2001 NISSAN ALMERA wiring

Diagnostic ProcedureNJEC0347
1 CHECK POWER SUPPLY
1. Turn ignition switch ªOFFº.
2. Disconnect EGR temperature sensor harness connector.
SEF127X
3. Turn ignition switch ªONº.
4. Check voltage between terminal 1 and ground with CONSULT-II or tester.
SEF945X
OK or NG
OK©GO TO 2.
NG©Repair harness or connectors.
2 CHECK GROUND CIRCUIT
1. Turn ignition switch ªOFFº.
2. Check harness continuity between EGR temperature sensor harness terminal 2 and engine ground.
Refer to wiring diagram.
Continuity should exist.
3. Also check harness for short to ground and short to power.
OK or NG
OK©GO TO 4.
NG©GO TO 3.
3 DETECT MALFUNCTIONING PART
Check the following.
+Harness for open or short between EGR temperature sensor and ECM
+Harness for open or short between TCM (Transmission Control Module) and ECM
+Joint connector-3 (If so equipped)
+Joint connector-6 (If so equipped)
©Repair open circuit or short to ground or short to power in harness or connector.
DTC P1401 EGR TEMPERATURE SENSOR (WHERE FITTED)QG
Diagnostic Procedure
EC-423

Wiring DiagramNJEC0352SEDAN MODELS AND HATCHBACK MODELS WITH
ECM IN ENGINE COMPARTMENT
NJEC0352S01
HEC794
DTC P1402 EGR FUNCTION (OPEN) (WHERE FITTED)QG
Wiring Diagram
EC-429

HATCHBACK MODELS WITH ECM IN CABINNJEC0352S02
HEC976
DTC P1402 EGR FUNCTION (OPEN) (WHERE FITTED)QG
Wiring Diagram (Cont'd)
EC-430

Diagnostic ProcedureNJEC0353
1 CHECK POWER SUPPLY
1. Disconnect EGR volume control valve harness connector.
2. Turn ignition switch ªONº.
3. Check voltage between terminals 2, 5 and ground with CONSULT-II or tester.
SEF327X
OK or NG
OK©GO TO 3.
NG©GO TO 2.
2 DETECT MALFUNCTIONING PART
Check the following.
+Harness connectors E75, F36 (If so equipped)
+Harness for open or short between EGR volume control valve and ECM relay
©Repair harness or connectors.
3 CHECK OUTPUT SIGNAL CIRCUIT
1. Turn ignition switch ªOFFº.
2. Disconnect ECM harness connector.
3. Check harness continuity between
ECM terminal 8 and terminal 1,
ECM terminal 9 and terminal 4,
ECM terminal 17 and terminal 3,
ECM terminal 18 and terminal 6.
Refer to wiring diagram.
Continuity should exist.
If OK, check harness for short to ground and short to power.
OK or NG
OK©GO TO 4.
NG©Repair open circuit, short to ground or short to power in harness connectors.
4 CHECK EGR TEMPERATURE SENSOR
Refer to ªCOMPONENT INSPECTIONº, EC-432.
OK or NG
OK©GO TO 5.
NG©Replace EGR temperature sensor.
DTC P1402 EGR FUNCTION (OPEN) (WHERE FITTED)QG
Diagnostic Procedure
EC-431

Wiring DiagramNJEC0577
HEC804
DTC P1605 A/T DIAGNOSIS COMMUNICATION LINEQG
Wiring Diagram
EC-435

Diagnostic ProcedureNJEC0578
1 CHECK INPUT SIGNAL CIRCUIT
1. Turn ignition switch ªOFFº.
2. Disconnect ECM harness connector and TCM harness connector.
SEF116Y
3. Check harness continuity between ECM terminal 91 and TCM terminal 15.
Refer to Wiring Diagram.
Continuity should exist.
4. Also check harness for short to ground and short to power.
OK or NG
OK©GO TO 2.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
2 CHECK INTERMITTENT INCIDENT
Perform ªTROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENTº, EC-177.
©INSPECTION END
DTC P1605 A/T DIAGNOSIS COMMUNICATION LINEQG
Diagnostic Procedure
EC-436

Wiring DiagramNJEC0430
HEC808
DTC P1706 PARK/NEUTRAL POSITION (PNP) SWITCHQG
Wiring Diagram
EC-439

Diagnostic ProcedureNJEC0431
1 CHECK GROUND CIRCUIT
1. Turn ignition switch ªOFFº.
2. Disconnect PNP switch harness connector.
SEF740W
3. Check harness continuity between PNP switch harness connector terminal 2 and body ground.
Refer to wiring diagram.
Continuity should exist.
4. Also check harness for short to ground and short to power.
OK or NG
OK©GO TO 3.
NG©GO TO 2.
2 DETECT MALFUNCTIONING PART
Check the harness for open or short between PNP switch and body ground.
©Repair open circuit or short to ground or short to power in harness or connectors.
3 CHECK INPUT SIGNAL CIRCUIT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 42 and PNP switch harness connector terminal 1.
Refer to wiring diagram.
Continuity should exist.
3. Also check harness for short to ground and short to power.
OK or NG
OK©GO TO 5.
NG©GO TO 4.
4 DETECT MALFUNCTIONING PART
Check the harness for open or short between ECM and PNP switch.
©Repair open circuit or short to ground or short to power in harness or connectors.
5 CHECK PNP SWITCH
Refer to MT-21, ªPOSITION SWITCH CHECKº or AT-183, ªPARK/NEUTRAL POSITION (PNP) SWITCHº.
OK or NG
OK©GO TO 6.
NG©Replace PNP switch.
DTC P1706 PARK/NEUTRAL POSITION (PNP) SWITCHQG
Diagnostic Procedure
EC-440