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".
U1258 Satellite radio antennaDTC Logic DTC DETECTION LOGIC Diagnosis Procedure Regarding Wiring Diagram information, refer to AV "Wiring Diagram". 1.SATELLITE ANTENNA INSPECTION Visually inspect ...

DTC Logic DTC DETECTION LOGIC Diagnosis Procedure Regarding Wiring Diagram information, refer to AV "Wiring Diagram". 1.ANTENNA AMP. INSPECT ...
Car phone or CB radio
When installing a CB, ham radio or car phone in
your vehicle, be sure to observe the following
precautions; otherwise, the new equipment may
adversely affect the engine control system and
other electronic parts.
WARNING
A cellular phone should not be used for
any purpose while driving so ...
U0140 Lost communication (BCM)
Description
CAN (Controller Area Network) is a serial communication line for real-time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent malfunction
detection ability.
Many electronic control units are equipped onto a vehicle, and ...