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.
How To Proceed With Troubleshooting
*: Use Techstream.
- VEHICLE BROUGHT TO WORKSHOP
- CUSTOMER PROBLEM ANALYSIS
- CHECK AND CLEAR DTCS AND FREEZE FRAME DATA*
- PROBLEM SYMPTOM CONFIRMATION
SYMPTOM DOES NOT OCCUR: GO TO STEP 5
SYMPTOM OCCURS: GO TO STEP 6
- SYMPTOM SIMULATION
- DTC CHECK*
THERE IS NO OUTPUT: GO TO STEP 7
THERE IS OUTPUT: GO TO STEP 8
- PROBLEM SYMPTOMS TABLE
CHECK FOR FLUID LEAKAGE AND GO TO STEP 10
- DTC CHART
- CIRCUIT INSPECTION*
HINT:
When 2 or more DTCs are recorded, and the problem is not identified, perform circuit inspection of the other DTCs.
- IDENTIFICATION OF PROBLEM
- REPAIR
- CONFIRMATION TEST*
NEXT : END
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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.