Checking the wiring

Fig 1: Identifying Ignition OFF

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Fig 2: Identifying Connectors

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Fig 3: Identifying Control Module Disconnected

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• Ignition off
• Control module disconnected
• Connect the breakout box to the control module connector (transmission side)
• Disconnect the transmission connector
• Adapter 9511505 and breakout box 9511428 connected to the transmission connector (control module side).

  Check the wiring between control module terminal #A51 (#A51) and transmission connector terminal #T (#A17). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage.

  Check the wiring between control module terminal #A53 (#A53) and transmission connector terminal #E (#A5). Check for an open-circuit. Check for a short-circuit to ground. Check for a short-circuit to supply voltage.

  Remedy as necessary.

  Other information: 

  • To connect the breakout box, see Connecting the breakout box
  • To connect the breakout box to the transmission connector, see Connecting the breakout box, GM automatic transmissions
  • For information about signals, see Signal specification
  • See Checking wiring and terminals. Permanent fault
  Fig 4: Identifying Ohms Display

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Was a fault detected? 

• YES 

  Refer to Checking diagnostic trouble codes (DTCs) 

• NO 

  Refer to Checking the wiring and component