Judge as OK and clear the NG when the malfunction criteria below are met.

Judgment Value

JUDGMENT VALUE REFERENCE CHART

Malfunction Criteria	Threshold Value
(1) Difference of CPU reading value of the throttle position sensor signal	Within 0.116 V
(2) Difference of CPU read value of the accelerator position sensor signal	Within 0.0615 V
(3) WD pulse from sub CPU	WD pulse occur
(4) Communication between CPU	Possible to communicate
(5) Difference of signal on connection of amplifier	Within X 4 ±0.56 V
(6) Cruise control cancel signal at brake ON	Cruise control cancel signal ON
(7) Brake switch 1,2 signal	SW 1 and 2 are matched
(8) Throttle opening angle directing value	Within the opening angle +3.5° which calculated from accelerator opening angle coefficient
(9) Comparison of calculation results and expected value against fixed input data	Comparison mismatched
(10) Process counter	Larger than section number

Time Needed for Diagnosis:

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