NO.20 NOISE OCCURS AT IDLE WHEN VEHICLE IS STOPPED IN ALL POSITIONS [AY6A-EL, AY6AX-EL]

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20 | Noise occurs at idle when vehicle is stopped in all positions
DESCRIPTION | • Transaxle is noisy in all positions when the vehicle is idling.
POSSIBLE CAUSE | • The malfunction is in the pressure solenoid or oil pump which causes a high-pitched noise to be emitted from the transaxle at idle. Note • If a noise is emitted during shifting only, the malfunction is in the C1 clutch, C2 clutch, C3 clutch or B1 brake. • If a noise is emitted during shifting at certain gears only or during deceleration only, it is gear noise. • Before following the troubleshooting steps, make sure that the Automatic Transaxle On-Board Diagnostic and Automatic Transaxle Basic Inspection are conducted. (See BASIC INSPECTION [AY6A-EL, AY6AX-EL].)

Diagnostic procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1 | • Inspect engine condition. • Is there any engine concern (e.g. Rough idle)? | Yes | Go to appropriate symptom troubleshooting. (See SYMPTOM DIAGNOSTIC INDEX [MZI-3.7].)
No | Inspect the following: • Engine mount installation • Transaxle installation • Exhaust system installation • Suspension installation • Interference with drive train and body Repair or replace any malfunctioning parts according to the inspection result.
2 | • Verify test results. ― If normal, return to the diagnostic index to service any additional symptoms. ― If malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. • If the vehicle is repaired, troubleshooting completed. • If the vehicle is not repaired or additional diagnostic information is not available, replace the TCM.