connector
276
Inspect the Engine Coolant Temperature Sensor 2
276
Inspect the Engine Coolant Temperature Sensor 2 Unit
276
Inspect the Engine Coolant Temperature Sensor 2 Power Supply
277
Inspect for Short-Circuit of the Engine Coolant Temperature Sensor 2 Wire Harness
277
Inspect Disconnection of the Wire Harness of Engine Coolant Temperature Sensor 2
278
Checklist: P2184 and P2185
279
DTC: P2214: Nox Sensor (SCR Downstream) - Performance and Monitoring Capability
281
Inspection Procedure: P2214
283
Inspection of the DEF
283
Inspect the Air Flow Sensor Connector
284
Inspect the Exhaust Temperature Sensor (DOC Outlet) Connector
286
Inspect the Exhaust Gas Temperature Sensor (DOC Outlet)
286
Inspect the Ambient Air Temperature Sensor Connector
287
Inspect the Ambient Air Temperature Sensor Unit
288
Inspection of the DEF Injector (Hino-DX)
288
Checklist: P2214
290
DTC: P2227: Barometric Pressure Sensor - Rationality
295
Inspection Procedure: P2227
297
Inspect the Boost Pressure Sensor Connector
297
Inspect the Boost Pressure Sensor
297
Checklist: P2227
299
DTC: P2228 and P2229
300
P2228: Barometric Pressure Sensor - out of Range (out of Range Low)
300
P2229: Barometric Pressure Sensor - out of Range (out of Range High)
302
Inspection Procedure: P228 and P2229
303
Check the DTC Detected (Engine ECU) 1
303
Check the DTC Detected (Engine ECU) 2
303
Checklist: P2228 and P2229
304
DTC: P2269: Water in Fuel Condition
305
Inspection Procedure: P2269
306
Inspect the Fuel Filter
306
Inspect the Fuel Filter Water Level Sensor Connector
306
Inspect the Fuel Filter Water Level Sensor Unit
306
Inspect the Fuel Filter Water Level Sensor Power Supply
307
Inspect for Short-Circuit in Wire Harness of the Fuel Filter Water Level Sensor
307
Inspect for Disconnection in Wire Harness of the Fuel Filter Water Level Sensor
308
Checklist: P2269
309
DTC: P226C: Boost Pressure Slow Response
311
Inspection Procedure: P226C
313
Check the Response Delay of the VNT Controller (Hino-DX)
313
Check the Air Intake System
315
Check the Operation of the VNT Actuator (DC Motor) (Hino-DX)
316
Checklist: P226C
317
DTC: P22D3: Nozzle Stuck (VNT Stick Failure)
320
Inspection Procedure: P22D3
322
Checklist: P22D3
324
DTC: P240F: EGR Flow Slow Response
325
Inspection Procedure: P240F
328
Inspect the Intake Air Temperature Sensor (Intake Manifold) Connector
331
Inspect the Intake Air Temperature Sensor (Intake Manifold)
331
Check the Injector (Hino-DX)
332
Checklist: P240F
334
DTC: P242B: Exhaust Gas Temperature Sensor (DOC Inlet) - Rationality
338
P242B: Exhaust Gas Temperature Sensor (DOC Inlet) - Rationality
340
Inspection Procedure: P242B
342
Inspect the Exhaust Gas Temperature Sensor (DOC Inlet) Connector
342
Inspect the Exhaust Gas Temperature Sensor (DOC Inlet)
342
Inspect the Exhaust Gas Temperature Sensor (DOC Inlet) Unit
342
Inspect for Short-Circuit of the Exhaust Gas Temperature Sensor (DOC Inlet) Harness
343
Inspect Disconnection of the Exhaust Gas Temperature Sensor (DOC Inlet) Harness
344
Checklist: P242B
346
DTC: P242C and P242D: Exhaust Gas Temperature Sensor (DOC Inlet) - out of Range (out of Range Low)
348
P242D: Exhaust Gas Temperature Sensor (DOC Inlet) - out of Range (out of Range High)
350
Inspection Procedure: P242C and P242D
352
Checklist: P242C and P242D
356
DTC: P244A: Filtering Performance (Missing Substrate)
358
P244A: Filtering Performance (Missing Substrate)
360
