Test I: Transmission Control Switch (TCS) Is Not Operating Correctly

PINPOINT TEST I: TRANSMISSION CONTROL SWITCH (TCS) IS NOT OPERATING CORRECTLY

Test I1-I4:

Test I5:

Normal Operation
When the TCS switch is depressed the transmission will either disengage or engage the overdrive function.

Possible Causes
When the rear switch is depressed and the transmission will not disengage or engage the overdrive function, the possible causes arc:
- Blown fuse
- Short to ground
- Short to open Faulty switch Wiring, terminals or connector L