Circuit/System Verification

Ignition - On / Vehicle - In Service Mode
Verify no other DTCs are present.
- If any other DTCs are present
  Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Go to next step: If no other DTCs are present
Verify DTC B123A or B123B is not current.
- If DTC B123A or B123B is current.
  Refer to Circuit/System Testing B123A or B123B.
- Go to next step: If DTC B123A or B123B is not current
Verify DTC B123C is not current.
- If DTC B123C is current.
  Refer to Circuit/System Testing B123C
- Go to next step: If DTC B123C is not current.
All OK.