FixVault

5. CMP Signal Circuit Open

With the ignition off.

Measure the resistance of the CMP Signal circuit from the CMP Sensor harness connector to the PCM harness connector.

Fig 1: Measuring Resistance Of CMP Signal Circuit
G01860115Courtesy of DAIMLERCHRYSLER CORP.

Is the resistance below 5.0 ohms? 

  1. Yes  >> Go To 6

    See POWERTRAIN VERIFICATION TEST - VER 2  .

  2. No  >> Repair the CMP Signal circuit for an open.

    See POWERTRAIN VERIFICATION TEST - VER 2  .