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.
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HOMESERVICE MANUALSTOYOTA20254RUNNER SR5, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM (EXCEPT HEV) - DIAGNOSTIC CODES (P148D-P21CF)SFI SYSTEM (FOR GASOLINE MODEL)DTC P1610-09: CONTROL MODULE PROCESSOR (BRAKE OVERRIDE SYSTEM INPUT SIGNAL) COMPONENT FAILURE [12/2024 - ]CONFIRMATION DRIVING PATTERN
2025 Toyota 4Runner SR5, 4WD
Confirmation Driving Pattern
2025 Toyota 4Runner SR5, 4WDSECTION Confirmation Driving Pattern
By performing a confirmation drive, you can confirm the reoccurrence of DTC.
WARNING:
When performing the confirmation driving pattern, obey all speed limits and traffic laws.
- Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
- Turn the ignition switch off and wait for at least 30 seconds.
- Turn the ignition switch to ON [A].
- Start the engine.
- Accelerate the vehicle to 30 km/h (18.65 mph) or more, depress the brake pedal and decelerate the vehicle to 3 km/h (1.86 mph) or less [B]. Repeat step [B] 5 times.
- Drive the vehicle at 40 km/h (25 mph) or more for 60 seconds or more [C].
- Read the pending DTCs.
HINT:
- If a pending DTC is output, the system is malfunctioning.
- If a pending DTC is not output, perform the following procedure.
- Enter the following menus: Powertrain / Engine / Utility / All Readiness.
- Input the DTC: P1610-09.
- Check the DTC judgment result.
HINT:
- If the judgment result is NORMAL, the system is normal.
- If the judgment result is ABNORMAL, the system is malfunctioning.
- If the judgment result is INCOMPLETE, perform steps [A] through [C].
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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.