Component Inspection
■ Accelerator Pedal Position Sensor Inspection
1.

Ignition switch "OFF"

2.

Connect VMI to GDS and set up the Oscilloscope.(2 Channel):

Channel A (+) : Pin No. 2 (APS 1 Signal) terminal (APS Harness Connector)

Channel A (-) : Ground

Channel B (+) : Pin No. 3 (APS2 Signal) terminal (APS Harness Connector)

Channel B (-) : Ground

3.

Ignition switch "ON" & Engine "OFF"

4.

Operate the APS

Specification : Refer to table below

Item

Output Voltage (V) (Vref = 5.0V)

APS1

APS2

Not pressed (V)

Approx. 0.7 - 0.8

Approx. 0.28 - 0.47

Fully pressed (V)

Approx. 3.85 ~ 4.35

Approx. 1.93 - 2.17

5.

Is the measured value within specification?

▶ Fault is intermittent caused by poor contact in the sensor’s and/or ECM’s connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification of vehicle Repair" procedure.

▶ Carefully re-do this troubleshooting guide steps.

▶ If no problems were found with the circuits or connectors, replace the APS and go to "Verification of Vehicle Repair" procedure.

caution
•

When installing component, tighten it within specification

•

If component is dropped, check for proper operation. The internal damage may be present

caution
•

When APS is replaced, perform "Essential work after component replacement. Otherwise, vehicle performance and emission control may not work properly until auto learning is completed

Vehicle S/W Management
■ In case of Accelerator Pedal Sensor is replaced, perform follwoing procedures;
1.

Ignition switch "OFF"

2.

Connect GDS to Data Link Connector(DLC).

3.

Ignition Switch "ON" & Engine "OFF"

4.

Perform "Essential Work After Component Replacement" in "Vehicle S/W Management" with GDS.

5.

Select "APS Module Change"

Fig.1 ) Vehicle S/W Management list of U2 engine

Fig.2 ) "Essential Work After Component Replacement"

Fig.3) APS Module Change 1

Fig.4) APS Module Change 2

Fig.5) Complete

Яндекс.Метрика