Condition for fault identification
Test condition:
The fault is recognized when the charge-air temperature has not displayed a variation of at least 1.5°C.
Potential problem source(s):
- Sticking sensor
- Shunt current
- Sensor manipulation
- Defective DME
Terminal condition: Terminal 15
Voltage condition:
- None
Temperature condition:
- When the engine is started the ambient temperature must exceed -7.5 °C and be lower than 35.3 °C, engine temperature above 79 °C
Time condition:
- (Drive vehicle at >40km/h for at least 120 sec., then allow to idle for up to 60 sec. while stationary) x2 (execute routine two times)
Other conditions:
- Engine must be running, TIA electrical diagnosis completed