Code No. P1243: Inquiry/Response Error
FUNCTION
- Monitors the computation function of the engine-ECU.
TROUBLE JUDGMENT
Check Condition
- Ignition switch is "ON" position.
- Engine-ECU can not calculate input data.
PROBABLE CAUSE
- 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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