Code No. P1240: Trustful Check Ignition Angle
FUNCTION
- Checks for an abnormal ignition timing retard angle demand signal from the active stability control (ASC).
TROUBLE JUDGMENT
Check Condition
- Ignition switch is "ON" position.
- Ignition timing retard angle demand signal is abnormal.
FAIL-SAFE AND BACKUP FUNCTION
- Ignition retard is not carried out.
PROBABLE CAUSES
- Failed active stability control system
- Failed engine-ECU
DIAGNOSIS PROCEDURE |
STEP 1. M.U.T.-III diagnosis code |
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Q.
Is diagnosis code related to CAN communication set?
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Inspection chart for diagnosis code (Refer to ). |
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Go to Step 2. |
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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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Perform troubleshooting of the active stability control system (ASC) (Refer to GROUP 35C - Troubleshooting - Diagnosis Code Chart ). |
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Replace the engine-ECU. |
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