EC-13
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ASCD BRAKE SWITCH ...................................964
Description ............................................................964
Component Function Check ..................................964
Diagnosis Procedure .............................................964
Component Inspection (ASCD Brake Switch) .......966
Component Inspection (ASCD Clutch Switch) ......966
ASCD INDICATOR ...........................................968
Description ............................................................968
Component Function Check ..................................968
Diagnosis Procedure .............................................968
COOLING FAN .................................................969
Description ............................................................969
Component Function Check ..................................969
Diagnosis Procedure .............................................969
Component Inspection ..........................................971
ELECTRICAL LOAD SIGNAL .........................973
Description ............................................................973
Component Function Check ..................................973
Diagnosis Procedure .............................................973
FUEL INJECTOR .............................................975
Description ............................................................975
Component Function Check ..................................975
Diagnosis Procedure .............................................975
Component Inspection ..........................................976
FUEL PUMP .....................................................978
Description ............................................................978
Component Function Check ..................................978
Diagnosis Procedure .............................................978
Component Inspection (Fuel Pump) .....................980
IGNITION SIGNAL ...........................................981
Description ............................................................981
Component Function Check ..................................981
Diagnosis Procedure .............................................981
Component Inspection (Ignition Coil with Power
Transistor) .............................................................
984
Component Inspection (Condenser) .....................984
MALFUNCTION INDICATOR ...........................986
Description ............................................................986
Component Function Check ..................................986
Diagnosis Procedure .............................................986
POSITIVE CRANKCASE VENTILATION ........987
Description ............................................................987
Component Inspection ..........................................987
REFRIGERANT PRESSURE SENSOR ...........988
Description ............................................................988
Component Function Check ..................................988
Diagnosis Procedure .............................................988
ECU DIAGNOSIS .......................................990
ECM ..................................................................990
Reference Value ...................................................990
Wiring Diagram - ENGINE CONTROL SYSTEM - 1000
Fail Safe ..............................................................1017
DTC Inspection Priority Chart ...........................1019
DTC Index ...........................................................1020
How to Set SRT Code ......................................1021
Test Value and Test Limit .................................1023
SYMPTOM DIAGNOSIS ...........................1024
ENGINE CONTROL SYSTEM .......................1024
Symptom Table ...................................................1024
NORMAL OPERATING CONDITION ............1028
Description ...........................................................1028
PRECAUTION ...........................................1029
PRECAUTIONS ..............................................1029
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .............................................................
1029
Precaution for Procedure without Cowl Top Cover 1029
Precautions For Xenon Headlamp Service .........1029
On Board Diagnostic (OBD) System of Engine ...1030
General Precautions ............................................1030
PREPARATION ........................................1033
PREPARATION ..............................................1033
Special Service Tools ..........................................1033
Commercial Service Tools ...................................1033
ON-VEHICLE REPAIR ..............................1035
FUEL PRESSURE ..........................................1035
Inspection ............................................................1035
EVAPORATIVE EMISSION SYSTEM ............1037
Inspection ............................................................1037
SERVICE DATA AND SPECIFICATIONS
(SDS) .........................................................
1038
SERVICE DATA AND SPECIFICATIONS
(SDS) ..............................................................
1038
Idle Speed ...........................................................1038
Ignition Timing .....................................................1038
Calculated Load Value ........................................1038
Mass Air Flow Sensor ..........................................1038
K9K
BASIC INSPECTION ................................
1039
DIAGNOSIS AND REPAIR WORKFLOW .....1039
Work Flow ............................................................1039
Diagnostic Work Sheet ........................................1041
INSPECTION AND ADJUSTMENT ...............1043
BASIC INSPECTION .............................................1043
BASIC INSPECTION : Description ......................1043
EC-15
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1124
Component Inspection ........................................1125
P0101 MAF SENSOR .....................................1127
Description ..........................................................1127
DTC Logic ...........................................................1127
Diagnosis Procedure ...........................................1127
Component Inspection ........................................1129
P0110 IAT SENSOR .......................................1130
Description ..........................................................1130
DTC Logic ...........................................................1130
Diagnosis Procedure ...........................................1130
Component Inspection ........................................1131
P0115 ECT SENSOR .....................................1132
Description ..........................................................1132
DTC Logic ...........................................................1132
Diagnosis Procedure ...........................................1132
Component Inspection ........................................1133
P0120 ELECTRIC THROTTLE CONTROL
ACTUATOR ....................................................
1134
Description ..........................................................1134
DTC Logic ...........................................................1134
Diagnosis Procedure ...........................................1134
P0180 FPT SENSOR ......................................1136
Description ..........................................................1136
DTC Logic ...........................................................1136
Diagnosis Procedure ...........................................1136
Component Inspection ........................................1137
P0190 FRP SENSOR .....................................1138
Description ..........................................................1138
DTC Logic ...........................................................1138
Diagnosis Procedure ...........................................1138
Component Inspection ........................................1139
P0200 FUEL INJECTOR ................................1140
DTC Logic ...........................................................1140
Diagnosis Procedure ...........................................1140
Component Inspection ........................................1141
P0201, P0202, P0203, P0204 FUEL INJEC-
TOR ................................................................
