Checking components and wiring

HINT: The voltage between the mode selector terminals #1, #2 and #7 and ground must be 10-12 V when the connector is disconnected and the ignition is on. 

Check the signal cables between mode selector terminals #1, #2 and #7 and the combined instrument panel terminals #A3, #A5 and #A6. Check for a short-circuit to ground according to Short-circuit to ground, permanent faults .

Remedy as necessary.

Other information: 

• To connect the breakout box, see Connecting the breakout box
• To access and replace the combined instrument panel, see Driver information module (DIM), installation/removal, component replacement
• To access or replace the trip computer control panel, see Front door module
• For information about signals, see Signal specification .

Fig 1: Identifying Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Trip Computer Reset Button

Courtesy of VOLVO CARS OF NORTH AMERICA.

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  Refer to Verification