7. Sci Transmit Circuit Open

Turn the ignition off.

Measure the resistance of the PCM SCI Transmit circuit from the PCM harness connector to the DLC.

Fig 1: Measuring Resistance Of PCM SCI Transmit Circuit From PCM Harness Connector To DLC

Courtesy of DAIMLERCHRYSLER CORP.

Is the resistance below 5.0 ohms? 

1. Yes  >> Go to 8
2. No  >> Repair the PCM SCI Transmit circuit for an open.

   Perform POWERTRAIN VERIFICATION TEST - VER 2 in ENGINE - ELECTRICAL DIAGNOSTICS article.