Description

DTC Logic

Diagnosis Procedure
1.CHECK SATELLITE RADIO TUNER POWER SUPPLY AND GROUND CIRCUIT
Check satellite radio tuner power supply and ground circuit.
2.CHECK CONTINUITY COMMUNICATION CIRCUIT AND REQUEST SIGNAL CIRCUIT




3.CHECK AV CONTROL UNIT VOLTAGE


4.CHECK SATELLITE RADIO TUNER


U1263 USB
U1300 AV comm circuitWiring diagram
SUNROOF SYSTEM
Wiring Diagram
...
Power supply and ground circuit
BCM (BODY CONTROL MODULE)
BCM (BODY CONTROL MODULE) : Diagnosis Procedure
1. CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuses or fusible link are blown.
2. CHECK POWER SUPPLY CIRCUIT
Turn ignition switch OFF.
Disconnect BCM.
Check voltage between BCM harness connector and ...
U1300 AV comm circuit
Description
U1300 is indicated when malfunction occurs in communication signal of multi
AV system. Indicated simultaneously,
without fail, with the malfunction of control units connected to AV control unit
with communication line.
Determine the possible malfunction cause from the table bel ...