DTC Diagnosis Procedure
WARNING: This page is about a different car, the 2020 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK P/N POSITION SIGNAL
- Turn ignition switch ON.
- Check voltage between BCM harness connector and ground.
(+)
(-)
Condition
Voltage
BCM
Connector
Terminal
M13
39
Ground
Selector lever
P or N position
Other than above
0 V
Is the inspection result normal?
YES
Replace BCM. Refer to BCM : Removal & Installation .
NO
GO TO 2.
- CHECK P/N POSITION SIGNAL CIRCUIT
- Turn ignition switch OFF.
- Disconnect IPDM E/R connector and BCM connector.
- Check continuity between IPDM E/R harness connector and BCM harness connector.
IPDM E/R
BCM
Continuity
Connector
Terminal
Connector
Terminal
E121
37
M13
39
Existed
- Check continuity between IPDM E/R harness connector and ground.
IPDM E/R
Ground
Continuity
Connector
Terminal
E121
37
Not existed
Is the inspection result normal?
YES
Replace IPDM E/R. Refer to IPDM E/R : Removal & Installation .
NO
Repair or replace harness.