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.
Engine Coolant Temperature Sensor Circuit. Short to B+ / Open circuit.
Fault symptoms
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CHECK ENGINE comes on after two driving cycles.
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Radiator fan runs continuously when ignition is ON.
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Temperature gauge reading incorrect.
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Possible misfiring before DTC is generated.
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Conditions
The following conditions apply for this DTC:
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Engine running and the voltage is higher than 4.910 V for more than 5 seconds.
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Diagnostic help
Fault diagnosis concerns electrical faults in connected leads or in the sensor.
Diagnostic tool functions related to this fault are:
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Temperature sensor reading, in °C.
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See also the description of test values under ”Fault diagnosis, general” for more information.
Check the wiring
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Note
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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.
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Diagnostic procedure
See diagnostic procedure P0117, see
.
