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 Accelerator Pedal Sensor Area (Method With Circuit Tester)
- Disconnect the ground terminal from battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
- Disconnect the ECM connector. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>ENGINE CONTROL MODULE (ECM)>REMOVAL .
- Attach the ST between ECM and the engine wiring harness and the bulkhead harness. Ref. to ENGINE (DIAGNOSTICS) (H4DO)>GENERAL DESCRIPTION>PREPARATION TOOL>HOW TO USE CHECK BOARD
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Special tool:
CHECK BOARD (18460AA180)
- Connect the ground terminal to battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
- Turn the ignition switch to ON.
- Measure the voltage between ECM connector terminals.
Accelerator pedal sensor Accelerator pedal Terminal No. Standard Main Not depressed (full closed) 66 (+) - 55 (-) 0.3 - 1.1 V Depressed (full opened) 2.3 - 3.8 V Sub Not depressed (full closed) 64 (+) - 65 (-) 0.3 - 1.1 V Depressed (full opened) 2.3 - 3.8 V - After inspection, restore the vehicle to its original state.
Use the Manual With the Right Hardware
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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.
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