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-> No GO to Pinpoint Test G531330t99.
G531330t99 : CHECK THE IAT SENSOR GROUND CIRCUIT FOR HIGH 1. Measure the resistance between: MAF sensor connector PI14, harness side ECM connector PI300, harness side Pin 05
Pin 12
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 MAF sensor. Mass Air Flow (MAF) Sensor (18.30.15) CLEAR the DTC and test the system for normal operation. PINPOINT TEST G531330p3 : ENGINE G531330t10 : CHECK THE ECT SENSOR SENSING CIRCUIT FOR SHORT 1. Disconnect the ECT sensor electrical connector, PI25. 2. Measure the resistance between: ECT sensor connector PI25, harness side Battery
Pin 02
Negative terminal
Is the resistance less than 10,000 ohms? -> Yes REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR the DTC and test the system for normal operation.
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