Inspection Procedure: P244A
362
Check the DTC Detected (Engine ECU)
362
Check the Exhaust Gas Temperature Sensor (DOC Inlet) (Hino-DX)
362
Inspect the Differential Pressure Sensor Pipe
363
Inspect the Differential Pressure Sensor Hose
363
Inspect the DPR Filter
366
Inspect the Exhaust Gas Temperature Sensor (Burner Inlet) Connector
366
Inspect the Outside of the Exhaust Gas Temperature Sensor (Burner Inlet)
367
Inspect the Exhaust Gas Temperature Sensor (Burner Inlet) Unit
367
Check the Response of the EGR Valve
369
Check the Response Delay of the VNT Controller
370
Inspect the Diesel Throttle Valve
371
Inspect the SCV
371
SCV Free Acceleration Test
373
Test Method
373
Types of Hino-DX Data to be Measured
374
If the Following Symptoms Occur, FAIL. if Not, OK
374
Checklist: P244A
378
DTC: P244B: Incomplete Regeneration
384
Inspection Procedure (Sheet 1): P244B
387
Check the DPR Soot Accumulation Quantity
387
Check the DPR Filter
388
Inspect the Differential Pressure Sensor (Exhaust Gas Pressure Sensor) Unit
389
Perform an Engine Basic Inspection [Hino-DX]
391
Inspect the Air Flow Sensor (Hino-DX)
391
Inspect the Exhaust Gas Temperature Sensor (Burner Inlet)
392
Inspection Procedure (Sheet 2): P244B
395
Check the DTC Detected (BCU (Burner))
396
Check the Burner System 1 (Hino-DX)
396
Check Burner System 2 (Hino-DX)
397
Check Burner System 3 (Hino-DX)
397
Check Burner System 4 (Hino-DX)
398
Inspect DPR Manual Regeneration Switch (DPR Switch)
398
Inspect DPR Indicator Light
399
Inspect Accelerator Switch
400
Inspect PTO Signal
400
Inspect the External Accelerator Signal (Hino-DX)
401
Inspect Injector (Hino-DX)
402
Checklist (Sheet): P224B
403
Checklist (Sheet 2): P224B
407
DTC: P2457: EGR Cooler Performance
413
Inspection Procedure: P2457
415
Inspect the EGR Cooler Outlet Gas Temperature Sensor Connector
415
Inspect the EGR Cooler Outlet Gas Temperature Sensor
415
Inspect the EGR Cooler Outlet Gas Temperature Sensor Unit
415
Inspect the Coolant
416
Inspect the EGR Cooler 1
416
Inspect the EGR Cooler 2
416
Inspect the SCV (Hino-DX)
418
Checklist: P2457
426
DTC: P2459: Frequent Regeneration
430
Checklist: P2459
432
DTC: P2463: DPF Clogged
433
Inspection Procedure: P2463
435
Check the DTC Detected (Burner)
435
Burner System Check 1 (Hino-DX)
436
Burner System Check 2 (Hino-DX)
436
Burner System Check 3 (Hino-DX)
437
Burner System Check 4 (Hino-DX)
437
Inspect DPR Switch
438
Inspect the DPR Indicator Light
439
Inspect the Accelerator Switch
440
Inspect the PTO Switch
440
Check the External Accelerator Signal (Hino-DX)
441
Checklist: P2463
442
DTC: P246F: Exhaust Gas Temperature Sensor (DOC Outlet) - Rationality
447
P246F: Exhaust Gas Temperature Sensor (DOC Outlet) - Rationality
449
Inspection Procedure: P246F
451
Inspect for Short-Circuit of the Exhaust Gas Temperature Sensor (DOC Outlet) Harness
452
Inspect Disconnection of the Exhaust Gas Temperature Sensor (DOC Outlet) Harness
453
Checklist: P246F
455
DTC: P2470 and P2471
457
P2470: Exhaust Gas Temperature Sensor (DOC Outlet) - out of Range (out of Range Low)
457
P2471: Exhaust Gas Temperature Sensor (DOC Outlet) - out of Range (out of Range High)
459
Inspection Procedure: P2470 and P2471
461
Inspect the Exhaust Gas Temperature Sensor (DOC Outlet) Power Supply
462
Check Short-Circuit in Wire Harness of Exhaust Gas Temperature Sensor (DOC Outlet)
462
Check Disconnection in Wire Harness of Exhaust Gas Temperature Sensor (DOC Outlet)
