ACCELERATION PEDAL POSITION SENSOR (APS)

APS senses the driver's acceleration input and sends it to ECM. Using the signal, ECM decides the fuel injection quantity and ignition timing.

SENSOR INSPECTION
1.

Connect voltmeter to the terminals 1 and 4 of APS1 connector.

2.

Supply the terminal 3 with DC 5V.

3.

Check the voltage between the terminals 1 and 4.

Idle : 0.7 ~ 0.8V

WOT : 3.8 ~ 4.4V

4.

Disconnect the voltmeter and supply the terminal 6 with DC 5V.

5.

Connect voltmeter(B) to the terminals 2 and 5 of APS2 connector(A).

6.

Check the voltage between the terninals 2 and 5.

Idle : 0.27 ~ 0.48V

WOT : 1.75 ~ 2.35V

WIRING HARNESS INSPECTION

Refer to P0120, P0123, P0220, P0223, P2135 DTC inspection procedures.

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