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U1263 USB

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PERFORM SELF DIAGNOSTIC RESULT

1.If there is a device connected to the USB interface, disconnect it.
2.Turn ignition switch ON and wait for 2 seconds or more.
3.Perform Self Diagnostic Result for MULTI AV.
Is DTC U1263 displayed?
YES- Refer to "Diagnosis Procedure" .
NO- Inspection End.


Diagnosis Procedure


1. CHECK USB INTERFACE HARNESS

Visually inspect USB interface harness. Refer to "Removal and Installation" Without Navigation.
Is the inspection result normal?
YES- GO TO 2.
NO- Replace USB interface harness. Refer to "Removal and Installation" Without Navigation.

2. CHECK USB INTERFACE HARNESS

Check USB interface harness. Refer to "Diagnosis Procedure" Without Navigation.
Is the inspection result normal?
YES- Replace AV control unit. Refer to "Removal and Installation" Without Navigation.
NO- Replace USB interface harness. Refer to "Removal and Installation" Without Navigation.