Diagnosis Procedure
WARNING: This page is about a different car, the 2012 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK CONTINUITY AUX IMAGE SIGNAL CIRCUIT
- Turn ignition switch OFF.
- Disconnect front auxiliary input jacks connector and AV control unit connector.
- Check continuity between front auxiliary input jacks harness connector and AV control unit harness connector.
Front auxiliary input jacks AV control unit Continuity Connector Terminal Connector Terminal M139 7 M209 26 Existed - Check continuity between front auxiliary input jacks harness connector and ground.
Front auxiliary input jacks Ground Continuity Connector Terminal M139 7 Not existed Is the inspection result normal?
YES: GO TO 2.
NO: Repair harness or connector.
- CHECK AUX IMAGE SIGNAL
- Connect front auxiliary input jacks connector and AV control unit connector.
- Turn ignition switch ON.
- Check signal between front auxiliary input jacks harness connector and ground.
(+) (-) Condition Reference value Front auxiliary input jacks Connector Terminal M139 7 Ground At front AUX image is displayed. Is the inspection result normal?
YES: Replace AV control unit. Refer to "REMOVAL AND INSTALLATION ".
NO: Check that there is no malfunction in the external device.