How To Proceed With Troubleshooting [11/2021 - 10/2023]: Procedure
- VEHICLE BROUGHT TO WORKSHOP
Result
Proceed to NEXT Result:
NEXT
See step 2
- INSPECT AUXILIARY BATTERY VOLTAGE
- Measure the auxiliary battery voltage with the power switch off.
Standard voltage
11 to 14 V
If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.
- Check the fuses and relays.
- Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.
Result
Proceed to NEXT
Result:
NEXT
See step 3
- Measure the auxiliary battery voltage with the power switch off.
- CHECK CAN COMMUNICATION SYSTEM
- Check if the CAN communication system is functioning normally.
HINT:
Refer to CAN Bus Check in CAN Communication System.
Refer to DIAGNOSIS SYSTEM [11/2021 - 10/2022] , or refer to DIAGNOSIS SYSTEM [10/2022 - 10/2023]
OK
CAN communication system is functioning normally.
Result
Proceed to OK NG
Result:
NG
GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - 10/2023]
Result:
OK
See step 4
- Check if the CAN communication system is functioning normally.
- CHECK DTC (ETHERNET COMMUNICATION SYSTEM)*
HINT:
Refer to DTC Check / Clear.
Refer to DTC CHECK / CLEAR [11/2021 - ]
- Turn the power switch on (IG) and wait for at least 5 minutes.
- Check for DTCs.
Body Electrical > Ethernet Switch1 > Trouble Codes
Body Electrical > Ethernet Switch2 > Trouble Codes
Result
Result Proceed to No DTCs output from Ethernet switch 1 and Ethernet switch 2 A DTC output from Ethernet switch 1 or Ethernet switch 2 B
Result:
B
GO TO ETHERNET COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - 10/2023]
Result:
A
See step 5
- CHECK DTC*
HINT:
Refer to DTC Check / Clear.
Refer to DTC CHECK / CLEAR [11/2021 - ]
- Check for DTCs and note any codes that are output.
Body Electrical > Spatial Information Service > Trouble Codes
- Clear the DTCs.
Body Electrical > Spatial Information Service > Clear DTCs
- Recheck for DTCs. Try to reproduce the DTCs by duplicating the conditions indicated by the DTCs.
Body Electrical > Spatial Information Service > Trouble Codes
Result
Result Proceed to DTCs are not output A DTCs are output B
Result:
B
GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART [11/2021 - 10/2023]
Result:
A
See step 6
- Check for DTCs and note any codes that are output.
- CHECK FOR VEHICLE CONTROL HISTORY (RoB)*
- Check for vehicle control history (RoB) and note any codes that are output.
Body Electrical > Spatial Information Service > Utility
Tester Display Vehicle Control History (RoB) - If the vehicle control history (RoB) is output, record it.
Result
Result Proceed to Vehicle control history (RoB) is not output A Vehicle control history (RoB) is output B
Result:
B
GO TO VEHICLE CONTROL HISTORY (RoB). Refer to VEHICLE CONTROL HISTORY (RoB) [11/2021 - 10/2022] , or refer to VEHICLE CONTROL HISTORY (RoB) [10/2022 - 10/2023]
Result:
A
See step 7
- Check for vehicle control history (RoB) and note any codes that are output.
- OVERALL ANALYSIS AND TROUBLESHOOTING
- Data List / Active Test
Refer to DATA LIST / ACTIVE TEST [11/2021 - ]
- Terminals of ECU
Refer to TERMINALS OF ECU [11/2021 - ]
Result
Proceed to NEXT
Result:
NEXT
See step 8
- Data List / Active Test
- ADJUST, REPAIR OR REPLACE
Result
Proceed to NEXT Result:
NEXT
See step 9
- CONFIRMATION TEST
Result
Proceed to NEXT Result:
NEXT
END