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.
NO ENGINE BRAKING IN 2 RANGE - DIAGNOSTIC PROCEDURE
| STEP |
INSPECTION |
ACTION |
| 1 |
- Inspect TR switch adjustment.
- Does TR switch adjusted properly?
- Measure the voltage at following TCM terminal:
- Terminal 2C (2 range switch)
- Terminal 1AA (3 range switch)
- Terminal 1Z (D range switch)
- Terminal 21 (O/D OFF switch)
- Are terminal voltage okay?
(See TCM INSPECTION
.)
|
Yes |
Go to the next step. |
| No |
Adjust TR switch as necessary.
(See TRANSAXLE RANGE (TR) SWITCH ADJUSTMENT
.)
Inspect TR switch and O/D OFF switch.
Repair or replace any malfunctioning parts. |
| 2 |
- Do following symptoms concurrently occur?
- Engine flares up or slips during acceleration
- Engine flares up or slips when shifting
|
Yes |
Go to symptom troubleshooting NO.14 ENGINE FLARES UP OR SLIPS WHEN UPSHIFTING OR DOWNSHIFTING or NO.15 ENGINE FLARES UP OR SLIPS WHEN ACCELERATING VEHICLE . |
| No |
Go to the next step. |
| 3 |
- 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.
|