Diagnosis Procedure
WARNING: This page is about a different car, the 2011 Nissan 370Z. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK STARTER RELAY OUTPUT SIGNAL
- Turn ignition switch OFF.
- Disconnect BCM connector.
- Check voltage between BCM harness connector and ground.VOLTAGE SPECIFICATION
(+) (-) Condition Voltage (V) (Approx.) BCM Connector Terminal M121 52 Ground Selector lever (A/T models) P or N position 12 Other than above 0 Clutch pedal (M/T models) Depressed Battery voltage Not depressed 0 Is the inspection result normal?
YES: Go to 3.
NO: Go to 2.
- CHECK STARTER RELAY OUTPUT SIGNAL CIRCUIT
- Disconnect IPDM E/R connector.
- Check continuity between BCM harness connector and IPDM E/R harness connector.CONTINUITY SPECIFICATION
BCM IPDM E/R Continuity Connector Terminal Connector Terminal M121 52 E6 46 Existed - Check continuity between BCM harness connector and ground.CONTINUITY SPECIFICATION
BCM Ground Continuity Connector Terminal M121 52 Not existed Is the inspection result normal?
YES: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION ".
NO: Repair or replace harness.
- CHECK STARTER RELAY POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect IPDM E/R connector.
- Check voltage between IPDM E/R harness connector and ground.VOLTAGE SPECIFICATION
(+) (-) Voltage (V) (Approx.) IPDM E/R Connector Terminal E5 36 Ground Battery voltage Is the inspection result normal?
YES: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION ".
NO: Check harness for open or short between IPDM E/R and battery. Refer to "WIRING DIAGRAM - IPDM E/R - ".