2007 INFINITI M35 wiring diagram

EC-12Revision: 2007 April2007 M35/M45 DTC Confirmation Procedure ..............................11 4 6
Wiring Diagram ....................................................11 4 7
Diagnostic Procedure ..........................................11 4 8
Component Inspection .........................................11 5 2
DTC P0455 EVAP CONTROL SYSTEM ................115 3
On Board Diagnosis Logic ...................................11 5 3
DTC Confirmation Procedure ..............................11 5 4
Diagnostic Procedure ..........................................11 5 5
DTC P0456 EVAP CONTROL SYSTEM ................116 0
On Board Diagnosis Logic ...................................11 6 0
DTC Confirmation Procedure ..............................11 6 1
Overall Function Check .......................................11 6 2
Diagnostic Procedure ..........................................11 6 3
DTC P0460 FUEL LEVEL SENSOR ......................116 9
Component Description .......................................11 6 9
On Board Diagnosis Logic ...................................11 6 9
DTC Confirmation Procedure ..............................11 6 9
Diagnostic Procedure ..........................................11 7 0
Removal and Installation .....................................11 7 0
DTC P0461 FUEL LEVEL SENSOR ......................117 1
Component Description .......................................11 7 1
On Board Diagnosis Logic ...................................11 7 1
Overall Function Check .......................................11 7 1
Diagnostic Procedure ..........................................11 7 2
Removal and Installation .....................................11 7 2
DTC P0462, P0463 FUEL LEVEL SENSOR CIR-
CUIT .......................................................................117 3
Component Description .......................................11 7 3
On Board Diagnosis Logic ...................................11 7 3
DTC Confirmation Procedure ..............................11 7 3
Diagnostic Procedure ..........................................11 7 4
Removal and Installation .....................................11 7 4
DTC P0500 VSS .....................................................117 5
Description ...........................................................11 7 5
On Board Diagnosis Logic ...................................11 7 5
DTC Confirmation Procedure ..............................11 7 5
Overall Function Check .......................................11 7 6
Diagnostic Procedure ..........................................11 7 6
DTC P0506 ISC SYSTEM ......................................117 7
Description ...........................................................11 7 7
On Board Diagnosis Logic ...................................11 7 7
DTC Confirmation Procedure ..............................11 7 7
Diagnostic Procedure ..........................................11 7 8
DTC P0507 ISC SYSTEM ......................................117 9
Description ...........................................................11 7 9
On Board Diagnosis Logic ...................................11 7 9
DTC Confirmation Procedure ..............................11 7 9
Diagnostic Procedure ..........................................11 8 0
DTC P0550 PSP SENSOR .....................................118 1
Component Description .......................................11 8 1
CONSULT-II Reference Value in Data Monitor Mode
11 8 1
On Board Diagnosis Logic ...................................11 8 1
DTC Confirmation Procedure ..............................11 8 1
Wiring Diagram ....................................................11 8 2
Diagnostic Procedure ..........................................11 8 3
Component Inspection .........................................11 8 5
Removal and Installation .....................................11 8 5DTC P0603 ECM POWER SUPPLY .......................11 86
Component Description .......................................11 8 6
On Board Diagnosis Logic ...................................11 8 6
DTC Confirmation Procedure ...............................11 8 6
Wiring Diagram ....................................................11 8 7
Diagnostic Procedure ...........................................11 8 8
DTC P0605 ECM ....................................................11 90
Component Description .......................................11 9 0
On Board Diagnosis Logic ...................................11 9 0
DTC Confirmation Procedure ...............................11 9 0
Diagnostic Procedure ...........................................11 9 1
DTC P0643 SENSOR POWER SUPPLY ...............11 93
On Board Diagnosis Logic ...................................11 9 3
DTC Confirmation Procedure ...............................11 9 3
Wiring Diagram ....................................................11 9 4
Diagnostic Procedure ...........................................11 9 6
DTC P0850 PNP SWITCH ......................................11 98
Component Description .......................................11 9 8
CONSULT-II Reference Value in Data Monitor Mode
11 9 8
On Board Diagnosis Logic ...................................11 9 8
DTC Confirmation Procedure ...............................11 9 8
Overall Function Check ........................................11 9 9
Wiring Diagram ....................................................1200
Diagnostic Procedure ...........................................1201
DTC P1140, P1145 IVT CONTROL POSITION SEN-
SOR ........................................................................1203
Component Description .......................................1203
CONSULT-II Reference Value in Data Monitor Mode
1203
On Board Diagnosis Logic ...................................1203
DTC Confirmation Procedure ...............................1203
Wiring Diagram ....................................................1204
Diagnostic Procedure ...........................................1207
Component Inspection .........................................1210
Removal and Installation ......................................1210
DTC P1148, P1168 CLOSED LOOP CONTROL ...1211
On Board Diagnosis Logic ...................................1211
DTC P1211 TCS CONTROL UNIT .........................1212
Description ...........................................................1212
On Board Diagnosis Logic ...................................1212
DTC Confirmation Procedure ...............................1212
Diagnostic Procedure ...........................................1212
DTC P1212 TCS COMMUNICATION LINE ............1213
Description ...........................................................1213
On Board Diagnosis Logic ...................................1213
DTC Confirmation Procedure ...............................1213
Diagnostic Procedure ...........................................1213
DTC P1217 ENGINE OVER TEMPERATURE .......1214
Description ...........................................................1214
CONSULT-II Reference Value in Data Monitor Mode
1215
On Board Diagnosis Logic ...................................1215
Overall Function Check ........................................1215
Wiring Diagram ....................................................1217
Diagnostic Procedure ...........................................1219
Main 13 Causes of Overheating ..........................1223
Component Inspection .........................................1224
DTC P1220 FUEL PUMP CONTROL MODULE

