NO.28 GEAR POSITION INDICATOR LIGHT ILLUMINATES IN D RANGE OR P, N, R POSITIONS [AW6A-EL, AW6AX-EL]SM2445421
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
• Access the TCM PID MNL SW using the M-MDS. (See ON-BOARD DIAGNOSTIC SYSTEM PID/DATA MONITOR INSPECTION [AW6A-EL, AW6AX-EL].)
• Monitor the MNL SW PID with move the selector lever to all position and range.
• Does the MNL SW PID indicate properly?
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.