JCB JS140/205/215 P0115-16 Coolant Temperature Sensor Short Circuit to Ground

JCB JS140/205/215 P0115-16 Coolant Temperature Sensor Short Circuit to Ground

 

Possible Cause:

1 Coolant temperature sensor wire harness circuit short circuited internally.

2 Faulty Coolant temperature sensor.

 

Related Contents:
2025 JCB ServiceMaster 4 v25.1.0 Free Download for Win 10 Win11

2017 JCB Parts Plus+ and Repair Service Manual Free Download

JCB Diagnostic tool

 

 

Diagnosis:

1 Check the connectivity between circuit no 4303B & 4069 by help of multimeter after disconnecting the coolant temperature sensor & MECU. Refer below photograph.

2 Check the resistance between coolant temperature sensor terminals. Multimeter should not measure zero resistance between sensor terminals.

 

Corrective Action:

1 Replace the faulty wire harness.

2 Replace the faulty sensor.

 

More topics for JCB machine,please refer to:JCB Machine Trouble Repair.