Checking the high level stop lamps

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2009 Volvo S60, 2008 Volvo S60, 2007 Volvo S60, 2006 Volvo S60, and 2005 Volvo S60. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition off.
Check the central electronic module (CEM) and the high-mounted stop lamp connectors. Check for contact resistance and oxidation. Check for loose connections. Check for damage carefully.

Check the power supply cable between central electronic module (CEM) terminal #5B (#A25) and brake light connector terminal #1. Check for an open-circuit. Check for a short-circuit to supply voltage.

Check the ground lead between brake light connector terminal #5 and the ground terminal. Check for an open-circuit. Check for a short-circuit to supply voltage.

Try a new brake light if no faults were found.

Remedy as necessary.

Other information:
- To access / replace the high mounted stop lamp, see Stop lamp, rear windshield, replacing
- To access the central electronic module (CEM), see Central electronic module (CEM), replacing
- To connect the breakout box, see Connecting the breakout box
- For information about signals, see Signal specification
- See Checking wiring and terminals
- For further information about the cables and ground terminals, see the Wiring Diagram.
Fig 2: Identifying Breakout Box
Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Ohmmeter
Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 4: Identifying 10 Pin Connector Terminals
Courtesy of VOLVO CARS OF NORTH AMERICA.

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Refer to Verification