DTC Description

Checking output signals from APS 1 under detecting condition, if output signals are above the threshold, ECM/PCM sets P2123.

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

APS1 signal check, high

1.

Poor connection

2.

Short to battery in signal circuit.

3.

Open in ground circuit

4.

Faulty APS

5.

Faulty ECM/PCM

Enable Conditions

Ignition "ON"

Threshold Value

APS1 voltage is higher than 4.8V

Diagnostic Time

Continuous

MIL On Condition

1st Driving Cycle

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