Toyota Corolla (E120): Speed control main switch assy

Replacement

1. Disconnect battery negative terminal

2. Inspect place front wheels facing straight ahead

3. Remove horn button assy

4. Remove steering wheel assy

sst 09950–50013 (09951–05010, 09952–05010, 09953–05020, 09954–05021)

5. Remove speed control main switch assy

  1. Remove the 2 screws and cruise control main switch assy.

6. Center spiral cable

7. Install steering wheel assy

8. Inspect steering wheel center point

9. Inspect horn button assy

10. Install horn button assy

11. Inspect srs warning light

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    Inspection procedure
    1 Inspect dlc3 terminal voltage Turn the ignition switch to on.  measure voltage between terminals 13 (tc) and 4 (cg) of dlc3. Ok: voltage: 10 – 16 v 2 Check harness and connector(between cruise control ecu assy and dlc3) Check for open and short circuit in harness ...

    Steering column
    Preparation Sst Recomended tools Equipment ...

    Circuit description
    Monitor description The ecm commands gearshift by turning the shift solenoid valves ”on/off”. When there is an open or short circuit in any shift solenoid valve circuit, the ecm detects the problem and the mil comes on. Illuminating the mil, the ecm performs the fail–safe and turns ...