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.
Check Clock System Communication Circuit
- CHECK POWER SUPPLY
.
- Disconnect the MFD connector.
- Turn the ignition switch to ON.
- Measure the voltage between MFD connector and chassis ground.
Connector and terminal
(i122) No. 2 (+) - Chassis ground (-):
Is the voltage 10 V or more?
Yes
Go to 2 .
No
Repair or replace the harness.
- CHECK GROUND CIRCUIT
.
Measure the resistance between MFD connector and chassis ground.
Connector and terminal
(i122) No. 3 - Chassis ground:
Is the resistance less than 10 Ω?
Yes
Go to 3 .
No
Repair or replace the harness.
- CHECK HARNESS BETWEEN MFD AND COMBINATION METER ASSEMBLY
.
- Disconnect the connector of combination meter assembly.
- Check the harness between MFD and combination meter assembly.
Connector and terminal
(i122) No. 8 - (i10) No. 11:
Is harness normal?
Yes
Go to 4 .
No
Repair or replace the harness.
- CHECK MFD
.
- Remove the MFD.
- Attach the clock to another vehicle on which the clock display operates normally, and check its operation.
Is MFD normal?
Yes
Repair the poor contact of connector.
No
Replace MFD.
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.
