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.
Multi Function Display
- Normal type i122
Terminal No. Item Measuring condition Standard 1 (+B) β Chassis ground Voltage Always 10 - 14 V 2 (IG) β Chassis ground Voltage IG OFF β ON 0 V β 10 - 14 V 3 (GND) β Chassis ground Resistance Always Less than 1 Ξ© 4 (MFD SW+) β Chassis ground Voltage SW OFF β ON 10 - 14 V β 0 V 8 (U-ART com.) - Cannot be measured - - High grade type
For the specification (electrical component), refer to the "Control Module I/O Signal" of the "MULTIFUNCTION DISPLAY (DIAGNOSTICS)" information. Ref. to MULTI-FUNCTION DISPLAY (DIAGNOSTICS)>CONTROL MODULE I/O SIGNAL>ELECTRICAL SPECIFICATION .
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:
- 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.
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