Transmission Does Not Shift

Transmission does not shift

Diagnostic Procedure:

1. Input shaft (mainshaft) speed sensor defective

2. Output shaft (countershaft) speed sensor defective

3. Modulator valve defective

4. Engine output low

Also check for:

- Check for a stored DTC, and check for loose connectors.
- Inspect the sensor O-rings.
- Check the line pressure. A/T Pressure Test
- Check the fuel pressure. Testing and Inspection
- Check for exhaust restriction.
- Check for intake restriction.
- Check the VTEC rocker arm.