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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.
-> No GO to Pinpoint Test G531330t41.
G531330t41 : CHECK H02S HEATER CONTROL CIRCUIT FROM ECM FOR 1. Measure the resistance between: H02S connector PI12, harness side Battery
Pin 02
Positive 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.
-> No GO to Pinpoint Test G531330t40.
G531330t40 : CHECK H02S HEATER CONTROL CIRCUIT FROM ECM FOR 1. Disconnect the ECM electrical connector, PI300. 2. Measure the resistance between: H02S connector PI12, harness side ECM connector PI300, harness side Pin 02
Pin 77
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.
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