4. Apps #1 Signal Circuit Open

Turn the ignition off.

Disconnect the PCM C4 harness connectors.

NOTE: Check connectors - Clean/repair as necessary.

Measure the resistance of the APPS #1 Signal circuit from the APPS harness connector to the PCM C4 harness connector terminal.

Fig 1: Measuring Resistance Of APPS #1 Circuit

Courtesy of DAIMLERCHRYSLER CORP.

Is the resistance below 5.0 ohms?

Yes >> Go To 5
No >> Repair the APPS #1 Signal circuit for an open.
See POWERTRAIN VERIFICATION TEST - VER 2 .