Special Service Tool
The actual shapes of the tools may differ from those illustrated here.

Precaution
Basic inspectionU121D AV control unit
DTC Logic
Diagnosis Procedure
1.CHECK PLAYBACK OF A DISK (CD)
U121E AV CONTROL UNIT
DTC Logic
Diagnosis Procedure
1.CHECK PLAYBACK OF A DISK (CD)
U1225 AV CONTROL UNIT
DTC Logic
DTC DETECTION LOGIC
...
Power supply and ground circuit
BCM
BCM : 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 ground.
3. CHECK GROUND CIRCUIT
Che ...
Symptom diagnosis
ADP SYSTEM SYMPTOMS
Symptom Table
SYMPTOM 1
SYMPTOM 2
SYMPTOM 3
SYMPTOM 4
SYMPTOM 5
NORMAL OPERATING CONDITION
Description
The following symptoms are normal operations, and they do not indicate a
malfunction.
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