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Revision: 2007 April2007 M35/M45 (FPCM) ...................................................................1225
Description ..........................................................1225
CONSULT-II Reference Value in Data Monitor Mode
1225
On Board Diagnosis Logic ..................................1225
DTC Confirmation Procedure ..............................1226
Wiring Diagram ...................................................1227
Diagnostic Procedure ..........................................1228
Component Inspection ........................................1232
DTC P1225 TP SENSOR .......................................1233
Component Description .......................................1233
On Board Diagnosis Logic ..................................1233
DTC Confirmation Procedure ..............................1233
Diagnostic Procedure ..........................................1234
Removal and Installation .....................................1234
DTC P1226 TP SENSOR .......................................1235
Component Description .......................................1235
On Board Diagnosis Logic ..................................1235
DTC Confirmation Procedure ..............................1235
Diagnostic Procedure ..........................................1236
Removal and Installation .....................................1236
DTC P1550 BATTERY CURRENT SENSOR ........1237
Component Description .......................................1237
CONSULT-II Reference Value in Data Monitor Mode
1237
On Board Diagnosis Logic ..................................1237
DTC Confirmation Procedure ..............................1238
Wiring Diagram ...................................................1239
Diagnostic Procedure ..........................................1240
Component Inspection ........................................1242
DTC P1551, P1552 BATTERY CURRENT SENSOR 1244
Component Description .......................................1244
CONSULT-II Reference Value in Data Monitor Mode
1244
On Board Diagnosis Logic ..................................1244
DTC Confirmation Procedure ..............................1245
Wiring Diagram ...................................................1246
Diagnostic Procedure ..........................................1247
Component Inspection ........................................1249
DTC P1553 BATTERY CURRENT SENSOR ........1251
Component Description .......................................1251
CONSULT-II Reference Value in Data Monitor Mode
1251
On Board Diagnosis Logic ..................................1251
DTC Confirmation Procedure ..............................1252
Wiring Diagram ...................................................1253
Diagnostic Procedure ..........................................1254
Component Inspection ........................................1256
DTC P1554 BATTERY CURRENT SENSOR ........1258
Component Description .......................................1258
CONSULT-II Reference Value in Data Monitor Mode
1258
On Board Diagnosis Logic ..................................1258
Overall Function Check .......................................1259
Wiring Diagram ...................................................1260
Diagnostic Procedure ..........................................1261
Component Inspection ........................................1263
DTC P1564 ICC STEERING SWITCH ...................1265
Component Description .......................................1265CONSULT-II Reference Value in Data Monitor Mode
1265
On Board Diagnosis Logic ...................................1265
DTC Confirmation Procedure ..............................1266
Wiring Diagram ....................................................1267
Diagnostic Procedure ..........................................1268
Component Inspection .........................................1271
DTC P1564 ASCD STEERING SWITCH ...............1272
Component Description .......................................1272
CONSULT-II Reference Value in Data Monitor Mode
1272
On Board Diagnosis Logic ...................................1272
DTC Confirmation Procedure ..............................1273
Wiring Diagram ....................................................1274
Diagnostic Procedure ..........................................1275
Component Inspection .........................................1278
DTC P1568 ICC FUNCTION ..................................1279
On Board Diagnosis Logic ...................................1279
DTC Confirmation Procedure ..............................1279
Diagnostic Procedure ..........................................1279
DTC P1572 ICC BRAKE SWITCH .........................1280
Component Description .......................................1280
CONSULT-II Reference Value in Data Monitor Mode
1280
On Board Diagnosis Logic ...................................1280
DTC Confirmation Procedure ..............................1281
Wiring Diagram ....................................................1282
Diagnostic Procedure ..........................................1283
Component Inspection .........................................1288
DTC P1572 ASCD BRAKE SWITCH .....................1289
Component Description .......................................1289
CONSULT-II Reference Value in Data Monitor Mode
1289
On Board Diagnosis Logic ...................................1289
DTC Confirmation Procedure ..............................1290
Wiring Diagram ....................................................1291
Diagnostic Procedure ..........................................1292
Component Inspection .........................................1296
DTC P1574 ICC VEHICLE SPEED SENSOR ........1297
Component Description .......................................1297
On Board Diagnosis Logic ...................................1297
DTC Confirmation Procedure ..............................1297
Diagnostic Procedure ..........................................1298
DTC P1574 ASCD VEHICLE SPEED SENSOR ....1299
Component Description .......................................1299
On Board Diagnosis Logic ...................................1299
DTC Confirmation Procedure ..............................1299
Diagnostic Procedure ..........................................1300
DTC P1715 INPUT SPEED SENSOR (TURBINE
REVOLUTION SENSOR) .......................................1301
Description ...........................................................1301
CONSULT-II Reference Value in Data Monitor Mode
1301
On Board Diagnosis Logic ...................................1301
Diagnostic Procedure ..........................................1301
DTC P1800 VIAS CONTROL SOLENOID VALVE 1302
Component Description .......................................1302
CONSULT-II Reference Value in Data Monitor Mode
1302

