Circuit/System Testing

Verify that no DTCs are set, except DTC B1A37.
- If any other DTC is set, except DTC B1A37
  Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Go to next step: If only DTC B1A37 is set
Replace the S70R Steering Wheel Controls Switch - Right.
Verify DTC B1A37 does not set when operating the vehicle within the conditions for running the DTC.
- If the DTC sets
  Replace the P16 Instrument Cluster.
- Go to next step: If the DTC does not set
All OK.