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Pin 01
Pin 49
Is the resistance greater than 5 ohms? -> Yes REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams. CLEAR the DTC and test the system for normal operation.
-> No GO to Pinpoint Test G531330t74.
G531330t74 : CHECK THE RADIATOR FAN MODULE GROUND FOR HIGH 1. Measure the resistance between: Fan module connector EC20, harness side Battery
Pin 02
Negative terminal
Is the resistance greater than 5 ohms? -> Yes REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams. CLEAR the DTC and test the system for normal operation.
-> No INSTALL a new radiator cooling fan module. CLEAR the DTC and test the system for normal operation. PINPOINT TEST G531330p20 : G531330t79 : CHECK THE BATTERY POWER SUPPLY TO THE ECM 1. Disconnect the ECM electrical connector, EC300. 2. Measure the voltage between: ECM connector EC300, harness side Battery
Pin 54
Negative terminal
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