EC-14Revision: 2007 April2007 M35/M45 On Board Diagnosis Logic ...................................1302
DTC Confirmation Procedure ..............................1302
Wiring Diagram ....................................................1303
Diagnostic Procedure ..........................................1304
Component Inspection .........................................1305
Removal and Installation .....................................1306
DTC P1805 BRAKE SWITCH ................................1307
Component Description .......................................1307
CONSULT-II Reference Value in Data Monitor Mode
1307
On Board Diagnosis Logic ...................................1307
DTC Confirmation Procedure ..............................1308
Wiring Diagram ....................................................1309
Diagnostic Procedure ..........................................1310
Component Inspection .........................................1315
DTC P2100, P2103 THROTTLE CONTROL MOTOR
RELAY ....................................................................1316
Component Description .......................................1316
CONSULT-II Reference Value in Data Monitor Mode
1316
On Board Diagnosis Logic ...................................1316
DTC Confirmation Procedure ..............................1316
Wiring Diagram ....................................................1318
Diagnostic Procedure ..........................................1319
DTC P2101 ELECTRIC THROTTLE CONTROL
FUNCTION .............................................................1322
Description ...........................................................1322
On Board Diagnosis Logic ...................................1322
DTC Confirmation Procedure ..............................1322
Wiring Diagram ....................................................1323
Diagnostic Procedure ..........................................1324
Component Inspection .........................................1328
Removal and Installation .....................................1328
DTC P2118 THROTTLE CONTROL MOTOR ........1329
Component Description .......................................1329
On Board Diagnosis Logic ...................................1329
DTC Confirmation Procedure ..............................1329
Wiring Diagram ....................................................1330
Diagnostic Procedure ..........................................1331
Component Inspection .........................................1332
Removal and Installation .....................................1333
DTC P2119 ELECTRIC THROTTLE CONTROL
ACTUATOR ............................................................1334
Component Description .......................................1334
On Board Diagnosis Logic ...................................1334
DTC Confirmation Procedure ..............................1334
Diagnostic Procedure ..........................................1335
DTC P2122, P2123 APP SENSOR ........................1336
Component Description .......................................1336
CONSULT-II Reference Value in Data Monitor Mode
1336
On Board Diagnosis Logic ...................................1336
DTC Confirmation Procedure ..............................1337
Wiring Diagram ....................................................1338
Diagnostic Procedure ..........................................1339
Component Inspection .........................................1341
Removal and Installation .....................................1342
DTC P2127, P2128 APP SENSOR ........................1343
Component Description .......................................1343CONSULT-II Reference Value in Data Monitor Mode
1343
On Board Diagnosis Logic ...................................1343
DTC Confirmation Procedure ...............................1344
Wiring Diagram ....................................................1345
Diagnostic Procedure ...........................................1346
Component Inspection .........................................1349
Removal and Installation ......................................1349
DTC P2135 TP SENSOR .......................................1350
Component Description .......................................1350
CONSULT-II Reference Value in Data Monitor Mode
1350
On Board Diagnosis Logic ...................................1350
DTC Confirmation Procedure ...............................1351
Wiring Diagram ....................................................1352
Diagnostic Procedure ...........................................1353
Component Inspection .........................................1356
Removal and Installation ......................................1356
DTC P2138 APP SENSOR .....................................1357
Component Description .......................................1357
CONSULT-II Reference Value in Data Monitor Mode
1357
On Board Diagnosis Logic ...................................1357
DTC Confirmation Procedure ...............................1358
Wiring Diagram ....................................................1359
Diagnostic Procedure ...........................................1360
Component Inspection .........................................1364
Removal and Installation ......................................1364
DTC P2A00, P2A03 A/F SENSOR 1 ......................1365
Component Description .......................................1365
CONSULT-II Reference Value in Data Monitor Mode
1365
On Board Diagnosis Logic ...................................1365
DTC Confirmation Procedure ...............................1365
Wiring Diagram ....................................................1367
Diagnostic Procedure ...........................................1370
Removal and Installation ......................................1376
ASCD BRAKE SWITCH .........................................1377
Component Description .......................................1377
CONSULT-II Reference Value in Data Monitor Mode
1377
Wiring Diagram ....................................................1378
Diagnostic Procedure ...........................................1379
Component Inspection .........................................1383
ASCD INDICATOR .................................................1384
Component Description .......................................1384
CONSULT-II Reference Value in Data Monitor Mode
1384
Wiring Diagram ....................................................1385
Diagnostic Procedure ...........................................1386
ELECTRICAL LOAD SIGNAL ...............................1387
Description ...........................................................1387
CONSULT-II Reference Value in Data Monitor Mode
1387
Diagnostic Procedure ...........................................1387
FUEL INJECTOR ....................................................1389
Component Description .......................................1389
CONSULT-II Reference Value in Data Monitor Mode
1389

