Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the data link connector for damage, bend and loose connection (connector side and harness side).
2.CHECK HARNESS FOR OPEN CIRCUIT
Check the resistance between the data link connector terminals.

BCM branch line circuit
M&A branch line circuitPrecaution
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and
"SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT
PRE-TENSIONER", used along with a front seat belt, helps to reduce the risk
or severity of injury to the driver and front ...
U121D AV control unit
DTC Logic
Diagnosis Procedure
1.CHECK PLAYBACK OF A DISK (CD)
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DTC Logic
Diagnosis Procedure
1.CHECK PLAYBACK OF A DISK (CD)
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DTC Logic
DTC DETECTION LOGIC
U1227 AV CONTROL UNIT
DTC Logic
Diagnosis Procedure
1.CHECK PLAYBACK OF A ...
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DTC Logic
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DTC Logic
U121A AV CONTROL UNIT
DTC Logic
U121B AV CONTROL UNIT
DTC Logic
U121C AV CONTROL UNIT
DTC Logic
...