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Home >> Chrysler >> 2004 >> Crossfire Standard >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Vehicle Theft Security System >> Vehicle Theft Security - Electrical Diagnostics >> Diagnosis And Testing >> No Communication With BCM And Central Locking Pump/Security System Module >> Diagnostic Test >> 2. Measure The Resistance Of The Can B Bus (-) Circuit

2. Measure The Resistance Of The Can B Bus (-) Circuit

Measure the resistance of the CAN B Bus (-) circuit from the CLP/SSM harness connector to the BCM harness connector.

Fig 1: Measuring Resistance Of CAN Bus (-) Circuit
G01839220Courtesy of DAIMLERCHRYSLER CORP.

Is the resistance below 1.0 ohm? 

  1. Yes  >> Replace the Central Locking Pump/Security System Module. See SECURITY SYSTEM MODULE  .

    See VTSS VERIFICATION TEST  .

  2. No  >> Repair the CAN B Bus (-) circuit for an open.

    See VTSS VERIFICATION TEST  .

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