DTC Description

ECM/PCM sets DTC P011B if the ECM/PCM detects signal of the ECTS and IATS do not correlate within 15 seconds.

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

Signal noise check

1.

Poor connection or damaged harness

2.

Faulty ECT sensor

3.

Faulty IAT sensor

4.

Faulty ECM/PCM

Enable Conditions

No DTC relating ECTS

8 hours or more elapsed from engine stop on the previous trip

ECTS signal drops less than 2℃(35.6℉) at least 15seconds after cranking

IATS signal drops less than 2℃(35.6℉) at least 15seconds after cranking

The mean temperature ECTS and IATS is higher than -7℃(19.4℉)

Threshold Value

The temperature difference between ECTS and IATS is higher than 20℃(68℉)

Diagnostic Time

-

Mil On Condition

-

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