DTC Description

Checking output signals from APS 1 under detecting condition, if output signals are below the threshold, ECM sets P2122.

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

Signal check, low

1.

Poor connection

2.

Open or short to ground in power circuit

3.

Open or short to ground in signal circuit

4.

Faulty APS

Enable Conditions

Ignition "ON"

Threshold Value

APS 1 < 0.58V

Diagnostic Time

0.14 sec

MIL ON Condition

5 sec

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