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Revision: 2007 April2007 M35/M45 Wiring Diagram ...................................................1390
Diagnostic Procedure ..........................................1391
Component Inspection ........................................1394
Removal and Installation .....................................1394
FUEL PUMP ..........................................................1395
Description ..........................................................1395
CONSULT-II Reference Value in Data Monitor Mode
1395
Wiring Diagram ...................................................1396
Diagnostic Procedure ..........................................1397
Component Inspection ........................................1401
Removal and Installation .....................................1402
ICC BRAKE SWITCH ............................................1403
Component Description .......................................1403
CONSULT-II Reference Value in Data Monitor Mode
1403
Wiring Diagram ...................................................1404
Diagnostic Procedure ..........................................1405
Component Inspection ........................................1410
IGNITION SIGNAL .................................................1411
Component Description .......................................1411
Wiring Diagram ...................................................1412
Diagnostic Procedure ..........................................1417
Component Inspection ........................................1421
Removal and Installation .....................................1423
REFRIGERANT PRESSURE SENSOR ................1424
Component Description .......................................1424
Wiring Diagram ...................................................1425Diagnostic Procedure ..........................................1426
Removal and Installation .....................................1428
VIAS .......................................................................1429
Description ...........................................................1429
CONSULT-II Reference Value in Data Monitor Mode
1430
Wiring Diagram ....................................................1431
Diagnostic Procedure ..........................................1433
Component Inspection .........................................1436
Removal and Installation .....................................1437
MIL AND DATA LINK CONNECTOR .....................1438
Wiring Diagram ....................................................1438
SERVICE DATA AND SPECIFICATIONS (SDS) ...1440
Fuel Pressure ......................................................1440
Idle Speed and Ignition Timing ............................1440
Calculated Load Value .........................................1440
Mass Air Flow Sensor ..........................................1440
Intake Air Temperature Sensor ............................1440
Engine Coolant Temperature Sensor ..................1440
Fuel Tank Temperature Sensor ...........................1440
Crankshaft Position Sensor (POS) ......................1440
Camshaft Position Sensor (PHASE) ...................1440
A/F Sensor 1 Heater ............................................1440
Heated Oxygen Sensor 2 Heater ........................1441
Throttle Control Motor ..........................................1441
Fuel Injector .........................................................1441
Fuel Pump ...........................................................1441