1142
DTC Logic ...........................................................1142
Diagnosis Procedure ...........................................1142
Component Inspection ........................................1143
P0225 APP SENSOR .....................................1144
Description ..........................................................1144
DTC Logic ...........................................................1144
Diagnosis Procedure ...........................................1144
Component Inspection ........................................1146
P0235 TC BOOST SENSOR ..........................1147
Description ..........................................................1147
DTC Logic ...........................................................1147
Diagnosis Procedure ...........................................1147
Component Inspection ........................................1148
P0335 CKP SENSOR .....................................1149
DTC Logic ............................................................1149
Diagnosis Procedure ...........................................1149
Component Inspection .........................................1150
P0340 CMP SENSOR ....................................1151
DTC Logic ............................................................1151
Diagnosis Procedure ...........................................1151
Component Inspection .........................................1152
P0380 GLOW RELAY ....................................1154
DTC Logic ............................................................1154
Diagnosis Procedure ...........................................1154
P0381 GLOW CONTROL SYSTEM ...............1156
DTC Logic ............................................................1156
Diagnosis Procedure ...........................................1156
Component Inspection .........................................1157
P0409 EGR VOLUME CONTROL VALVE
CONTROL POSITION SENSOR ....................
1158
DTC Logic ............................................................1158
Diagnosis Procedure ...........................................1158
P0487 EGR VOLUME CONTROL VALVE ....1160
DTC Logic ............................................................1160
Diagnosis Procedure ...........................................1160
Component Inspection .........................................1161
P0488 EGR SYSTEM .....................................1162
DTC Logic ............................................................1162
Diagnosis Procedure ...........................................1162
Component Inspection .........................................1164
P0500 VSS .....................................................1165
Description ...........................................................1165
DTC Logic ............................................................1165
Diagnosis Procedure ...........................................1165
P0530 REFRIGERANT PRESSURE SENSOR
1166
Description ...........................................................1166
DTC Logic ............................................................1166
Diagnosis Procedure ...........................................1166
P0560 BATTERY VOLTAGE .........................1168
DTC Logic ............................................................1168
Diagnosis Procedure ...........................................1168
P0571 ASCD BRAKE SWITCH .....................1171
DTC Logic ............................................................1171
Diagnosis Procedure ...........................................1171
Component Inspection .........................................1172
P0575 ASCD STEERING SWITCH ................1174
Description ...........................................................1174
DTC Logic ............................................................1174
Diagnosis Procedure ...........................................1174
Component Inspection (ASCD Switch) ................1176
Component Inspection (ASCD Steering Switch) .1176
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
EC-17
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1265
Diagnosis Procedure ...........................................1265
NO OR VERY LITTLE ACCELERATION, IN-
CREASE IN ENGINE SPEED ........................
1267
Description ..........................................................1267
Diagnosis Procedure ...........................................1267
ENGINE BUCKING ........................................1270
Description ..........................................................1270
Diagnosis Procedure ...........................................1270
ERRATIC ACCELERATION ..........................1272
Description ..........................................................1272
Diagnosis Procedure ...........................................1272
NO ENGINE BRAKING ..................................1274
Description ..........................................................1274
Diagnosis Procedure ...........................................1274
LOSS OF POWER ..........................................1275
Description ..........................................................1275
Diagnosis Procedure ...........................................1275
TOO MUCH POWER ......................................1278
Description ..........................................................1278
Diagnosis Procedure ...........................................1278
OVERSPEED AT IDLE SPEED OR ON RE-
LEASING BRAKE ..........................................
1280
Description ..........................................................1280
Diagnosis Procedure ...........................................1280
EXCESSIVE CONSUMPTION ........................1281
Description ..........................................................1281
Diagnosis Procedure ...........................................1281
ENGINE KNOCK ............................................1283
Description ..........................................................1283
Diagnosis Procedure ...........................................1283
ENGINE OVERHEATING ...............................1285
Description ...........................................................1285
Diagnosis Procedure ...........................................1285
ENGINE SMOKES WHEN STARTED ...........1286
Description ...........................................................1286
Diagnosis Procedure ...........................................1286
ENGINE EMITS BLUE SMOKE .....................1287
Description ...........................................................1287
Diagnosis Procedure ...........................................1287
ENGINE SMOKES WHEN REVVED ..............1289
Description ...........................................................1289
Diagnosis Procedure ...........................................1289
ENGINE EMITS WHITE SMOKE (ESPECIAL-
LY WHEN STARTING) ...................................
1290
Description ...........................................................1290
Diagnosis Procedure ...........................................1290
EMISSION CONTROL NOT SATISFACTORY 1291
Description ...........................................................1291
Diagnosis Procedure ...........................................1291
PRECAUTION ...........................................1293
PRECAUTIONS ..............................................1293
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .............................................................
1293
Precaution for Procedure without Cowl Top Cover 1293
On Board Diagnostic (OBD) System of Engine ...1293
General Precautions ............................................1294
Cleanliness ..........................................................1296
SERVICE DATA AND SPECIFICATIONS
(SDS) .........................................................
1298
SERVICE DATA AND SPECIFICATIONS
(SDS) ..............................................................
1298
Idle Speed ...........................................................1298
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-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-46
< FUNCTION DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
MULTIPORT FUEL INJECTION SYSTEM
Component Description
INFOID:0000000001161145
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"
Camshaft position sensor (PHASE)EC-201, "Description"
Crankshaft position sensor (POS)EC-197, "Description"
Engine coolant temperature sensorEC-142, "Description"
Fuel injectorEC-313, "Description"
Heated oxygen sensor 1EC-148, "Description"
Heated oxygen sensor 2EC-166, "Description"
Intake air temperature sensorEC-139, "Description"
Knock sensorEC-195, "Description"
Mass air flow sensorEC-134, "Description"
Park/neutral position (PNP) switchEC-280, "Description"
Throttle position sensorEC-261, "Description"
Vehicle speed sensorEC-213, "Description"