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 STATUS LED CIRCUIT FOR SHORT TO GROUND
- Turn ignition switch OFF.
- Disconnect sonar control unit and sonar system off switch connectors.
- Check continuity between sonar control unit connector M114 and ground.
Sonar control unit
Ground
Continuity
Connector
Terminal
M114
17
(-)
No
Is the inspection result normal?
YES
GO TO 2 .
NO
Repair or replace harness or connectors.
- CHECK STATUS LED CIRCUIT FOR SHORT TO VOLTAGE
- Turn ignition switch ON.
- Check voltage between sonar control unit connector M114 and ground.
Sonar control unit
Ground
Voltage
(Approx.)
Connector
Terminal
M114
17
(-)
0V
Is the inspection result normal?
YES
GO TO 3 .
NO
Repair or replace harness or connectors.
- CHECK STATUS LED CIRCUIT FOR OPEN
- Turn ignition switch OFF.
- Check continuity between sonar control unit connector M114 and sonar system off switch connector M117.
Sonar control unit
Sonar system off switch
Continuity
Connector
Terminal
Connector
Terminal
M114
17
M117
5
Yes
Is the inspection result normal?
YES
Replace sonar system off switch. Refer to Removal and Installation .
NO
Repair or replace harness or connectors.