Diagnosis Procedure
WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
Regarding Wiring Diagram information, refer to WIRING DIAGRAM .
- CHECK IGNITION RELAY-2 CONTROL SIGNAL VOLTAGE
- Remove ignition relay-2.
- Check voltage between ignition relay-2 connector J-1 and ground.
Ignition relay-2 Ground Condition Voltage
(Approx.)Connector Terminal J-1 1 - Ignition: OFF 0V Ignition: ON Battery voltage
Is the inspection result normal?
YES
GO TO STEP 3.
NO
GO TO STEP 2.
- CHECK IGNITION RELAY-2 CONTROL SIGNAL CIRCUIT
- Turn ignition switch OFF.
- Disconnect BCM connector M19.
- Check continuity between BCM connector M19 and ignition relay-2 connector J-1.
BCM Ignition relay-2 Continuity Connector Terminal Connector Terminal M19 67 J-1 1 Yes - Check continuity between BCM connector M19 and ground.
BCM Ground Continuity Connector Terminal M19 67 - No
Is the inspection result normal?
YES
Replace BCM. Refer to REMOVAL AND INSTALLATION .
NO
Repair or replace harness or connectors.
- CHECK IGNITION RELAY-2 GROUND CIRCUIT
- Turn ignition switch OFF.
- Check continuity between ignition relay-2 connector J-1 and ground.
Ignition relay-2 Ground Continuity Connector Terminal J-1 2 - Yes
Is the inspection result normal?
YES
Replace ignition relay-2.
NO
Repair or replace harness or connectors.