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EMISSION CONTROL <MPI> ENGINE AND EMISSION CONTROL 17-65 SYSTEM DIAGRAM COMPONENT LOCATION (EGR SYSTEM) M1173007600310 EGR VALVE (STEPPER MOTOR) CHECK M1173050200145 CHECKING THE OPERATION SOUND 1. Check that the operation sound of the stepper motor can be heard from the EGR valve when the 2. If the operation sound cannot be heard, inspect the drive circuit of the stepper motor. NOTE: If the circuit is normal, either the stepper CHECKING THE COIL RESISTANCE 1. Remove the EGR valve. and either terminal No. 1 or terminal No. 3 of the AK204431AC EGR valve Control Battery Engine-ECU <M/T> or Throttle position sensor Air flow sensor Engine coolant Crank angle sensor AK302840AC EGR valve AK302877AB EGR valve AK200805 1 2 3 1 2 3 AC |