Condition for fault identification
Test condition:
The fault is recognized when the sensor voltage lies below 0.1 V.
Potential problem source(s):
- Coolant temperature sensor wiring harness has short circuit to ground
- Temperature is outside measurement range
- Coolant temperature sensor defective
Terminal condition: Terminal 15
Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Engine ON