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.
MIL COMES ON - DIAGNOSTIC PROCEDURE
| STEP |
INSPECTION |
ACTION |
| 1 |
- Connect WDS or equivalent to DLC-2.
- Turn ignition key to ON.
- Retrieve any DTCs.
- Is "PASSED" displayed?
|
Yes |
No DTC is displayed:
- Inspect for short to GND circuit between MIL (located on instrument cluster) and PCM terminal 68.
|
| No |
DTC is displayed:
- Go to appropriate DTC test.
|
| 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 is not available, replace or reprogram PCM.
|