SAAB WIS ONLINE

P0118

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK ENGINE comes on after two driving cycles. A/C not working. Radiator fan runs continuously when ignition is ON. Temperature gauge reading incorrect. Possible misfiring before DTC is generated.

P0118


Engine Coolant Temperature Sensor Circuit. Short to B+ / Open circuit.


Fault symptoms


CHECK ENGINE comes on after two driving cycles.

A/C not working.

Radiator fan runs continuously when ignition is ON.

Temperature gauge reading incorrect.

Possible misfiring before DTC is generated.


Conditions

The following conditions apply for this DTC:


Engine running and the voltage is higher than 4.910 V for more than 5 seconds.


Diagnostic help

Fault diagnosis concerns electrical faults in connected leads or in the sensor.

Diagnostic tool functions related to this fault are:


Temperature sensor reading, in °C.


See also the description of readings under Menu "Read Values" for more information.

Check the wiring

Note

Jiggle the leads and in-line connectors at various points and in different directions to detect any intermittent breaks or short circuits in the wiring. Observe the multimeter, test lamp or diagnostic tool while doing this.