DTC Description

If open in power circuit is detected after 0.5 sec. upon Ignition "ON", A/C Control Module sets DTC B16A4.

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

Voltage check

1.

Poor contact in harness

2.

Open in power circuit

3.

Faulty Electric Control Valve

4.

Faulty A/C control module

Enable Conditions

Ignition "ON"

Threshold value

Open in power circuit is detected after 0.5 sec.

Failsafe

ECV Control Inhibited

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