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Senova X25 2015
BAIC Senova X25 2015 Manuals
Manuals and User Guides for BAIC Senova X25 2015. We have
1
BAIC Senova X25 2015 manual available for free PDF download: Maintenance Manual
BAIC Senova X25 2015 Maintenance Manual (449 pages)
Engine
Brand:
BAIC
| Category:
Automobile
| Size: 16 MB
Table of Contents
Table of Contents
5
Engine Assembly
11
System Overview
11
Check and Diagnosis
12
Engine Service Precautions
12
Common Fault Checking and Eliminating
14
Engine Starts Abnormally
14
Engine Idle Speed Abnormal
15
Poor Engine Acceleration and Power Reduction
16
Regular Tests
18
Oil Pressure Switch
18
Cylinder Pressure Test
21
Fuel Pressure Test
22
Technical Parameters
24
Powertrain Units
26
Removal and Installation of Powertrain Assembly Components
26
Removal and Installation of Engine Assembly
45
Engine Assembly: Disassembly
53
Engine Structure
68
Cylinder Head Component
68
Overview on Cylinder Head Assembly
68
Disassembly of the Cylinder Head Component
69
Cylinder Head Cleaning
73
Cylinder Head Check
74
Check on Cylinder Head Bolt
75
Valve Mechanism
76
Valve Cleaning
76
Check Valve Clearance
77
Check on Valve Seat
79
Check on Valve Duct
79
Check on Valve Spring
80
Check the Valve Tappet
80
Check on Valve Tightness
81
Check Camshaft Dimensions
83
Cylinder Block Component
84
Overview on Cylinder Block Component
84
Cylinder Block Component: Disassembly
85
Check on Cylinder Block
88
Cylinder-Boring
89
Check Oil Clearance of the Crankshaft Bearing
90
Check Thrust Bearing of the Crankshaft
91
Check on Crankshaft Pin Oil Film
91
Crankshaft Bearing
92
Assembly of Crankshaft Upper Bearing
92
Assembly of Crankshaft Lower Bearing
94
Piston and Connecting Rod Components
95
Overview on Piston and Connecting Rod Components
95
Disassembly of Piston Connecting Rod Components
96
Check on Piston Ring
98
Check on Side Clearance at Connecting Rod's Bigger End
99
Check on Connecting Rod Bolt
99
Powertrain Mounting Components
100
Removal and Installation of Engine Mounting Cushion
100
Removal and Installation of Transmission Mounting Cushion
102
Removal and Installation of the Rear Mounting Cushion
106
Belt
107
Overview on Accessory Transmission
107
Removal and Installation of the Belt
108
Check the Belt Tension
109
Cylinder Head and Timing Device
110
Overview
110
Check and Diagnosis
111
Common Fault Checking and Eliminating
111
Abnormal Noise of Valve Mechanism
111
Timing Mechanism: Noise
111
Technical Parameters
113
Cylinder Head Cover
114
Overview on Cylinder Head Cover
114
Removal and Installation of Cylinder Head Cover
114
Removal and Installation of Intake and Exhaust Camshafts
118
Removal and Installation of the Cylinder Head
121
Timing Device
122
Overview on Timing Device
122
Removal and Installation of Timing Chain Housing
124
Removal and Installation of Timing Chain
127
Removal and Installation of Exhaust Camshaft Timing Sprocket
133
Removal and Installation of V.V.T Sprocket
135
Chain Tensioner
137
Removal and Installation of Chain Tensioner
137
Crankshaft, Link Mechanism
138
Overview
138
Check and Diagnosis
139
Common Fault Checking and Eliminating
139
Crankshaft and Link Mechanism Noise
139
Cylinder Pressure too Low
140
Technical Parameters
142
Removal and Installation of Cylinder Block
143
Removal and Installation of Piston and Connecting Rod Components
147
Removal and Installation of Crankshaft
150
Air Intake/Exhaust System
153
Overview
153
Check and Diagnosis
154
Common Fault Checking and Eliminating
154
Air Intake Backfire
154
Exhaust Noise
154
Technical Parameters
156
