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EGR actuator - signal
A2
EGR actuator - ground K1
EGR actuator - power
J1
3. Key off. 4. Disconnect the EGR actuator connector, C71. 5. Key on, engine off. 6. Measure the resistance between: C71, harness side Battery
Pin 01
Negative terminal
Is the resistance less than 10 ohms? -> Yes GO to Pinpoint Test G552800t27.
-> No GO to Pinpoint Test G552800t39.
G552800t27 : CHECK THE POWER SUPPLY TO THE EGR ACTUATOR 1. Measure the voltage between: C70, harness side Battery
Pin 03
Negative terminal
Is the voltage between 4.8 and 5.2 volts? -> Yes GO to Pinpoint Test G552800t28.
-> No GO to Pinpoint Test G552800t33.
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