How To Proceed With Troubleshooting [07/2020 - ]: Procedure
- VEHICLE BROUGHT TO WORKSHOP
Result
Proceed to NEXT Result:
NEXT
See step 2
- INSPECT BATTERY VOLTAGE
- Measure the battery voltage with the engine switch off.
Standard voltage
11 to 14 V (Engine switch off)
If the voltage is below 11 V, replace or recharge the battery before proceeding to the next step.
Result
Proceed to NEXT
Result:
NEXT
See step 3
- Measure the battery voltage with the engine switch off.
- CHECK CAN COMMUNICATION SYSTEM*
- Using the Techstream, check if the CAN communication system is functioning normally.
HINT:
Refer to CAN Bus Check in CAN Communication System.
Refer to DIAGNOSIS SYSTEM [07/2020 - 11/2021] , or refer to DIAGNOSIS SYSTEM [11/2021 - 10/2022] , or refer to DIAGNOSIS SYSTEM [10/2022 - 05/2023] , or refer to DIAGNOSIS SYSTEM [05/2023 - ]
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 [07/2020 - 05/2023] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [05/2023 - ]
Result:
OK
See step 4
- Using the Techstream, check if the CAN communication system is functioning normally.
- CHECK FOR DTCs (HEATED STEERING WHEEL SYSTEM)*
HINT:
Refer to DTC Check / Clear.
Refer to DTC CHECK / CLEAR [07/2020 - ]
- Check for DTCs and note any codes that are output.
Body Electrical > Air Conditioner > Trouble Codes
- Clear the DTCs.
Body Electrical > Air Conditioner > Clear DTCs
- Recheck for DTCs. Try to reproduce the DTCs by duplicating the conditions indicated by the DTCs.
Body Electrical > Air Conditioner > Trouble Codes
Result
Result Proceed to Malfunction is duplicated but DTCs are not output A Malfunction cannot be duplicated and DTCs are not output B DTCs are output C
Result:
B
GO TO SYMPTOM SIMULATION. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2020 - ]
Result:
C
GO TO DIAGNOSTIC TROUBLE CODE CHART [07/2020 - ]
Result:
A
See step 5
- Check for DTCs and note any codes that are output.
- PROBLEM SYMPTOMS TABLE
HINT:
Refer to Problem Symptoms Table.
Refer to PROBLEM SYMPTOMS TABLE [07/2020 - 05/2023] , or refer to PROBLEM SYMPTOMS TABLE [05/2023 - ]
Result
Result Proceed to Fault is not listed in problem symptoms table. A Fault is listed in problem symptoms table. B Result:
B
See step 7
Result:
A
See step 6
- OVERALL ANALYSIS AND TROUBLESHOOTING
- Terminals of ECU
Refer to TERMINALS OF ECU [07/2020 - ]
- Data List / Active Test
Refer to DATA LIST / ACTIVE TEST [07/2020 - ]
Result
Proceed to NEXT
Result:
NEXT
See step 7
- Terminals of ECU
- REPAIR OR REPLACE
Result
Proceed to NEXT Result:
NEXT
See step 8
- CONFIRMATION TEST
Result
Proceed to NEXT Result:
NEXT
END