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.
Diagnosis Procedure
- CHECK DTC WITH "COMBINATION METER"
Refer to "CONSULT FUNCTION (METER/M&A) ".
Is the inspection result normal?
YES: GO TO 2.
NO: Perform trouble diagnosis relevant to DTC indicated.
- CHECK S-MODE SWITCH POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect S-MODE switch harness connector.
- Turn ignition switch ON.
- Check the voltage between S-MODE switch harness connector and ground.
S-MODE switch Ground Voltage Connector Terminal M255 2 Ground Battery voltage Is the inspection result normal?
YES: GO TO 4.
NO: GO TO 3.
- DETECT MALFUNCTIONING PART
Check the following.
- Harness connectors M98, M252
- Fuse block (J/B) connector M1
- 10 A fuse (No. 3)
- Harness for open or short between S-MODE switch and fuse
Repair open circuit, short to ground or short to power in harness or connectors.
- CHECK S-MODE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
- Turn ignition switch OFF.
- Disconnect combination meter harness connector.
- Check the continuity between S-MODE switch harness connector and combination meter harness connector.
S-MODE switch Combination meter Continuity Connector Terminal Connector Terminal M255 1 M53 12 Existed - Also check harness for short to ground and short to power.
Is the inspection result normal?
YES: GO TO 6.
NO: GO TO 5.
- DETECT MALFUNCTIONING PART
Check the following.
- Harness connectors M98, M252
- Harness for open or short between S-MODE switch and combination meter
Repair open circuit, short to ground or short to power in harness or connectors.
- CHECK S-MODE SWITCH
Refer to "COMPONENT INSPECTION ".
Is the inspection result normal?
YES: GO TO 7.
NO: Replace S-MODE switch.
- CHECK INTERMITTENT INCIDENT
Refer to INTERMITTENT INCIDENT .
INSPECTION END
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.