Checking Contact Reel

Checking contact reel

Checking the wires and components
Disconnect contact reel from SWM control unit.
Check resistance between B1 and B2. The resistance should be infinite.
Check resistance between B1 and B3. The resistance should be infinite.
Check resistance between B2 and B3. The resistance should be infinite.
Check wire B1 between contact reel 1 for an open circuit as described in Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Check wire B2 between contact reel 2 for an open circuit as described in Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Check wire B3 between contact reel 3 for an open circuit as described in Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Do the necessary corrective action.

Additional information:
- For information on signals, see Signal specification Signal Specification, Steering Wheel Module (SWM)
- To connect a test box, see Connecting the breakout box Connecting the Breakout Box, Steering Wheel Module (SWM)
- To access/replace the contact reel, see Contact reel / steering wheel angle sensor, replacing Contact Reel / Steering Wheel Angle Sensor, Replacing.









Is there a fault?

Yes - Fault Found

No - No Fault Found

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