BTSI Control Always On With Ignition On
NOTE:
Ensure Park/Neutral Position (PNP) switch is adjusted properly. See appropriate AUTOMATIC TRANSMISSION SERVICING article in TRANSMISSION SERVICING. Verify system operation after performing any repairs. See SYSTEM OPERATION CHECK under TROUBLE SHOOTING.
- Disconnect brakelight switch. Turn ignition on, engine off. Depress and hold brake pedal. Attempt to move gearshift lever from "P" position. If gearshift lever moves from "P" position, go to step 4. If gearshift lever does not move from "P" position, go to next step.
- Turn ignition off. Disconnect BTSI solenoid. Turn ignition on, engine off. Depress and hold brake pedal. Attempt to move gearshift lever from "P" position. If gearshift lever moves from "P" position, go to next step. If gearshift lever does not move from "P" position, go to step 5.
- Repair short to battery voltage in brakelight switch signal circuit.
- Inspect for poor connections at brakelight switch. Repair as necessary. If condition was not corrected, replace brakelight switch.
- Inspect for poor connections at BTSI solenoid. Repair as necessary. If condition was corrected, replace BTSI solenoid.