Circuit/System Verification

Ignition ON.
Verify that DTC U0100 is not set.
- If DTC U0100 is set
  Refer to DTC U0100-U02FF (without HP6) , DTC U0100-U02FF (with HP6) .
- If DTC U0100 is not set
Verify that DTC U0073, U0074, U1814, B1428, B1370, B1380, B1440, B1441, B1325, or P0562 is not set.
- If any of the DTCs are set
  Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- If none of the DTCs are set
Refer to Circuit/System Testing .