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.
Special Repair Requirement
- SAVING VEHICLE SPECIFICATION
CONSULT Configuration
Perform "Before Replace ECU", and save the current vehicle specification in CONSULT.
Is the vehicle specification saved normally?
YES
GO TO STEP 2 .
NO
GO TO STEP 4 .
- REPLACE NAVI CONTROL UNIT
Replace NAVI control unit. Refer to REMOVAL AND INSTALLATION .
GO TO STEP 3 .
- WRITING VEHICLE SPECIFICATION
CONSULT Configuration
Select "Configuration" or "After Replace ECU", and write the vehicle specification saved in CONSULT to NAVI control unit.
GO TO STEP 6 .
- REPLACE NAVI CONTROL UNIT
Replace NAVI control unit. Refer to REMOVAL AND INSTALLATION .
GO TO STEP 5 .
- WRITE VEHICLE SPECIFICATION
CONSULT Configuration
Select "Manual Configuration", and write the setting value as shown in the following table to NAVI control unit according to the vehicle specification.
CAUTION:Grasp vehicle specifications precisely. The control of ECU may not function normally if the specifications are misread.
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.