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 AV "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
1.CHECK USB INTERFACE HARNESS
Visually inspect USB interface harness. Refer to AV "Removal and Installation".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace USB interface harness. Refer to AV "Removal and Installation".
2.CHECK USB INTERFACE HARNESS
Check USB interface harness. Refer to AV "Diagnosis Procedure".
Is the inspection result normal?
YES >> Replace AV control unit. Refer to AV "Removal and Installation".
NO >> Replace USB interface harness. Refer to AV "Removal and Installation".