Air Intake System
157
Removal and Installation of the Air Filter Assembly
157
Air Intake Manifold
158
Removal and Installation of Intake Manifold
158
Detection of the Intake Manifold
160
Air Intake/Exhaust System
162
Intake/Exhaust Manifold
162
Removal and Installation of Exhaust Manifold
162
Check on Exhaust Manifold
164
Exhaust Pipe
165
Removal and Installation of Catalytic Converter Assembly
165
Removal and Installation of the Auxiliary Silencer
168
Removal and Installation of the Main Silencer Assembly
169
Check and Adjustment of Exhaust System
170
Lubrication System
171
Overview
171
Check and Diagnosis
172
Common Fault Checking and Eliminating
172
Low Oil Pressure
172
Exceptional Engine Oil Consumption
173
Technical Parameters
174
Removal and Installation of Oil Filter Seat
175
Oil Pressure Switch
176
Removal and Installation of the Oil Pressure Switch
176
Check on Engine Oil Pressure Switch
178
Removal and Installation of Oil Pump
179
Removal and Installation of Oil Pan
180
Removal and Installation of Oil Strainer
182
Removal and Installation of the Oil Level Gauge Conduit Assembly
183
Removal and Installation of Crankshaft Front Oil Seal
184
Removal and Installation of Crankshaft Rear Oil Seal Cover
186
Cooling System
190
Overview
190
Check and Diagnosis
191
Common Fault Checking and Eliminating
191
Engine Water Temperature Is High
191
Engine Water Temperature Is Low
191
Technical Parameters
193
Cooling System Piping Diagram
194
Thermostat
195
How It Works
195
Removal and Installation of Thermostat
196
Check on Thermostat
197
Radiator
199
Removal and Installation of the Radiator
199
Cleaning and Checking Radiator
201
Removal and Installation of Auxiliary Radiator
202
Water Pump
204
Removal and Installation of Water Pump
204
Check the Water Pump
206
Removal and Installation of Electronic Fan Assembly
207
Electronic Control System
209
Overview
209
System Overview
209
Electronic Control System I/O Signals
211
Introduction to System Functions
212
Starter Control
212
Engine Warming-Up and Heating Control of Three-Way Catalytic Converter
212
Acceleration/Deceleration and Fuel Stoppage Control for Reverse Towing
212
Idle Speed Control
213
Closed-Loop Control
213
Evaporation Emission Control
213
Knock Control
213
Control
213
DTC Diagnostic Trouble Code
215
List of Engine DTC Faults
215
P210612 Power Drive Level Fault of Electronic Throttle
219
P210613 Power Drive Level Fault of Electronic Throttle
219
(Open) P210629 Load Monitoring Fault
221
P011216 Signal Circuit of Intake Air Temperature Sensor Undervoltage P011317 Signal Circuit of Intake Air Temperature Sensor Overvoltage P011629 Signal of Intake Air Temperature Sensor Unreasonable
226
P011716 Engine Coolant Temperature Sensor Circuit Undervoltage P011817 Engine Coolant Temperature Sensor Circuit Overvoltage
230
P032716 Knock Sensor Signal Circuit Voltage Is too Low
233
P034100 Phase Sensor Signal Is Implausible
236
P048014 Control Circuit Fault of Cooling Fan Relay
240
Short to Power Supply (High Speed)
240
P032200 Vehicle Speed Sensor Signal Fault
244
P070400 Fault of Clutch Pedal Switch Voltage
247
P000A26 Operating Fault of Intake VVT (Delay)
250
P001013 Fault of VVT Intake Control Valve Circuit
250
(Short)
250
P001621 Deviation of Relative Position between Crankshaft and Intake Camshaft Lower than the Minimum
254
Unreasonable
254
P066013 Variable Intake Manifold Solenoid Valve
256
Manifold Solenoid Valve Circuit Short to Power Supply
256
P05711C Brake Signal Unreasonable P057129 Brake Signal Unreasonable
258
P012129 Electronic Throttle Position Sensor 1 Signal
263
