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 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
2
-
Ignition: OFF
0V
Ignition: ON
Battery voltage
Is the inspection result normal?
YES
GO TO 3
NO
GO TO 2
- CHECK IGNITION RELAY-2 CONTROL SIGNAL CIRCUIT
- Turn ignition switch OFF.
- Disconnect BCM connector M20.
- Check continuity between BCM connector M20 and ignition relay-2 connector J-1.
BCM
Ignition relay-2
Continuity
Connector
Terminal
Connector
Terminal
M20
67
J-1
2
Yes
- Check continuity between BCM connector M20 and ground.
BCM
Ground
Continuity
Connector
Terminal
M20
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 terminal 1 and ground.
Ignition relay-2
Ground
Continuity
Connector
Terminal
J-1
1
-
Yes
Is the inspection result normal?
YES
Replace ignition relay-2.
NO
Repair or replace harness or connectors.