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 BCM for damage, bend and loose connection (unit side and connector side).
2.CHECK HARNESS FOR OPEN CIRCUIT
Disconnect the connector of BCM.
Check the resistance between the BCM harness connector terminals.

3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the BCM. Refer to BCS-36, "Diagnosis Procedure".
ADP branch line circuit
DLC branch line circuitPower steering
WARNING
If the engine is not running or is turned
off while driving, the power assist for
the steering will not work. Steering will
be harder to operate.
When the power steering warning light
illuminates with the engine running,
there will be no power assist for the
steering. You w ...
Audio unit
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
...
Diagnosis and repair work flow
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
Get the detailed information from the customer about the symptom
(the condition and the environment
when the incident/malfunction occurred) using the "Diagnostic Work Sheet".
(Refer to EC-12, "Diagnostic ...