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P0404-EGR POSITION SENSOR PERFORMANCE (CONTINUED) 5. (K35) EGR SOLENOID CONTROL CIRCUIT Ignition on, engine not running. With the scan tool, actuate the EGR Solenoid. Allow the EGR Solenoid to actuate for at least 15 seconds. Feel the EGR Solenoid for operation. Stop actuation. Does EGR Solenoid operate while actuating and then turn off when actuation test is stopped? a. Yes Refer to the INTERMITTENT CONDITION Diagnostic Procedure. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) No >> Refer to the P0403-EGR Control Circuit diagnostic procedure and continue. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) 6. (K34) EGR SENSOR SIGNAL CIRCUIT Turn the ignition off. Disconnect the EGR Solenoid harness connector. Ignition on, engine not running. Measure the voltage of the (K34) EGR Sensor Signal circuit in the Is the voltage above 4.30 volts? Yes >> Go To 7 No >> Go To 8 9 - 450 ENGINE - ELECTRICAL DIAGNOSTICS - 3.7L/4.7L/5.7L DR/DH |