Jaguar Workshop Service and Repair Manuals

Supercharger Coolant Pump: Component Tests and General Diagnostics

Intercooler Coolant Pump Relay 

Symptom Chart 

Condition(s): 

DTC P1474 Intercooler coolant pump relay malfunction
Possible Source(s):
-

Intercooler pump relay failure

-

Intercooler pump relay to ECM drive circuit fault

-

Intercooler pump relay coil ground circuit fault

-

Harness fault

-

Connector loose or corroded

-

Connector pins(s) bent or tracking between connections

-

ECM power supply fault
Action(s) to take:
^

GO to [Pinpoint Test D]