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P0115,P0117, P0118

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK ENGINE lamp on. Inferior driveability. Starting problems. Possibly other diagnostic trouble codes (misfiring).

P0115,P0117, P0118


Engine Coolant Temperature Sensor. All embracing DTC for temperature sensor operation.

Engine Coolant Temperature Sensor Circuit. Short to Ground.

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


Fault symptoms

CHECK ENGINE lamp on. Inferior driveability. Starting problems. Possibly other diagnostic trouble codes (misfiring).

Conditions

P0117: Ignition ON: <0.08 V for 5 sec.

P0118: Ignition ON: >4.8 V for 5 sec.

Diagnostic help

The function of the temperature sensor can be read with the diagnostic tool.


- Turn the ignition to ON and then back to OFF.



- Connect the diagnostic tool.



- Select " Data Display / Output Control (New)".



- Select " Coolant Temperature".


The diagnostic tool should show the current engine coolant temperature if the temperature sensor is in working order.

Checking the wiring harness. Intermittent faults may occur in connection with short circuits and open circuits. Jiggle the wiring harness at several points and in several directions to locate any problems in the wiring, including intermediate connectors. Observe the multimeter, scan tool or test lamp during the check.