463
Checklist: P2470 and P2471
465
DTC: P2563: Nozzle Position Sensor Failure Range (High Level) (VNT Actuator Position Sensor Performance Invalid)
467
Inspection Procedure: P2563
469
Check the Connector Connection (Hino-DX)
470
Inspect the VNT Actuator Harness
470
Replace the VNT Controller (Hino-DX)
471
Checklist: P2563
472
DTC: P2564 and P2565
474
P2564: Nozzle Position Sensor Failure Range (Low Level) (VNT Actuator Position Sensor Signal too Low)
474
P2565: Nozzle Position Sensor Failure Range (High Level) (VNT Actuator Position Sensor Signal too High)
476
Inspection Procedure: P2564 and P2565
478
Checklist: P2564 and P2565
481
DTC: P259E: Nozzle Operating Range Failure -NARROW (VNT Actuator Wiping Error (too Narrow Range))
483
Inspection Procedure: P259E
485
Check the Turbocharger External Appearance
486
Check the Operation of the VNT Controller (Hino-DX)
486
Check the Response Delay of the VNT Controller 2 (Hino-DX)
487
Checklist: P259E
488
DTC: P259F: Nozzle Operating Range Failure -WIDE (VNT Actuator Wiping Error (too Wide Range))
490
Inspection Procedure: P259F
492
Check Operation of VNT Controller (Hino-DX)
493
Checklist: P259F
495
DTC: P2635: Fuel Pump Low Flow/Performance
497
Inspection Procedure: P2635
499
Inspect the Start of the Engine
499
Inspect the Supply Pump
499
Function Check of Supply Pump (Hino-DX)
499
SCV Free Acceleration Test (Hino-DX)
500
Check the Engine ECU
500
Inspect the Fuel Pipe and Hose
501
Inspect the Fuel Tank Breather
502
Inspect the Fuel Tank Feed Pipe
502
Inspect the Fuel Tank
502
Inspect the Supply Pump Gauze Filter
502
Inspect the Fuel High-Pressure Pipe
503
Inspect the Bubble Separator
503
Inspect the SCV Connector
504
Inspect the Common Rail Pressure Sensor Power Supply
504
Inspect the Crankshaft Position Sensor (Engine Speed Main Sensor) (Hino-DX)
505
Inspect the Fuel Return Pipe and Hose
506
Check Again the Fuel Pipe
507
Check Again the Sensor System
508
Checklist: P2635
514
DTC: P268A and P2696
519
P268A: Fuel Injector Adjustment Data Error
519
P2696: Fuel Injector Adjustment Data Error
521
Inspection Procedure: P268A and P2696
523
Check the Injector Replace Record
523
Inspect the Injector Calibration Data (QR CODE) (Hino-DX)
523
Checklist: P268A and P2696
525
DTC: P2BA9: Insufficient Reagent Quality
526
Inspection Procedure: P2BA9
528
Inspect the DEF
528
Check the DEF Quality Sensor
529
Checklist: P2BA9
530
DTC: U0073: Engine ECU CAN Communication Bus for Emission Control System - Bus off
532
Inspection Procedure: U0073
534
Checklist: U0073
535
DTC: U010A: Engine ECU CAN Communication (EGR Valve Control)
536
DTC: U010C: VNT Actuator CAN Communication Error
539
DTC: U010E: Engine ECU CAN Communication (Denox ECU)
542
DTC: U029D: Engine ECU CAN Communication (Nox Sensor (SCR Upstream))
545
DTC: U029E: Engine ECU CAN Communication (Nox Sensor (SCR Downstream))
548
DTC: U02A2: Engine ECU CAN Communication (DEF Tank Sensor)
551
DTC: U0301: Software Incompatibility with Denox ECU
554
Inspection Procedure: U0301
556
Inspect the DCU (Hino-DX)
556
Checklist: U0301
557
DTC: U1001: Engine ECU CAN Communication Bus for Vehicle Control - Bus off
558
DTC: U110A: Engine ECU CAN Communication (Vehicle ECU)
561
DTC: U111E: Engine ECU CAN Communication (Burner ECU)
564
DEF SCR System (DCU) Contents
567
DEF SCR System
568
Precautions for Diagnosis
568
Illustration of Connector and Measurement on Terminal
569
Numbering of Connector Terminal
