Code No. P1232: Fail-safe Control System
FUNCTION
- To judge whether fail-safe control can be performed,
check that power supply to the throttle valve control servo circuit can be stopped by turning
the throttle valve control servo relay to OFF position momentarily.
TROUBLE JUDGMENT
Check Condition
- Ignition switch is "ON" position.
- Power supply to the throttle valve control servo cannot be shut down (though power
supply is stopped).
PROBABLE CAUSES
- Failed throttle valve control servo relay circuit
- Failed engine-ECU
DIAGNOSIS PROCEDURE |
STEP 1. M.U.T.-III diagnosis code |
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Q.
Is diagnosis code set?
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STEP 2. M.U.T.-III diagnosis code |
Q.
Is diagnosis code of P0657 set?
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