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July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

5. Sci Receive Circuit Shorted To Ground

With the ignition off.

Measure the resistance between ground and the PCM SCI Receive circuit.

Fig 1: Measuring Resistance Between Ground & PCM SCI Receive Circuit
G01837919Courtesy of DAIMLERCHRYSLER CORP.

Is the resistance below 100 kohms? 

  1. Yes  >> Repair the PCM SCI Receive circuit for a short to ground.

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

  2. No  >> Go to 6
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