EC-14
BASIC INSPECTION : Special Repair Require-
ment (TEST 1: Low Pressure Fuel Supply System
Check) .................................................................
1043
BASIC INSPECTION : Special Repair Require-
ment (TEST 2: Internal Fuel Transfer Pump
Check) .................................................................
1044
BASIC INSPECTION : Special Repair Require-
ment [TEST 3: High Pressure Supply Pump (Pres-
sure Control Valve) Check] ..................................
1044
BASIC INSPECTION : Special Repair Require-
ment [TEST 4: High Pressure Supply Pump (Vol-
umetric Control Valve) Check] .............................
1045
BASIC INSPECTION : Special Repair Require-
ment (TEST 5: Rail High Pressure Regulation
Check) .................................................................
1048
BASIC INSPECTION : Special Repair Require-
ment (TEST 6: Major Leak in Fuel Injectors/Fuel
Injectors Open) ....................................................
1052
BASIC INSPECTION : Special Repair Require-
ment (TEST 7: Incorrect Fuel Injection Quantity)
1053
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT .....................................................
1054
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Description .............................
1054
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement ..
1054
EGR VOLUME CONTROL VALVE CLOSED POSI-
TION LEARNING ...................................................
1055
EGR VOLUME CONTROL VALVE CLOSED PO-
SITION LEARNING : Description ........................
1055
EGR VOLUME CONTROL VALVE CLOSED PO-
SITION LEARNING : Special Repair Requirement
1055
FUNCTION DIAGNOSIS ..........................1057
ENGINE CONTROL SYSTEM ........................1057
System Diagram ..................................................1057
System Description ..............................................1058
Component Parts Location ..................................1058
Component Description .......................................1062
FUEL INJECTION CONTROL ........................1063
System Description ..............................................1063
Component Parts Location ..................................1065
TURBOCHARGER BOOST CONTROL .........1070
Vacuum Hose Drawing ........................................1070
System Description ..............................................1070
Component Parts Location ..................................1071
EGR SYSTEM .................................................1076
System Description ..............................................1076
Component Parts Location ..................................1076
IDLE SPEED CONTROL ................................1081
System Diagram ..................................................1081
System Description ..............................................1081
Component Parts Location ..................................1082
ENGINE TORQUE CONTROL .......................1087
System Description ..............................................1087
Component Parts Location ..................................1087
GLOW CONTROL ..........................................1092
System Description ..............................................1092
Component Parts Location ..................................1092
COOLING FAN CONTROL ............................1097
System Description ..............................................1097
Component Parts Location ..................................1098
CAN COMMUNICATION ................................1103
System Description ..............................................1103
ON BOARD DIAGNOSTIC (OBD) SYSTEM ..1104
Diagnosis Description ..........................................1104
COMPONENT DIAGNOSIS .....................1106
POWER SUPPLY AND GROUND CIRCUIT ..1106
Diagnosis Procedure ............................................1106
P0001 FUEL PUMP ........................................1109
DTC Logic ............................................................1109
Diagnosis Procedure ............................................1109
Component Inspection .........................................1110
P0002 FUEL PUMP ........................................1111
DTC Logic ............................................................1111
Diagnosis Procedure ............................................1111
Component Inspection .........................................1112
P0016 CKP - CMP CORRELATION ...............1113
DTC Logic ............................................................1113
Diagnosis Procedure ............................................1113
Component Inspection .........................................1114
P0045 TC BOOST CONTROL SOLENOID
VALVE ............................................................
1116
DTC Logic ............................................................1116
Diagnosis Procedure ............................................1116
Component Inspection .........................................1117
P0069 TC BOOST SENSOR, BARO SENSOR
CORRELATION ..............................................
1118
DTC Logic ............................................................1118
Diagnosis Procedure ............................................1118
Component Inspection .........................................1119
P0087 FUEL PUMP ........................................1120
DTC Logic ............................................................1120
Diagnosis Procedure ............................................1120
P0090 FUEL PUMP ........................................1122
DTC Logic ............................................................1122
Diagnosis Procedure ............................................1122
Component Inspection .........................................1123
P0100 MAF SENSOR .....................................1124
Description ...........................................................1124
DTC Logic ............................................................1124
EC-16
P0606 ECM .....................................................1178
Description ...........................................................1178
DTC Logic ............................................................1178
Diagnosis Procedure ...........................................1178
P0641 SENSOR POWER SUPPLY ................1180
DTC Logic ............................................................1180
Diagnosis Procedure ...........................................1180
P0651 SENSOR POWER SUPPLY ................1182
DTC Logic ............................................................1182
Diagnosis Procedure ...........................................1182
P0685 ECM RELAY ........................................1184
DTC Logic ............................................................1184
Diagnosis Procedure ...........................................1184
P1089 FUEL PUMP ........................................1186
DTC Logic ............................................................1186
Diagnosis Procedure ...........................................1186
P2101 ELECTRIC THROTTLE CONTROL
FUNCTION ......................................................
