Diagnostic procedure
WARNING: This page is about a different car, the 2005 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
O/D OFF INDICATOR LIGHT ILLUMINATES WHEN O/D OFF SWITCH IS NOT TURNED ON - DIAGNOSTIC PROCEDURE
| STEP |
INSPECTION |
ACTION |
| 1 |
- Measure voltage at TCM terminal 21.
- Is terminal voltage okay?
(See TCM INSPECTION
.)
|
Yes |
Inspect for short to GND circuit in following harness.
- O/D OFF indicator light on instrument cluster and TCM terminal E including instrument cluster circuit board
|
| No |
|
| 2 |
- Verify test results.
- If okay, return to DIAGNOSTIC INDEX to service any additional symptoms.
- If malfunction remains, inspect related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis.
- If vehicle is repaired, troubleshooting completed.
- If vehicle is not repaired or additional diagnostic information not available, replace TCM.
|