Corsica L4-121 2.0L (1988)
Fig. 120 Chart C-8A Torque Converter Clutch
Test Description:
Numbers below refer to circled numbers on the diagnostic chart.
1.
Light "OFF" confirms transaxle third gear apply switch is open.
2.
At 30 mph (48 km/h), the transaxle third gear switch should close. Test light will turn "ON" and confirm ignition voltage in circuit and close brake
switch in closed position.
3.
Grounding the diagnostic terminal with the engine "OFF" should energize the TCC solenoid. This test checks the capability of the ECM to control