No.30 Gear Position Indicator Light Illuminates In D Range Or P, N, R Positions: Notes

WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

GEAR POSITION INDICATOR LIGHT ILLUMINATES IN D RANGE OR P, N, R POSITIONS DESCRIPTION AND POSSIBLE CAUSE

30	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 positions with 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 .)