Inspection Procedure
WIRING DIAGRAMPROCEDURE
1. Check voltage between terminal ACT of engine control module and body ground.
- Turn up the floor mat on the passenger side.
- Turn ignition switch ON.
- Measure voltage between terminal ACT of engine control module and body ground when A/C switch is turned to ON.
OK if voltage is 9 - 14 volts.
^ If OK check and replace engine control module.
^ If not OK proceed to step 2.
2. Check for open and short in harness and connector between engine control module and A/C amplifier.
^ If OK check and replace A/C amplifier.
^ If not OK repair or replace harness or connector.