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.Β
- Disconnect the MFD connector.
- Turn the ignition switch to ON.
- Measure the voltage between MFD connector and chassis ground.
Connector and terminal.Β
(i122) No. 2 (+) - Chassis ground (-):
Is the voltage 10 V or more?
Yes: Go to Β 2.
No: Repair or replace the harness.
- CHECK GROUND CIRCUIT.Β
Measure the resistance between MFD connector and chassis ground.
Connector and terminal.Β
(i122) No. 3 - Chassis ground:
Is the resistance less than 10 Ξ©?
Yes: Go to Β 3.
No: Repair or replace the harness.
- CHECK MFD.Β
- 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.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.