Inspection Procedure 13: Does not Shift (No Diagnosis Code)

[23A] AUTOMATIC TRANSMISSION (FF) - - TROUBLESHOOTING <A/T> - SYMPTOM PROCEDURES - Inspection Procedure 13: Does not Shift (No Diagnosis Code)



Inspection Procedure 13: Does not Shift (No Diagnosis Code)


COMMENTS ON TROUBLE SYMPTOM The gear shifting does not occur while driving. If no diagnosis codes are output, the cause is probably a malfunction of the inhibitor switch or engine-A/T-ECU .
PROBABLE CAUSES Malfunction of inhibitor switch Malfunction of the engine-A/T-ECU
DIAGNOSIS PROCEDURE

STEP 1. MUT-II/III data list Item 54: A/T control relay (Refer to Data List Reference Table ). Q: Is the check result normal? YES: Go to Step 2. NO: Replace the engine-A/T-ECU.
STEP 2. MUT-II/III data list Item 67: Inhibitor switch (Refer to data list reference table ). Q: Is the check result normal? YES: The inspection is complete. NO: Refer to inspection procedure 17: Shift switch assembly system <4G63, 4G64>, <4G69>.

[23A] AUTOMATIC TRANSMISSION (FF) - - TROUBLESHOOTING <A/T> - SYMPTOM PROCEDURES - Inspection Procedure 13: Does not Shift (No Diagnosis Code)