DTC Description

Checking output signals from APS 2 under detecting condition, if output signals are above the threshold, ECM sets P2128.

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

•

Signal check, high

1.

Poor Connection

2.

Short to battery in Signal Circuit

3.

Open in Ground Circuit

4.

Faulty APS

5.

Faulty ECM

Enable Conditions

•

Ignition "ON"

Threshold Value

•

APS2 voltage is higher than 2.5V

Diagnostic Time

•

0.14 sec

MIL ON Condition

•

5 sec

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