569
Precautions for Terminal Measurement
569
System Block Diagram
570
System Diagram
571
Sensor Location
572
Exhaust Gas after Treatment System
572
Computer (DCU) Wire Harness Connector PIN Assignment
574
Signal Check Harness
575
Inspection
575
Malfunction Indicator Light Status
575
Malfunction Indicator Light Illumination Pattern
576
Diagnosis Using the PC Diagnosis Tool
576
Diagnosis Tool
576
Connect the PC Diagnosis Tool
577
Diagnostic Trouble Code (DTC) Table
578
DTC: P0071 Ambient Air Temperature Sensor - Rationality
583
Inspection Procedure: P0071
585
Inspect the Connector of the External Resistor
585
Inspect the DCU 86P Connector
585
Inspect the Ambient Air Temperature Sensor
586
Inspect the External Resistor Unit
587
Inspect for Short-Circuit in the Ambient Air Temperature Sensor Harness
588
Inspect for Disconnections of the Ambient Air Temperature Sensor Harness
588
Inspect the Engine Coolant Temperature Sensor Connector
589
Inspect the Engine Coolant Temperature Sensor
589
Inspect the Engine Coolant Temperature Sensor Unit
590
Inspect the DEF Pump Temperature Sensor Connector
592
Check the DTC Detected (DCU)
592
Checklist: P0071
593
DTC: P0072 Ambient Air Temperature Sensor - out of Range (out of Range Low)
598
Inspection Procedure: P0072
600
Inspect for Disconnection in the Ambient Air Temperature Sensor Harness
603
Check the DTC Detected [DCU]
604
Checklist: P0072
605
DTC: P0073 Ambient Air Temperature Sensor - out of Range (out of Range High)
608
Inspection Procedure: P0073
610
Checklist: P0073
615
DTC: P0562 Sensor Supply Voltage - out of Range (out of Range Low)
618
Inspection Procedure: P0562
619
Inspect the DCU 53P Connector
619
Inspect the Voltage of the DCU Power Supply
619
Check the DTC Detected (DCU) (Hino-DX)
620
Checklist: P0562
621
DTC: P0563 Sensor Supply Voltage - out of Range (out of Range High)
622
Inspection Procedure: P0563
623
Inspect the Voltage of DCU Power Supply
623
Checklist: P0563
625
DTC: P060C Denox ECU Error
626
Inspection Procedure: P060C
627
Check the DTC Detected (DCU) [Hino-DX]
627
Checklist: P060C
628
DTC: P062F Controller Store Data Error
629
Inspection Procedure: P062F
630
Checklist: P062F
631
DTC: P0667 Denox ECU Temperature Sensor 1, 2 - Rationality
632
Inspection Procedure: P0667
633
Checklist: P0667
634
DTC: P0668 Denox ECU Temperature Sensor (out of Range Low)
635
Inspection Procedure: P0668
636
Checklist: P0668
637
DTC: P0669 Denox ECU Temperature Sensors - out of Range (out of Range High)
638
Inspection Procedure: P0669
639
Checklist: P0669
640
DTC: P068A Main Relay
641
Inspection Procedure: P068A
643
Inspect the DCU Power Supply Circuit
644
Inspect the DCU Harness
645
Checklist: P068A
647
DTC: P142A DEF Pump Temperature Sensor 1 - out of Range
649
Inspection Procedure: P142A
651
Inspect the DEF Pump Temperature Sensor Harness
651
Check the DTC Detected (DCU) 1 (Hino-DX)
652
Check the DTC Detected (DCU) 2
652
Checklist: P142A
653
DTC: P142B DEF Pump Temperature Sensor 1 - Rationality
654
Inspection Procedure: P142B
656
Inspect Disconnection of the Ambient Air Temperature Sensor Harness
658
Check the Operation of the Coolant Shutoff Valve (Hino-DX)
662
Inspect the Engine Coolant Lines and Hoses
662
Inspect the DEF Pump
663
Checklist: P142B
664
DTC: P202E Reductant Delivery Performance
669
Inspection Procedure: P202E
671
Inspect the DEF Pipe (Pressure Line) between the DEF Pump and the DEF Injector.
