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Home >> Volvo >> 2010 >> XC90 R-Design, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Electrical Accessories And Switches - Symptom Related Diagnostic Procedures >> Checking The Contact Reel (2003-2004) >> Checking The Contact Reel >> Checking Components And Wiring

Checking Components And Wiring

Disconnect the contact reel from the steering wheel module (SWM).

Take resistance readings between terminals #B1 and #B2. The resistance must be infinite.

Take resistance readings between terminals #B1 and #B3. The resistance must be infinite.

Take resistance readings between terminals #B2 and #B3. The resistance must be infinite.

Check the cable between terminal #B1 and contact reel terminal #1. Check for an open-circuit.

Check the cable between terminal #B2 and contact reel terminal #2. Check for an open-circuit.

Check the cable between terminal #B3 and contact reel terminal #3. Check for an open-circuit.

Remedy as necessary.

Other information: 

Fig 1: Breakout Box
GLL100304Courtesy of VOLVO CARS CORPORATION
Fig 2: Identifying Ohm Meter
GLL101042Courtesy of VOLVO CARS CORPORATION