NO.28 GEAR POSITION INDICATOR LIGHT ILLUMINATES IN D RANGE OR P, N, R POSITIONS [AW6A-EL, AW6AX-EL]

id050310803300

28
Gear position indicator light illuminates when in D range or P, N, R positions
DESCRIPTION
•  Gear position indicator light in instrument cluster illuminates in D range or P, N, R position with the ignition switch at ON.
POSSIBLE CAUSE
•  M range switch or related wiring harness malfunction
Note
•  Before following the troubleshooting steps, make sure that the Automatic Transaxle On-Board Diagnostic and Automatic Transaxle Basic Inspection are conducted. (See BASIC INSPECTION [AW6A-EL, AW6AX-EL].)

Diagnostic procedure

STEP

INSPECTION

ACTION
1
•  Inspect the voltage at the TCM terminal A7.
•  Is the voltage normal?
Yes
Inspect the instrument cluster.
No
Inspect the M range switch.
If the M range switch is normal, inspect for continuity between the M range switch and TCM terminal A7.
2
•  Verify test results.
―  If normal, return to the diagnostic index to service any additional symptoms.
―  If malfunction remains, inspect the related Service 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.