Transmission Control Systems

DIAGNOSIS
- The vehicle speed signal is abnormal.
- The circuit in combination meter is faulty.
- The harness connector between TCM and vehicle speed sensor is in short or open.

TROUBLE SYMPTOM
- Erroneous idling.
- Engine stalls.
- Poor driving performance.





WIRING DIAGRAM

TEST STEPS:

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Step 8F17 (cont.):

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Step 8F19: