Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

Main line between HVAC and A-bag 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 ...
Driver seat control unit
Reference Value
VALUES ON THE DIAGNOSIS TOOL
CONSULT MONITOR ITEM
*: The value at the position attained when the battery is connected is
regarded as 32768.
TERMINAL LAYOUT
PHYSICAL VALUES
Fail Safe
The fail-safe mode may be activated if the following symptoms are observed.
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Symptom diagnosis
SYSTEM SYMPTOM
Symptom Table
The diagnostics item numbers show the sequence for
inspection. Inspect in order from item 1.
...