If some DTCs are displayed at the same time, perform inspections one by one based on the following priority chart.

Priority
Detected items (DTC)
1
  • U1000: CAN COMM CIRCUIT
  • U1010: CONTROL UNIT (CAN)
2
  • B257B: AMB TEMP SEN SHORT
  • B257C: AMB TEMP SEN OPEN
  • B2578: IN CAR SENSOR SHORT
  • B2579: IN CAR SENSOR OPEN
  • B2581: EVAP TEMP SEN SHORT
  • B2582: EVAP TEMP SEN OPEN
  • B2630: SUNLOAD SEN SHORT
  • B2631: SUNLOAD SEN OPEN
  • B2632: DR AIRMIX ACTR SHORT
  • B2633: DR AIRMIX ACTR OPEN
  • B2634: PASS AIRMIX ACTR SHORT
  • B2635: PASS AIRMIX ACTR OPEN
  • B2636: DR VENT DOOR FAIL
  • B2637: DR B/L DOOR FAIL
  • B2638: DR D/F1 DOOR FAIL
  • B2639: DR DEF DOOR FAIL
  • B263D: FRE DOOR FAIL
  • B263E: 20P FRE DOOR FAIL
  • B263F: REC DOOR FAIL
  • B2654: D/F2 DOOR FAIL
  • B2655: B/L2 DOOR FAIL