Checking The Signal Cable

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS CORPORATION

Check the cable between the position sensor and the Convertible Roof Module (CRM). Check for an open-circuit. Check for a short-circuit to ground.

• Check the connector. Check for contact resistance. Check for oxidation. Check for loose connections.
• Check the cable between the Convertible Roof Module (CRM) terminal #D6 (#A36) and position sensor 17 (front roof section). Check for a short-circuit to ground or an open-circuit.

Replace the signal cable if a fault is found.

If no malfunctions were detected when checking the signal cable, try replacing position sensor.

Remedy as necessary.

Other information 

• see SIGNAL SPECIFICATION
• see CHECKING WIRING AND TERMINALS
• see CONVERTIBLE TOP POSITION SENSOR

Fig 2: Identifying Connector Terminals

Courtesy of VOLVO CARS CORPORATION

Fig 3: Identifying Convertible Roof Position Sensor

Courtesy of VOLVO CARS CORPORATION

Was a fault detected? 

• YES 

  Refer to VERIFICATION 

• NO 

  Refer to REPLACING THE CONTROL MODULE