July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Checking Wiring And Sensors

Fig 1: Identifying Ignition OFF

GLL101045

Courtesy of VOLVO CARS CORPORATION

Fig 2: Disconnecting Control Unit

GLL101002

Courtesy of VOLVO CARS CORPORATION

Ignition off
The control module for the steering wheel angle sensor disconnected
Steering wheel module (SWM) disconnected
Connect the breakout box to the control module for the steering wheel angle sensor and to the steering wheel module (SWM)
Check the wiring between the control module for the steering wheel angle sensor terminal #12 (#A36) and steering wheel module (SWM) terminal #13 (#A13). Check for a short-circuit to ground according to SHORT-CIRCUIT TO GROUND, PERMANENT FAULTS . Check for an open-circuit according to OPEN-CIRCUIT, PERMANENT FAULTS .

Try replacing the steering wheel angle sensor if no faults are found in the wiring between the control module for the steering wheel angle sensor and the steering wheel module (SWM).

Other information:
- To connect the breakout box to the control module for the steering wheel angle sensor, see STEERING WHEEL MODULE (SWM), REPLACING
- To connect the breakout box to the steering wheel module (SWM), see CONNECTING THE BREAKOUT BOX
- To replace the steering wheel angle sensor, see CONTACT REEL, REPLACEMENT
- For information about signals, see SIGNAL DESCRIPTION, CONTROL UNIT FOR THE STEERING WHEEL ANGLE SENSOR (SAS) and SIGNAL SPECIFICATION .
Fig 3: Breakout Box
Courtesy of VOLVO CARS CORPORATION

Fig 4: Identifying Ohm Meter
Courtesy of VOLVO CARS CORPORATION

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Refer to VERIFICATION