ENGINE STALLS WHEN SHIFTED TO D, M OR R POSITION [ET6A-EL, ET6AX-EL (E)]
id0503n61027n8
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Troubleshooting item |
Engine stalls when shifted to D, M or R position |
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Description
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• Engine stalls when shifting from N or P position to D, M or R position at idle.
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Possible cause
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1. Not within idle speed specification
2. TCC piston malfunction (solenoid drive circuit, hydraulic passage blockage, poor operation)
3. Torque converter malfunction
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System wiring diagram
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• Not applicable
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Connector diagram
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• Not applicable
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Diagnostic Procedure
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Step |
Inspection |
Results |
Action |
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1
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VERIFY IF MALFUNCTION CAUSE IS ENGINE CONTROL SYSTEM OR TORQUE CONVERTER
• Perform the symptom troubleshooting “ENGINE STALLS-AFTER START/AT IDLE” and “LOW IDLE/STALLS DURING DECELERATION”.
• Is there any malfunction?
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Yes
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Repair or replace any malfunctioning parts according to the inspection result.
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No
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Go to the next step.
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2
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DETERMINE IF MALFUNCTION IS DUE TO TORQUE CONVERTER OPERATION MALFUNCTION
• Verify the malfunction symptom.
• Does the engine stall in the R position?
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Yes
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Replace the torque converter.
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No
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Go to the next step.
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3
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DETERMINE IF MALFUNCTION IS DUE TO TCC SOLENOID VALVE OPERATION MALFUNCTION OR AUTOMATIC TRANSAXLE INTERNAL MALFUNCTION
• Verify the malfunction symptom.
• Does the engine stall in the D or M position?
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Yes
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Replace the control valve body.
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No
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Replace the automatic transaxle.
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