Diagnosis Procedure
WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL
- Turn ignition switch OFF.
- Disconnect push-button ignition switch connector.
- Check voltage between push-button ignition switch harness connector and ground.
(+)
(-)
Voltage (V)
(Approx.)
Push-button ignition switch
Connector
Terminal
M17
8
Ground
Battery voltage
Is the inspection result normal?
YES
GO TO 4.
NO
GO TO 2.
- CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT
- Disconnect BCM connector and IPDM E/R connector.
- Check continuity between push-button ignition switch harness connector and BCM harness connector.
Push-button ignition switch
BCM
Continuity
Connector
Terminal
Connector
Terminal
M17
8
M18
1
Yes
- Check continuity between push-button ignition switch harness connector and ground.
Push-button ignition switch
Ground
Continuity
Connector
Terminal
M17
8
No
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace harness.
- REPLACE BCM
- Replace BCM. Refer to Removal and Installation .
- Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
Inspection End.
- CHECK PUSH-BUTTON IGNITION SWITCH
Refer to Component Inspection .
Is the inspection result normal?
YES
GO TO 5.
NO
Replace push-button ignition switch. Refer to Removal and Installation .
- CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident .
Inspection End.