671
Inspect DEF Injector (1) (Hino-DX)
671
Inspect the DEF Injector (2) (Hino-DX)
672
Checklist: P202E
673
DTC: P203C DEF Tank Level Sensor - out of Range (out of Range Low)
676
Inspection Procedure: P203C
678
Checklist: P203C
679
DTC: P203D DEF Tank Level Sensor - out of Range (out of Range High)
680
Inspection Procedure: P203D
682
Checklist: P203D
683
DTC: P2044 DEF Tank Temperature Sensor - out of Range (out of Range Low)
684
Inspection Procedure: P2044
686
Checklist: P2044
687
DTC: P2045 DEF Tank Temperature Sensor - out of Range (out of Range High)
688
Inspection Procedure: P2045
690
Checklist: P2045
691
DTC: P2047 DEF Injector - Functional
692
Inspection Procedure: P2047
693
Checklist: P2047
694
DTC: P2048 DEF Injector - Disconnection (Disconnection (Low Side))
695
Inspection Procedure: P2048
696
Inspect for Short-Circuit in the DEF Injector Harness
696
Inspect the DEF Injector Unit
696
Inspect Disconnection of the DEF Injector Harness
697
Checklist: P2048
699
DTC: P2049 DEF Injector - Disconnection (Disconnection (High Side))
701
Inspection Procedure: P2049
703
Inspect the DEF Injector Connector
703
DTC the DTC Detected (DCU) (Hino-DX)
705
Checklist: P2049
706
DTC: P204B DEF Pressure Sensor - Rationality
708
Inspection Procedure: P204B
710
Checklist: P204B
711
DTC: P204C DEF Pressure Sensor - out of Range (out of Range Low)
712
Inspection Procedure: P204C
714
Inspect the DEF Pump Connector
714
Inspect the DEF Pump (Pressure Sensor) Unit
714
Check for Short-Circuit in Wire Harness of DEF Pump (Pressure Sensor)
715
Check for Disconnection in Wire Harness of DEF Pump (Pressure Sensor)
715
Checklist: P204C
717
DTC: P204D DEF Pressure Sensor - out of Range (out of Range High)
719
Inspection Procedure: P204D
721
Checklist: P204D
724
DTC: P205B DEF Tank Temperature Sensor - Rationality
726
Inspection Procedure: P205B
728
Inspect the DEF Tank Temperature Sensor Connector
728
Inspect the Ambient Air Temperature Sensor Harness
730
Inspect the External Resistor Connector Unit
731
Checklist: P205B
735
DTC: P205C DEF Tank Temperature Sensor - out of Range (out of Range Low)
739
Inspection Procedure: P205C
741
Checklist: P205C
742
DTC: P205D DEF Tank Temperature Sensor - out of Range (out of Range High)
743
Inspection Procedure: P205D
745
Checklist: P205D
746
DTC: P206A Reductant Quality Sensor - Malfunction
747
Inspection Procedure: P206A
749
Checklist: P206A
750
DTC: P208A DEF Pump Motor - Circuit (Open Load)
751
Inspection Procedure: P208A
753
Inspect the DEF Pump Harness
754
Checklist: P208A
755
DTC: P208B DEF Pump Motor - Functional
756
Inspection Procedure: P208B
757
Inspection of the DEF Pump Pressure (Hino-DX)
757
Checklist: P208B
758
DTC: P208C DEF Pump Motor - Circuit (Circuit Low)
759
Inspection Procedure: P208C
760
Check the DEF Pump Wire Harness
761
Checklist: P208C
