Judge as NG if the criteria below are met.

Judgment value

JUDGMENT VALUE SPECIFICATION 1

Malfunction Criteria	Threshold Value
(1) Throttle minimum stop position	≥ 2.2 V

JUDGMENT VALUE SPECIFICATION 2

Malfunction Criteria	Threshold Value
(2) The learned value of accelerator pedal position in back-up RAM area 1	not equal The learned value of accelerator pedal position in backup RAM area 2

JUDGMENT VALUE SPECIFICATION 3

Malfunction Criteria	Threshold Value
(3) The sum of back-up RAM at the ECM shut down	not equal The sum of back-up RAM at the ECM powered-on

JUDGMENT VALUE SPECIFICATION 4

Malfunction Criteria	Threshold Value
(4) Communication between main CPU and sub CPU	Lost

JUDGMENT VALUE SPECIFICATION 5

Malfunction Criteria	Threshold Value
(5) The calculated data of throttle control by main CPU	not equal The calculated data of throttle control by sub CPU

JUDGMENT VALUE SPECIFICATION 6

Malfunction Criteria	Threshold Value
(6) The calculated data by main CPU	not equal The calculated data by FPU

Time needed for diagnosis:

Judgment1, 2, 3, 4, 5: Less than 1 s

Judgment6: 200 ms

Malfunction indicator light illumination: Illuminates as soon as a malfunction occurs.

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.

Safety Warning

Diagnostic Method