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