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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 G528708t19.
G528708t19 : CHECK THE SECONDARY AIR INJECTION MAP SENSOR 1. Measure the resistance between: Secondary air injection MAP sensor connector, EC120 ECM connector, EC300 Pin 03
Pin 07
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 secondary air injection MAP sensor. CLEAR the DTC and test the system for normal operation. PINPOINT TEST G528708p4 : CHECK G528708t20 : CHECK THE SECONDARY AIR INJECTION VALVE SUPPLY 1. Key off. 2. Disconnect the secondary air injection valve electrical connector, PI90. 3. Key on, engine off. 4. Measure the voltage between: Secondary air injection valve connector, PI90 Battery
Pin 02
Negative terminal
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