Inspection Procedure 5
COMMENTIf 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, torque converter clutch solenoid valve, valve body or torque converter (torque converter clutch malfunction).
TROUBLESHOOTING HINTS
The most likely causes for this case:
- Malfunction of the engine system
- Malfunction of the torque converter clutch solenoid
- Malfunction of the valve body
- Malfunction of the torque converter (Malfunction of the torque converter clutch)
- Malfunction of the PCM
DIAGNOSIS
STEP 1. Check The Engine System.
Refer to <2.4L Engine>, Diagnosis - Symptom Chart - When the engine is hot, it stalls at idle or <3.0L Engine>, Diagnosis - Symptom Chart - When the engine is hot, it stalls at idle."
If the inspection result is not good, diagnose, repair, and/or replace the engine components.
If the inspection result is good, go to Step 2.
STEP 2. Replace The Torque Converter Clutch Solenoid Valve.
Replace the torque converter clutch solenoid valve. Refer to Valve Body, Then check for the symptom. If the symptom is eliminated, diagnosis is complete.
If the symptom is not eliminated, go to Step 3.
STEP 3. Disassemble And Clean The Valve Body.
Check the O-ring installation bolts for looseness and the valve body for damage. Repair or replace the faulty parts. Refer to Valve Body.
If repair is not possible, replace the valve body assembly. Then check for the symptom.
If the symptom is eliminated, diagnosis is complete. If the symptom is not eliminated, go to Step 4.
STEP 4. Replace The Torque Converter Assembly.
Remove the transaxle. Replace the torque converter assembly. Then check for the symptom.
If the symptom is eliminated, diagnosis is complete.
If the symptom is not eliminated, go to Step 5.
STEP 5. Replace The PCM.
Replace the PCM. The immobilizer-ECU and the ignition key should be replaced together with it. Refer to Ignition Switch and Immobilizer System - Ignition Switch and Immobilizer System. Confirm that the malfunction symptom is eliminated.
If malfunction is eliminated, diagnosis is complete.