V70 L5-2.5L Turbo VIN 59 B5254T2 (2004)
Fault-tracing information
Condition
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No PHM DTCs are stored in the Central electronic module (CEM).
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No DTCs are stored in the Steering wheel module (SWM).
Possible source
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Open-circuit, short-circuit to supply voltage or short-circuit to ground in the cable.
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Faulty contact reel.
Fault symptom[s]
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Steering wheel keypads does not work
Checking the Contact Reel
Checking the contact reel
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:
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For information about signals, see Signal specification See: Pinout Values and Diagnostic Parameters/Signal Specification, Steering Wheel
Module (SWM)
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To connect the breakout box, see Connecting the breakout box See: Pinout Values and Diagnostic Parameters/Connecting the Breakout Box,
Steering Wheel Module (SWM)
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To access or replace the contact reel, see Contact reel / steering wheel angle sensor, replacing See: Restraint Systems/Air Bag
Systems/Clockspring Assembly / Spiral Cable/Service and Repair/Removal and Replacement/Contact Reel / Steering Wheel Angle Sensor,
Replacing
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Checking wiring and terminals See: Testing and Inspection/Component Tests and General Diagnostics/Checking Wiring and Terminals/Checking
Wiring And Terminals.