SAAB WIS ONLINE

B1417

Symptom: The temperature sensor always indicates a cold engine.

B1417

Engine coolant temperature sensor shorted to batt+


Fault symptom

The temperature sensor always indicates a cold engine.



Conditions

B1417: The PWM output feeding information on engine temperature to the main instrument display panel 2 is short-circuited to BATT+.

Diagnostic procedure


1. Check that no diagnostic trouble codes are stored in the main instrument display panel. If trouble code are present, see Service Manual 3:5 "Electrical system, Main instrument display panel".

2. Connect a BOB and check the wiring for a short circuit to (+) between:


• ICE module connector pin 61 and pin 4 of the main instrument display panel 1 connector.

• ICE module connector pin 14 and pin 7 of the main instrument display panel 2 connector.

3. Clear the diagnostic trouble code, start the engine and check that the trouble code is not generated afresh.


4. If the trouble code is generated afresh, proceed to .