How To Proceed With Troubleshooting
HINT:
*: Use the Techstream.
- VEHICLE BROUGHT TO WORKSHOP
- INSPECT BATTERY VOLTAGE
Standard voltage: 11 to 14 V
If the voltage is below 11V, recharge or replace the battery before proceeding.
- CHECK MULTIPLEX COMMUNICATION SYSTEM*
- Check for DTCs (see
DTC CHECK / CLEAR
).
Result
RESULT REFERENCEResult Proceed to DTC is not output A DTC is output B
B: GO TO MULTIPLEX COMMUNICATION SYSTEM
A: Go to Next Step
- Check for DTCs (see
DTC CHECK / CLEAR
).
- CHECK CAN COMMUNICATION SYSTEM*
B: GO TO CAN COMMUNICATION SYSTEM
A: Go to Next Step
- CHECK DTC*
- Check for DTCs.
- Clear the DTCs.
- Recheck for DTCs.
- Simulate the malfunction and check if the DTCs are output again (see DTC CHECK / CLEAR
).
Result
RESULT REFERENCEResult Proceed to DTC is output A DTC is not output B DTCs are not output, and the malfunction can not be simulated or checked. C
- Simulate the malfunction and check if the DTCs are output again (see DTC CHECK / CLEAR
).
B: GO TO STEP 10
C: SYMPTOM SIMULATION
A: Go to Next Step
- DTC CHART
- CIRCUIT INSPECTION
- REPAIR
- CONFIRMATION TEST
NEXT: END
- PROBLEM SYMPTOMS TABLE
- CIRCUIT INSPECTION
- CONFIRMATION TEST
NEXT: END