Checking components and wiring

Check the power supply cable between accessory control module terminal #B6 and the back-up (reversing) warning system connector. Check for a short-circuit to supply voltage.

Remedy as necessary.

Other information: 

• To connect the breakout box, see Connecting the breakout box. Accessory electronic module
• To access or replace the accessory electronic module and connector, see Replacing the accessory electronic module
• For information about signals, see Signal description. Accessory electronic module (AEM)
• To access or replace the back-up (reversing) warning system, see Back-up warning sensor, replacing
• To fault-trace wiring and terminals see Contents

Fig 1: Identifying Accessory Electronic Module Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

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  Refer to Verification