NO.28 GEAR POSITION INDICATOR LIGHT ILLUMINATES IN D RANGE OR P, N, R POSITIONS [SJ6A-EL]


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 Transmission On-Board Diagnostic and Automatic Transmission Basic Inspection are conducted. (See BASIC INSPECTION [SJ6A-EL].)


STEP	INSPECTION		ACTION
1	• Access TCM PIDs MNL_SW and TR using the M-MDS. • Monitor the PIDs at all selector lever positions. (See TCM INSPECTION [SJ6A-EL].) • Are each PID values normal?	Yes	Inspect the instrument cluster.
1		No	Inspect the M range switch. • If the M range switch is normal, inspect for continuity between the M range switch and TCM terminal 2G.
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.