Diagnosis Procedure
- CHECK GROUND CONNECTION
- Turn ignition switch OFF.
- Check ground connections M16, M70. Refer to
"GROUND INSPECTION
".
Is the inspection result normal?
YES: GO TO 2.
NO: Repair or replace ground connections.
- CHECK CRANKSHAFT POSITION (CKP) SENSOR POWER SUPPLY CIRCUIT-I
- Disconnect CKP sensor harness connector.
- Turn ignition switch ON.
- Check the voltage between CKP sensor harness connector and ground.CONNECTOR TERMINAL VOLTAGE CHART
CKP sensor Ground Voltage (V) Connector Terminal F52 1 Ground Approx. 5 Courtesy of NISSAN MOTOR CO., U.S.A.
Is the inspection result normal?
YES: GO TO 8.
NO: GO TO 3.
- CHECK CKP SENSOR POWER SUPPLY CIRCUIT-II
- Turn ignition switch ON.
- Disconnect ECM harness connector.
- Check the continuity between CKP sensor harness connector and ECM harness connector.CONNECTOR TERMINAL CONTINUITY CHART
CKP sensor ECM Continuity Connector Terminal Connector Terminal F52 1 F105 46 Existed Is the inspection result normal?
YES: GO TO 4.
NO: Repair open circuit.
- CHECK SENSOR POWER SUPPLY CIRCUIT
Check harness for short to power and short to ground, between the following terminals.
ECM SPECIFICATIONSECM Sensor Connector Terminal Name Connector Terminal F105 46 CKP sensor F52 1 F106 64 Camshaft position (CMP) sensor (bank 2) F32 1 Exhaust valve timing (EVT) control position sensor (bank 2) F83 1 Battery current sensor E67 1 M9 103 Accelerator pedal position (APP) sensor E113 5 107 EVAP control system pressure sensor B172 3 111 Refrigerant pressure sensor E66 1 Is the inspection result normal?
YES: GO TO 5.
NO: Repair short to ground or short to power in harness or connectors.
- CHECK COMPONENTS
Check the following.
- CMP sensor (bank 2) (Refer to "COMPONENT INSPECTION ".)
- EVT control position sensor (bank 2) (Refer to "COMPONENT INSPECTION ".)
- Battery current sensor (Refer to "COMPONENT INSPECTION ".)
- EVAP control system pressure sensor (Refer to "COMPONENT INSPECTION ".)
- Refrigerant pressure sensor (Refer to
"MAGNET CLUTCH CIRCUIT
".)
Is the inspection result normal?
YES: GO TO 6.
NO: Replace malfunctioning component.
- CHECK APP SENSOR
Refer to "COMPONENT INSPECTION ".
Is the inspection result normal?
YES: GO TO 12.
NO: GO TO 7.
- REPLACE ACCELERATOR PEDAL ASSEMBLY
- Replace accelerator pedal assembly.
- Go to
"SPECIAL REPAIR REQUIREMENT
".
INSPECTION END
- CHECK CKP SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between CKP sensor harness connector and ECM harness connector.CONNECTOR TERMINAL CONTINUITY CHART
CKP sensor ECM Continuity Connector Terminal Connector Terminal F52 2 F105 47 Existed - Also check harness for short to ground and short to power.
Is the inspection result normal?
YES: GO TO 9.
NO: Repair open circuit, short to ground or short to power in harness or connectors.
- CHECK CKP SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
- Check the continuity between CKP sensor harness connector and ECM harness connector.CONNECTOR TERMINAL CONTINUITY CHART
CKP sensor ECM Continuity Connector Terminal Connector Terminal F52 3 F105 37 Existed - Also check harness for short to ground and short to power.
Is the inspection result normal?
YES: GO TO 10.
NO: Repair open circuit, short to ground or short to power in harness or connectors.
- Check the continuity between CKP sensor harness connector and ECM harness connector.
- CHECK CKP SENSOR
Refer to "COMPONENT INSPECTION ".
Is the inspection result normal?
YES: GO TO 11.
NO: Replace crankshaft position sensor.
- CHECK GEAR TOOTH
Visually check for chipping signal plate gear tooth.
Is the inspection result normal?
YES: GO TO 12.
NO: Replace the signal plate.
- CHECK INTERMITTENT INCIDENT
Refer to "DESCRIPTION ".
INSPECTION END