P0118
Read the instructions below then
start the fault diagnostic procedure.
Symptom: CHECK ENGINE goes on after two driving cycles.
A/C malfunctioning.
Radiator fan running continuously when ignition is ON.
Temperature gauge displaying incorrect value.
Misfiring can occur before trouble code is generated.
Engine Coolant Temperature Sensor Circuit. Short to B+ / Open circuit.
Fault symptoms
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CHECK ENGINE goes on after two driving cycles.
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Radiator fan running continuously when ignition is ON.
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Temperature gauge displaying incorrect value.
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Misfiring can occur before trouble code is generated.
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Conditions
The following conditions apply for this DTC:
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Engine running and voltage above 4.910 V for longer than 5 sec.
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Diagnostic help
Fault diagnosis concerns an electrical fault in connecting leads or in the sensor.
Functions in the diagnostic tool related to the fault:
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Temperature sensor value, unit °C.
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See also description of test readings,
, for more information.
Checking the wiring
Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short circuits. Observe the multimeter, diagnostic tool or test lamp during the check.
