DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerECM branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative
terminal.
Check the following terminals and connectors
for damage, bend and loose connection (unit side and connector
side).
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Checking lights
Anti-lock Braking System (ABS)
warning light
Brake warning light (parking brake)
Brake warning light
Charge warning light
Engine oil pressure warning light
Forward Emergency Braking (FEB) system warning
light (if so eq ...
Front fog lamp system
Wiring Diagram
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