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-> No GO to Pinpoint Test G531330t173.
G531330t173 : CHECK THE CATALYST MONITOR HEATER CONTROL 1. Measure the resistance between: Catalyst monitor connector PI13, 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 G531330t44.
G531330t44 : CHECK THE CATALYST MONITOR SENSOR HEATER CONTROL 1. Disconnect the ECM electrical connector, PI300. 2. Measure the resistance between: Catalyst monitor connector PI13, harness side ECM connector PI300, harness side Pin 02
Pin 89
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 catalyst monitor sensor. Catalyst Monitor Sensor (18.30.66) CLEAR the DTC and test the system for normal operation. |