How To Proceed With Troubleshooting
- VEHICLE BROUGHT TO WORKSHOP
- PROBLEM SYMPTOM CONFIRMATION
- CHECK MULTIPLEX COMMUNICATION SYSTEM
Refer to the HOW TO PROCEED WITH TROUBLESHOOTING .
- Check for output DTCs.
Result
CONDITION REFERENCE CHARTCondition Proceed to MPX DTC is not output A MPX DTC is output B HINT:
The hybrid vehicle control ECU of this system is connected to the multiplex communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the multiplex communication system.
B: PROCEED TO "MULTIPLEX COMMUNICATION SYSTEM"
A: Go to next step
- CHECK CAN COMMUNICATION SYSTEM
Refer to the PRECAUTION .
- Check for output DTCs.
Result
CONDITION REFERENCE CHARTCondition Proceed to CAN DTC is not output A CAN DTC is output B HINT:
The hybrid vehicle control ECU of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN communication system.
B: PROCEED TO " CAN COMMUNICATION "
A: Go to next step
- DTC CHECK AND CLEAR
Refer to the DTC CHECK / CLEAR .
- DTC CHECK (OTHER THAN MPX AND CAN SYSTEM DTC)
Refer to the DTC CHECK / CLEAR .
Result
CONDITION REFERENCE CHARTCondition Proceed to DTC is not output A DTC is output B A: GO TO STEP 8
B: Go to next step
- DTC CHART
Refer to the DIAGNOSTIC TROUBLE CODE CHART .
NEXT: GO TO STEP 11
- PROBLEM SYMPTOM SIMULATION
Result
CONDITION REFERENCE CHARTCondition Proceed to Fault is not listed in problem symptoms table A Fault is listed in problem symptoms table B B: GO TO STEP 10
A: Go to next step
- SYMPTOM SIMULATION
Refer to the electronic circuit inspection procedure (See ROAD TEST ).
- PROBLEM SYMPTOMS TABLE
Refer to the PROBLEM SYMPTOMS TABLE .
- CIRCUIT INSPECTION
- TERMINALS OF ECU
Refer to the TERMINALS OF ECU .
- IDENTIFICATION OF PROBLEM
- REPAIR OR REPLACE
- CONFIRMATION TEST
END