Code No. P1242: Fail-safe Control Monitoring
FUNCTION
- Monitors the engine speed during fail-safe control.
TROUBLE JUDGMENT
Check Condition
- During fail-safe control.
- The engine speed is higher than assumed.
PROBABLE CAUSE
- Failed engine-ECU
DIAGNOSIS PROCEDURE |
STEP 1. M.U.T.-III diagnosis code |
Q.
Is any other diagnosis code than P1242 output?
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STEP 2. M.U.T.-III diagnosis code |
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Q.
Is diagnosis code set?
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