EC-154
[VQ35DE]
POWER SUPPLY AND GROUND CIRCUIT
Revision: 2007 April2007 M35/M45
POWER SUPPLY AND GROUND CIRCUITPFP:24110
Wiring DiagramNBS004TH
TBWT0946E

EC-156
[VQ35DE]
POWER SUPPLY AND GROUND CIRCUIT
Revision: 2007 April2007 M35/M45
4. CHECK GROUND CONNECTIONS-I
1. Turn ignition switch OFF.
2. Loosen and retighten two ground screws on the body.
Refer to EC-160, "
Ground Inspection" .
OK or NG
OK >> GO TO 5.
NG >> Repair or replace ground connections.
5. CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT-I
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminals 1, 115, 116 and ground.
Refer to Wiring Diagram.
3. Also check harness for short to power.
OK or NG
OK >> GO TO 7.
NG >> GO TO 6.
6. DETECT MALFUNCTIONING PART
Check the following.

Harness connectors F102, M72

Harness for open or short between ECM and ground
>> Repair open circuit or short to power in harness or connectors.
7. CHECK ECM POWER SUPPLY CIRCUIT-II
1. Reconnect ECM harness connector.
2. Turn ignition switch ON.
3. Check voltage between IPDM E/R terminal 17 and ground with
CONSULT-II or tester.
OK or NG
OK >> Go to EC-691, "IGNITION SIGNAL" .
NG >> GO TO 8.
1. Body ground M70 2. Body ground M16
PBIB2782E
Continuity should exist.
Voltage: Battery voltage
PBIB1514E

POWER SUPPLY AND GROUND CIRCUIT
EC-157
[VQ35DE]
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Revision: 2007 April2007 M35/M45
8. CHECK ECM POWER SUPPLY CIRCUIT-III
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Check voltage between ECM terminals 119, 120 and ground
with CONSULT-II or tester.
OK or NG
OK >> GO TO 15.
NG (Battery voltage does not exist.)>>GO TO 9.
NG (Battery voltage exists for more than a few seconds.)>>GO TO
12.
9. CHECK ECM POWER SUPPLY CIRCUIT-IV
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Check voltage between ECM terminal 111 and ground with
CONSULT-II or tester.
OK or NG
OK >> GO TO 10.
NG >> GO TO 12.
10. CHECK ECM POWER SUPPLY CIRCUIT-V
1. Disconnect ECM harness connector.
2. Disconnect IPDM E/R harness connector E7.
3. Check harness continuity between ECM terminals 119, 120 and IPDM E/R terminal 18.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 18.
NG >> GO TO 11.
11 . DETECT MALFUNCTIONING PART
Check the following.

Harness or connectors E108, M15

Harness for open or short between ECM and IPDM E/R
>> Repair open circuit or short to ground or short to power in harness or connectors. Voltage: After turning ignition switch OFF, battery
voltage will exist for a few seconds, then
drop approximately 0V.
PBIB1630E
Voltage: Battery voltage
PBIB1191E
Continuity should exist.

EC-158
[VQ35DE]
POWER SUPPLY AND GROUND CIRCUIT
Revision: 2007 April2007 M35/M45
12. CHECK ECM POWER SUPPLY CIRCUIT-VI
1. Disconnect ECM harness connector.
2. Disconnect IPDM E/R harness connector E9.
3. Check harness continuity between ECM terminal 111 and IPDM E/R terminal 46.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 14.
NG >> GO TO 13.
13. DETECT MALFUNCTIONING PART
Check the following.

Harness or connectors E108, M15

Harness for open or short between ECM and IPDM E/R
>> Repair open circuit or short to ground or short to power in harness or connectors.
14. CHECK 20A FUSE
1. Disconnect 20A fuse from IPDM E/R.
2. Check 20A fuse.
OK or NG
OK >> GO TO 18.
NG >> Replace 20A fuse.
15. CHECK GROUND CONNECTIONS-II
Loosen and retighten two ground screws on the body.
Refer to EC-160, "
Ground Inspection" .
OK or NG
OK >> GO TO 16.
NG >> Repair or replace ground connections.Continuity should exist.
1. Body ground M70 2. Body ground M16
PBIB2782E