1188
Description ...........................................................1188
DTC Logic ............................................................1188
Diagnosis Procedure ...........................................1188
Component Inspection .........................................1189
P2120 APP SENSOR .....................................1191
Description ...........................................................1191
DTC Logic ............................................................1191
Diagnosis Procedure ...........................................1191
Component Inspection .........................................1193
P2226 BARO SENSOR ..................................1194
Description ...........................................................1194
DTC Logic ............................................................1194
Diagnosis Procedure ...........................................1194
P2263 TC SYSTEM ........................................1195
DTC Logic ............................................................1195
Diagnosis Procedure ...........................................1195
P2299 ACCELERATOR/BRAKE PEDAL PO-
SITION INCONSISTENCY ..............................
1198
DTC Logic ............................................................1198
Diagnosis Procedure ...........................................1198
P2413 EGR SYSTEM .....................................1202
DTC Logic ............................................................1202
Diagnosis Procedure ...........................................1202
Component Inspection .........................................1204
P2502 BATTERY VOLTAGE ..........................1205
DTC Logic ............................................................1205
Diagnosis Procedure ...........................................1205
P2610 ENGINE SAFETY STOP .....................1206
DTC Logic ............................................................1206
Diagnosis Procedure ...........................................1206
ASCD CLUTCH SWITCH ...............................1208
Description ...........................................................1208
Component Function Check ................................1208
Diagnosis Procedure ............................................1208
Component Inspection .........................................1209
ASCD INDICATOR .........................................1210
Description ...........................................................1210
Component Function Check ................................1210
Diagnosis Procedure ............................................1210
COOLING FAN ...............................................1211
Description ...........................................................1211
Component Function Check ................................1211
Diagnosis Procedure ............................................1211
Component Inspection .........................................1212
STOP LAMP SWITCH ....................................1214
Description ...........................................................1214
Component Function Check ................................1214
Diagnosis Procedure ............................................1214
Component Inspection .........................................1215
ECU DIAGNOSIS .....................................1216
ECM ................................................................1216
Reference Value ..................................................1216
Conformity Check ................................................1223
Wiring Diagram - ENGINE CONTROL SYSTEM - 1236
DTC Index ............................................................1252
SYMPTOM DIAGNOSIS ..........................1255
ENGINE CONTROL SYSTEM SYMPTOMS ..1255
Symptom Table ....................................................1255
NOT COMMUNICATION WITH THE ECM .....1256
Description ...........................................................1256
Diagnosis Procedure ............................................1256
ENGINE DOES NOT START OR STARTS
WITH DIFFICULTY .........................................
1257
Description ...........................................................1257
Diagnosis Procedure ............................................1257
STARTING DIFFICULT WITH COLD ENGINE 1259
Description ...........................................................1259
Diagnosis Procedure ............................................1259
IMPOSSIBLE TO SHUT OFF ENGINE ..........1261
Description ...........................................................1261
Diagnosis Procedure ............................................1261
ENGINE IDLE SPEED TOO HIGH .................1262
Description ...........................................................1262
Diagnosis Procedure ............................................1262
ENGINE IDLE SPEED TOO LOW OR UNSTA-
BLE .................................................................
1263
Description ...........................................................1263
Diagnosis Procedure ............................................1263
ENGINE STALLING .......................................1265
ENGINE CONTROL SYSTEM
EC-31
< FUNCTION DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
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System DescriptionINFOID:0000000001161139
ECM performs various controls such as fuel injection control and ignition timing control.
