Diagnosis Procedure
WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK PUSH-BUTTON IGNITION SWITCH SIGNAL (PUSH-BUTTON IGNITION SWITCH)
Check voltage between push-button ignition switch connector M38 and ground.
Push-button ignition switch
Ground
Voltage
(Approx.)
Connector
Terminal
M38
8
-
Battery voltage
Is the inspection result normal?
YES
GO TO 2 .
NO
GO TO 3 .
- CHECK PUSH-BUTTON IGNITION SWITCH SIGNAL (IPDM E/R)
Check voltage between IPDM E/R connector E19 and ground.
IPDM E/R
Ground
Voltage
(Approx.)
Connector
Terminal
E19
38
-
Battery voltage
Is the inspection result normal?
YES
Replace IPDM E/R. Refer to Removal and Installation .
NO
Repair or replace harness or connectors.
- CHECK PUSH-BUTTON IGNITION SWITCH SIGNAL CIRCUIT (PUSH-BUTTON IGNITION SWITCH)
- Place push-button ignition switch in OFF position.
- Disconnect push-button ignition switch connector, IPDM E/R connector E19 and BCM connector M21.
- Check continuity between BCM connector M21 and push-button ignition switch connector M38.
BCM
Push-button ignition switch
Continuity
Connector
Terminal
Connector
Terminal
M21
1
M38
8
Yes
- Check continuity between BCM connector M21 and ground.
BCM
Ground
Continuity
Connector
Terminal
M21
1
-
No
Is the inspection result normal?
YES
Replace BCM. Refer to Removal and Installation .
NO
Repair or replace harness or connectors.