Operation CHARM: Car repair manuals for everyone.

Troubleshooting


1. If compressor does not operate, proceed as follows:
a. Perform ``ELC Relay & Compressor Motor Test.''
b. Perform ``Actuator Arm Test.''
c. Perform ``ELC Height Sensor Test.''
2. If system does not exhaust, proceed as follows:
a. Perform ``Exhaust Solenoid Test.''
b. Perform ``Actuator Arm Test.''
c. Perform ``ELC Height Sensor Test.''
3. If system runs continuously and vehicle raises but does not leak down, proceed as follows:
a. Perform ``Actuator Arm Test.''
b. Disconnect electrical connector from height sensor. If compressor does not run, replace height sensor. If compressor runs, check circuit 321 (yellow wire) for a short to ground. If circuit is satisfactory, replace ELC relay.
4. If compressor runs for 2 1/2 minutes and shuts off, and vehicle does not raise or raises, then leaks down, proceed as follow:
a. Perform ``Actuator Arm Test.''
b. Perform ``Exhaust Solenoid Short Test.''
5. If system exhausts continuously, proceed as follows:
a. Perform ``Actuator Arm Test.''
b. Perform ``Exhaust Solenoid Short Test.''
6. If system malfunction is not described in steps 1 through 5, perform all ensuing tests.