Component Parts LocationINFOID:0000000001161140
1. Ignition coil (with power transistor)
and spark plug2. Intake valve timing control solenoid
valve3. Refrigerant pressure sensor
4. Knock sensor 5. Fuel injector 6. Cooling fan motor
7. Camshaft position sensor (PHASE) 8. IPDM E/R 9. ECM
10. Mass air flow sensor (with intake air
temperature sensor)11. Engine coolant temperature sensor 12. Electric throttle control actuator
(with built in throttle position sensor
and throttle control motor)
13. EVAP canister purge volume control
solenoid valve
PBIB2939E
ENGINE CONTROL SYSTEM
EC-35
< FUNCTION DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
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1. Cooling fan motor harness connec-
tor2. Crankshaft position sensor 3. Stop lamp switch
4. Brake pedal 5. Accelerator pedal position sensor
harness connector6. Accelerator pedal position sensor
7. Accelerator pedal 8. Fuel level sensor unit and fuel pump
harness connector (view with in-
spection hole cover removed)9. Fuel pressure regulator
10. Fuel pump
AWBIA0044ZZ
EC-36
< FUNCTION DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
ENGINE CONTROL SYSTEM
Component Description
INFOID:0000000001161141
1. ASCD steering switch 2. MAIN switch 3. CANCEL switch
4. SET/COAST switch 5. RESUME/ACCELERATE switch 6. ASCD brake switch
7. Stop lamp switch 8. ASCD clutch switch 9. Clutch pedal
ALBIA0273ZZ
Component Reference
Accelerator pedal position sensorEC-286, "
Description"
ASCD brake switchEC-270, "Description"
ASCD steering switchEC-267, "Description"
ASCD vehicle speed sensorEC-278, "Description"
Camshaft position sensor (PHASE)EC-201, "Description"
Crankshaft position sensor (POS)EC-197, "Description"
Cooling fan motorEC-307, "Description"
Electric throttle control actuatorEC-222, "Description"
Engine coolant temperature sensorEC-142, "Description"
Fuel injectorEC-313, "Description"
Fuel pumpEC-316, "Description"
Heated oxygen sensor 1EC-148, "Description"
Heated oxygen sensor 1 heaterEC-163, "Description"
Heated oxygen sensor 2EC-166, "Description"
Heated oxygen sensor 2 heaterEC-176, "Description"
Ignition signalEC-319, "Description"
Intake air temperature sensorEC-139, "Description"
Intake valve timing control solenoid valveEC-219, "Description"
MULTIPORT FUEL INJECTION SYSTEM
EC-41
< FUNCTION DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
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Component Parts LocationINFOID:0000000001677952
1. Ignition coil (with power transistor)
and spark plug2. Intake valve timing control solenoid
valve3. Refrigerant pressure sensor
4. Knock sensor 5. Fuel injector 6. Cooling fan motor
7. Camshaft position sensor (PHASE) 8. IPDM E/R 9. ECM
10. Mass air flow sensor (with intake air
temperature sensor)11. Engine coolant temperature sensor 12. Electric throttle control actuator
(with built in throttle position sensor
and throttle control motor)
13. EVAP canister purge volume control
solenoid valve
PBIB2939E
MULTIPORT FUEL INJECTION SYSTEM
EC-45
< FUNCTION DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
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1. Cooling fan motor harness connec-
tor2. Crankshaft position sensor 3. Stop lamp switch
4. Brake pedal 5. Accelerator pedal position sensor
harness connector6. Accelerator pedal position sensor
7. Accelerator pedal 8. Fuel level sensor unit and fuel pump
harness connector (view with in-
spection hole cover removed)9. Fuel pressure regulator
10. Fuel pump
AWBIA0044ZZ
EC-48
< FUNCTION DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
ELECTRIC IGNITION SYSTEM
operate under normal driving conditions. If engine knocking occurs, the knock sensor monitors the condition.
The signal is transmitted to the ECM. The ECM retards the ignition timing to eliminate the knocking condition.
Component Parts LocationINFOID:0000000001677953
1. Ignition coil (with power transistor)
and spark plug2. Intake valve timing control solenoid
valve3. Refrigerant pressure sensor
4. Knock sensor 5. Fuel injector 6. Cooling fan motor
7. Camshaft position sensor (PHASE) 8. IPDM E/R 9. ECM
10. Mass air flow sensor (with intake air
temperature sensor)11. Engine coolant temperature sensor 12. Electric throttle control actuator
(with built in throttle position sensor
and throttle control motor)
13. EVAP canister purge volume control
solenoid valve
PBIB2939E