[23A] AUTOMATIC TRANSMISSION (FF) - - TROUBLESHOOTING <A/T> - SYMPTOM PROCEDURES - Inspection Procedure 6: Engine Stalls During Shifting | PRINT PAGE / INDEX / PRIOR / NEXT

Inspection Procedure 6: Engine Stalls During Shifting
COMMENTS ON TROUBLE SYMPTOM If the engine stalls when the selector lever is shifted from N to D or R range while the engine is idling, the cause is probably a malfunction of the engine system, damper clutch solenoid valve, valve body or torque converter (damper clutch).
PROBABLE CAUSES Malfunction of engine system Malfunction of damper clutch solenoid valve Malfunction of valve body Malfunction of torque converter (damper clutch) Malfunction of the engine-A/T-ECU
DIAGNOSIS PROCEDURE
STEP 1. MUT-II/III actuator test Item 06: Damper clutch solenoid valve OK: Operating sound can be heard. Q: Is the check result normal? YES: Go to Step 2. NO: Replace the damper clutch solenoid valve.
STEP 2. Valve body disassembly clean and assembly Check the bolts for looseness and the O-ring, solenoid valve and valve body for damage. Replace the valve body assembly if the damages are thought to be irreparable. Test drive the vehicle. Verify that the condition described by the customer exists. Q: Does a malfunction take place again? YES: Go to Step 3. NO: The inspection is complete.
STEP 3. Torque converter check Check for damaged drive plate, incorrect installation in the input shaft (inserted at an angle), damaged splines or damper clutch sealing. Q: Is the check result normal? YES: Go to Step 4. NO: If repair is possible, repair the damaged part. If repair is not possible because the splines on the drive plate or torque converter are damaged, replace it.
STEP 4. Engine system check Refer to GROUP 13A, Troubleshooting <4G63>, GROUP 13B, Troubleshooting <4G64>, GROUP 13C, Trouble shooting <4G69>. Q: Is the check result normal? YES: Replace the engine-A/T-ECU. NO: Repair the engine system.

[23A] AUTOMATIC TRANSMISSION (FF) - - TROUBLESHOOTING <A/T> - SYMPTOM PROCEDURES - Inspection Procedure 6: Engine Stalls During Shifting | PRINT PAGE / INDEX / PRIOR / NEXT

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