Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Inspection Procedure
- INSPECT CAN COMMUNICATION SYSTEM (SEE CAN COMMUNICATION SYSTEM - DIAGNOSIS
)
- Is the DTC output for CAN communication system?
Result:
DIAGNOSTIC TROUBLE CODES OUTPUTResult Go To DTC is not output A DTC is output B B: REPAIR CAN COMMUNICATION SYSTEM (SEE CAN COMMUNICATION SYSTEM - DIAGNOSIS )
A: GO TO NEXT STEP
- INSPECT MULTIPLEX COMMUNICATION SYSTEM (SEE MULTIPLEX COMMUNICATION SYSTEM - DIAGNOSIS )
- Is the DTC output for Multiplex communication system?
Result:
| Result | Go To |
|---|---|
| DTC is not output | A |
| DTC is output | B |
B: REPAIR MULTIPLEX COMMUNICATION SYSTEM (SEE MULTIPLEX COMMUNICATION SYSTEM - DIAGNOSIS )
A
REPAIR OR REPLACE COMBINATION METER ASSY (SEE COMBINATION METER - DIAGNOSIS )
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.