Throttle Position Sensor 1 Signal Circuit Overvoltage
263
Function (ECU EEPROM Fault) P060600 Fault of
263
Electronic Throttle Security Monitoring Function
263
Fault of Electronic Throttle Security Monitoring Function
263
(Monitoring Model Inquiry Fault) P060655 Fault of
263
Throttle Security Monitoring
263
Monitoring Function
264
P212216 Electronic Accelerator Pedal Position
274
Electronic Accelerator Pedal Position Sensor Signal
274
Position Sensor Signal Unreasonable
274
P044413 Control Circuit Fault of Carbon Canister Control Valve P045816 Control Circuit of Carbon Canister Control Valve Undervoltage P045917 Control Circuit of Carbon Canister Control Valve Overvoltage
280
P003013 Heating Control Circuit Fault of Upstream
283
Control Circuit of Upstream Oxygen Sensor Overvoltage
283
Oxygen Sensor Unreasonable
283
Of Downstream Oxygen Sensor Unreasonable
288
Aging-Signal Constantly Thin
292
Constantly Thick
298
P020113 Control Circuit Fault of First Cylinder Fuel Injector P026111 Control Circuit of First Cylinder Fuel Injector Undervoltage P026212 Control Circuit of First Cylinder Fuel Injector Overvoltage
302
P020213 Control Circuit Fault of Second Cylinder Fuel Injector P026411 Control Circuit of Second Cylinder Fuel Injector Undervoltage P026512 Control Circuit of Second Cylinder Fuel Injector Overvoltage
306
P020313 Control Circuit Fault of Third Cylinder Fuel Injector P026711 Control Circuit of Third Cylinder Fuel Injector Undervoltage P026812 Control Circuit of Third Cylinder Fuel Injector Overvoltage
310
P020413 Control Circuit Fault of Fourth Cylinder Fuel Injector P027011 Control Circuit of Fourth Cylinder Fuel Injector Undervoltage P027112 Control Circuit of Fourth Cylinder Fuel Injector Overvoltage
314
P030021 Occurrence of Several Cylinder Fire
318
The First Statistic Cycle of Fire Detection
318
Detection
321
P021900 Engine Speed Higher than the Maximum Speed Limit P050600 Idle Control Speed Lower than Target Idle Speed P050700 Idle Control Speed Higher than Target Idle Speed
326
P056000 System Battery Voltage Signal
328
Generator Load Feedback Signal Undervoltage P062212
328
Generator Load Feedback Signal Overvoltage
328
P062713 Control Circuit Fault of Oil Pump Relay P062811 Oil Pump Relay Control Circuit Short to Ground or Open P062912 Oil Pump Relay Control Circuit Overvoltage
330
P068800 Main Relay Output Voltage Unreasonable P068816 Fault of Main Relay Output Voltage Signal
335
P064513 Control Circuit Fault of A/C Compressor Relay P064611 Control Circuit of A/C Compressor Relay Short to Ground P064712 Control Circuit of A/C Compressor Relay Overvoltage
338
Air-Fuel Ratio
343
Closed-Loop Control Self-Learning Value Lower than the
343
Lower Limit (Low Load Zone)
343
P210612 Power Drive Level Fault of Electronic
346
Power Drive Level Fault of Electronic Throttle
346
Throttle (Open) P2106 29 Load Monitoring Fault
346
P305400 Engine Stalling or Starter and Flywheel Not
348
Interrupted
348
P061513 Starter Control Relay Open P061611 Starter Control Relay Undervoltage P061712 Starter Control Relay Overvoltage
353
U012287 Loss of Communication with Brake Control Unit ABS/ESP U000188 CAN Communication Related Diagnosis U014087 Loss of Communication with Body Control Module BCM
356
P161000 ECM Not Learning Secretkey P161100 PIN Code Input Error P161200 ECM Not Receiving IMMO P161300 the Last IMMO Certification Is Responded Busy
359
P042000 Three Way Catalytic Converter Capacity Aging (Drain over Limit)
361
P060443 Electronic Control Unit RAM Fault P060543 Electronic Control Unit ROM Fault
362
P168300 Airbag Signal Unreasonable P152381 Airbag Exploded
