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
- CHECK MAP DISC
- Check that the map disc is not deformed or cracked.
OK:
No deformations or cracks on map disc.
NG: REPLACE MAP DISC
OK: Go to next step
- Check that the map disc is not deformed or cracked.
- CHECK DISPLAY
- Check that displays other than the navigation display are complete.
OK:
No other incomplete displays are found.
NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
OK: REPLACE NAVIGATION ECU
- Check that displays other than the navigation display are complete.
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.
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