jaguar Workshop Repair Guides

Jaguar Workshop Service and Repair Manuals

Symptom Related Diagnostic Procedures|Page 3542 > < Symptom Related Diagnostic Procedures|Page 3540
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A3: CHECK ECT SENSOR RANGE 

Allow the engine to achieve any noted temperature within the specified range, refer to temperature/resistance relationship table or graph 
Ignition switch to position 
Disconnect PI004

Rear of top hose 

Measure the resistance between sensor pins 1 and 2.
-

Temperature/resistance relationship OK?
Yes

GO to [A4]

No

Remove sensor and check temperature/resistance relationship for 3 different temperatures.
Renew as required and test the system for normal operation.

A4: CHECK HARNESS CONTINUITY 

Ignition switch to position 0
Disconnect EM011

Inside ECM housing.

Measure the resistance between EM011/009 and PI004/002. 
-

Is the resistance < 0.5 Ohms?

Symptom Related Diagnostic Procedures|Page 3542 > < Symptom Related Diagnostic Procedures|Page 3540