363
System: Basic Control Logic
365
Ignition Switch: Control Logic
365
Fuel Supply System: Control Logic
366
Ignition: Control Logic
368
Idling: Control Logic
370
Knock: Control Logic
371
Air-Conditioning: Control Logic
372
Canister Solenoid Valve: Control Logic
372
Three-Way Catalytic Converter Protection: Control Logic
373
Electronic Fan : Control Logic
373
Mileage Count: Logic
373
Parts & Components
374
Engine Control Module (ECM)
374
Overview
374
Removal and Installation of Engine Control Module (ECM)
374
Crankshaft Position Sensor
376
Overview
376
Removal and Installation of the Crankshaft Position Sensor
376
Check the Crankshaft Position Sensor
378
Intake Manifold Absolute Pressure Sensor
379
Overview
379
Removal and Installation of the Intake Manifold Pressure and Temperature Sensor
380
Check on Air Intake Temperature Pressure Sensor
381
Camshaft Position Sensor
382
Overview
382
Removal and Installation of the Camshaft Position Sensor
383
Check the Camshaft Position Sensor
384
Coolant Temperature Sensor
385
Overview
385
Removal and Installation of Coolant Temperature Sensor
386
Check on Coolant Temperature Sensor
386
Knock Sensor
388
Overview
388
Removal and Installation of Knock Sensor
388
Check on Knock Sensor
389
Oxygen Sensor
391
Overview
391
Removal and Installation of Front Oxygen Sensor
393
Removal and Installation of Rear Oxygen Sensor
395
Check on Oxygen Sensor
396
Engine Oil Control Valve
398
Overview
398
Removal and Installation of V.V.T Valve
398
Throttle Control System
400
Overview
400
Removal and Installation of Electronic Throttle Body Assembly
401
Removal and Installation of Electronic Accelerator Pedal Assembly
403
Emission Control System
404
Overview
404
Crankcase Ventilating Oil-Gas Separating System395
405
Overview on Crankcase Ventilating Oil-Gas Separating System
405
Removal and Installation of PCV Valve
405
Check on PCV Valve
407
Fuel Evaporation Control System
408
Overview
408
Overview on Fuel Evaporation Pipeline
409
Removal and Installation of Carbon Canister
410
Removal and Installation of Canister Solenoid Valve
410
Check on Canister Solenoid Valve
411
Fuel Supply System
413
Overview
413
Instructions for Safe Operation
413
Cleaning Basics
415
Check and Diagnosis
416
Common Fault Checking and Eliminating
416
Fuel Pressure Is too Low
416
Excessive Fuel Consumption
416
Technical Parameters
418
Fuel Pressure Release
419
Removal and Installation of Filler Pipe Assembly
420
Fuel Tank
422
Draining of Fuel Tank
422
Removal and Installation of Fuel Tank
423
Removal and Installation of the Fuel Pump Assembly
427
Removal and Installation of Fuel Filter
429
Overview of the Fuel Pipeline
430
Fuel Rail and Injector Assembly
431
Overview
431
Removal and Installation of Fuel Distribution Pipe and Fuel Injector Assembly
432
Disassembly of Fuel Distribution Pipe and Fuel Injector Assembly
434
Check on Fuel Injector
435
Charging, Starting and Ignition System
436
Overview
436
Check and Diagnosis
437
Common Fault Checking and Eliminating
437
Generator Output Fault
437
Abnormal Operation of Starter
437
Spark Plug: Spark Failure
438
Technical Parameters
440
Charging System
441
Removal and Installation of Engine Assembly
441
Check on Generator
443
Starter System
444
Removal and Installation of Starter Assembly
444
Check on Starter Assembly
444
Ignition System
446
Ignition Coil
446
Overview
446
Removal and Installation of Ignition Coil
446
Check on Ignition Coil
447
Spark Plug
449
Removal and Installation of Spark Plug
449
Check on Spark Plug
449
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