XJR (X308) V8-4.0L SC (AJ26) (1998)
Coolant Temperature Sensor/Switch (For Computer): Symptom Related Diagnostic Procedures
SYMPTOM CHART
Condition(s):
DTC P0116 ECT circuit range/performance problem
Possible Source(s):
-
Thermostat
-
Coolant level/contamination
-
Sensor out of range
-
Harness open circuit
-
Connector loose or corroded
Action(s) to take:
^
GO to [Pinpoint Test A]
DTC P0125 Insufficient coolant temperature for closed loop fuel control
Possible Source(s):
-
Thermostat
-
Coolant level/contamination
-
Sensor out of range
-
Harness open circuit
-
Connector loose or corroded
Action(s) to take:
^
GO to [Pinpoint Test A]
DTC P0117 ECT circuit low input
Possible Source(s):
-
Sensor open circuit
-
Harness open circuit
-
Harness short
-
Connector loose or corroded
Action(s) to take:
^
GO to [Pinpoint Test B]
DTC P0118 ECT circuit high input
Possible Source(s):
-
Sensor short
-
Harness open circuit
-
Harness short
^ Connector loose or corroded
Action(s) to take:
^
GO to [Pinpoint Test C]