Diagnosis Procedure
WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FUSE
Check that the following fuse is not blown:
Terminal No.
Signal name
Fuse No.
12
IGN power supply
29 (5A)
Is the fuse blown?
YES
Replace the blown fuse after repairing the affected circuit.
NO
GO TO 2 .
- CHECK POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect sonar control unit connector.
- Check voltage between sonar control unit connector M114 and ground.
Sonar control unit
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
M114
12
(-)
Ignition switch: ON
Battery voltage
Is the inspection result normal?
YES
GO TO 3 .
NO
Repair or replace harness or connectors.
- CHECK GROUND CIRCUIT
- Turn ignition switch OFF.
- Check continuity between sonar control unit connector M114 and ground.
Sonar control unit
Ground
Continuity
Connector
Terminal
M114
15
(-)
Yes
Is the inspection result normal?
YES
Inspection End.
NO
Repair or replace harness or connectors.