762
DTC: P208D DEF Pump Motor - Circuit (Circuit High)
763
Inspection Procedure: P208D
764
Checklist: P208D
766
DTC: P20A0 Reverting Valve for DEF Pump - Circuit (Open Load)
767
Inspection Procedure: P20A0
769
Inspect the DEF Pump (Reverting Valve) Connector
769
Inspect the DEF Pump (Reverting Valve) Unit
769
Inspect for Short-Circuit in the DEF Pump (Reverting Valve) Harness
770
Inspect Disconnection of the DEF Pump (Reverting Valve) Harness
770
Checklist: P20A0
772
DTC: P20A1 Reverting Valve for DEF Pump Stuck Close
774
Inspection Procedure: P20A1
775
Check the Operation of the DEF Pump (Reverting Valve) (Hino-DX)
775
Inspect the DEF Pump (Reverting Valve) (Hino-DX)
775
Checklist: P20A1
777
DTC: P20A2 Reverting Valve for DEF Pump - Circuit (Circuit Low)
778
Inspection Procedure: P20A2
780
Checklist: P20A2
783
DTC: P20A3 Reverting Valve for DEF Pump - Circuit (Circuit High)
785
Inspection Procedure: P20A3
786
Checklist: P20A3
789
DTC: P20B1 DEF Tank Heater Valve - Circuit (Open Load)
791
Inspection Procedure: P20B1
792
Inspect the Coolant Cut off Valve (DEF Tank Heater Valve) Connector
792
Check the Coolant Cut off Valve (DEF Tank Heater Valve) Unit
792
Check for Short-Circuit in the Coolant Cut off Valve (DEF Tank Heater Valve) Wire Harness
793
Check for Disconnection in the Coolant Cut off Valve (DEF Tank Heater Valve) Wire Harness
793
Checklist: P20B1
795
DTC: P20B2 DEF Tank Heater Valve Stuck
797
Inspection Procedure: P20B2
799
Inspect the Engine Coolant System (Pipes or Hoses)
800
Coolant Cut off Valve (DEF Tank Heater Valve) Actuation Test (Hino-DX)
802
Inspect the Engine Coolant Temperature (Hino-DX)
802
Inspect the Coolant Cut off Valve (DEF Tank Heater Valve) Unit
803
Inspect the Coolant Cut off Valve (DEF Tank Heater Valve)
803
Inspect the DEF Sensor
804
Replace the DEF Tank Temperature Sensor
805
Checklist: P20B2
806
DTC: P20B3 DEF Tank Heater Valve - Circuit (Circuit Low)
809
Inspection Procedure: P20B3
810
Inspect the Coolant Cut off Valve Connector
810
Inspect the Coolant Cut off Valve Unit
810
Check for Short-Circuit in the Coolant Cut off Valve Wire Harness
811
Check for Disconnection in the Coolant Cut off Valve Wire Harness
811
Checklist: P20B3
813
DTC: P20B4 DEF Tank Heater Valve - Circuit (Circuit High)
815
Inspection Procedure: P20B4
816
Check the Coolant Cut off Valve Unit
816
Checklist: P20B4
819
DTC: P20E8 Suction Line Pressure Build up Check
821
Inspection Procedure: P20E8
823
Inspect the DEF Quantity
823
Inspect the DEF Tank Filter Cap
823
Inspect the DEF Pipe
824
Leak Test of the DEF Pipe (Hino-DX)
825
Inspect the DEF Pressure 1 (Inspection of the DEF Hose) (Hino-DX)
826
Inspection of the DEF Pressure 2 (Inspection of the DEF Tank/Sensor) (Hino-DX)
827
Inspection of the DEF Pressure 3 (Inspection of the DEF Pump) (Hino-DX)
828
Checklist: P20E8
829
DTC: P20E9 Back Flow Line Check
832
Inspection Procedure: P20E9
834
Inspect the Leak of the DEF Pipe (Hino-DX)
834
Inspect the DEF Pressure 2 (Inspection of the DEF Sensor) (Hino-DX)
836
Inspect the DEF Pressure 2 (Inspection of the DEF Pump) (Hino-DX)
837
Checklist: P20E9
838
DTC: P20F4 DEF Consumption Failure
840
Inspection Procedure: P20F4
842
Inspect the DEF Pipe (Pump Injector)
842
Inspect DEF Injector 1 (Hino-DX)
842
Checklist: P20F4
844
DTC: P2201 Nox Sensor (SCR Upstream) - Performance and Monitoring Capability
847
Inspection Procedure: P2201
849
Inspect the Nox Sensor 1 (SCR Upstream)
850
Check the Coolant Temperature Sensor Output Signal (Hino-DX)
852
Check the Boost Pressure Sensor Output Signal (Hino-DX)
855
Inspect the Intake Manifold Temperature Sensor
855
Inspect the Intake Manifold Temperature Sensor Unit
856
Inspect the Nox Sensor 1 (Hino-DX)
856
Checklist: P2201
857
DTC: P2202 Nox Sensor (SCR Upstream) and Heater - Circuit (Circuit Open)
860
Inspection Procedure: P2202
862
Checklist: P2202
863
DTC: P2203 Nox Sensor (SCR Upstream) and Heater - Circuit (Circuit Short)
864
Inspection Procedure: P2203
866
Checklist: P2203
867
DTC: P2204 Nox Sensor (SCR Upstream) - Feedback
868
Inspection Procedure: P2204
870
Inspect the Nox Sensor 1 (SCR Upstream) (Hino-DX)
870
Check the Engine Coolant Temperature Sensor Output Signal (Hino-DX)
871
Inspect the Boost Pressure Sensor Output Signal (Hino-DX)
873
Inspection of the Nox Sensor 1 (Hino-DX)
874
Checklist: P2204
875
DTC: P2209 Nox Sensor (SCR Upstream) - Heater Performance
878
Inspection Procedure: P2209
880
Inspect the Nox Sensor 1 (SCR Upstream) Connector
880
Inspect the Nox Sensor 1 Harness (CAN Communication Line)
880
Inspect the Nox Sensor 1 Harness (GND Line)
881
Inspect the Nox Sensor 1 Harness (Power Supply Line)
881
Checklist: P2209
886
DTC: P2212 Nox Sensor (SCR Downstream) - Feedback
889
Inspection Procedure: P2212
891
Inspect the Nox Sensor 2 (SCR Downstream) (Hino-DX)
891
Inspection of the Nox Sensor 2 (Hino-DX)
896
Checklist: P2212
897
DTC: P2215 Nox Sensor (SCR Downstream) and Heater - Circuit (Circuit Open)
900
Inspection Procedure: P2215
902
Checklist: P2215
903
DTC: P2216 Nox Sensor (SCR Downstream) and Heater - Circuit (Circuit Short)
904
Inspection Procedure: P2216
906
Checklist: P2216
907
DTC: P2222 Nox Sensor (SCR Downstream) - Heater Performance
908
Inspection Procedure: P2222
910
Inspect the Nox Sensor 2 (SCR Downstream) Connector
910
Inspect the Nox Sensor 2 Harness (CAN Communication Line)
910
Inspect the Nox Sensor 2 Harness (GND Line)
911
Inspect the Nox Sensor 2 Harness (Power Supply Line)
911
Inspect Exhaust Gas Temperature Sensor (SCR Inlet) Connector
912
Check the Nox Sensor 2 (Hino-DX)
915
Checklist: P2222
916
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