EMISSION CONTROL SYSTEM(w/ Canister Pump Module)


  1. CONSTRUCTION


    1. The canister pump module consists of a vent valve, reference orifice, canister pressure sensor, leak detection pump and pump motor.

    2. The vent valve switches the passages in accordance with the signals received from the ECM.

    3. A DC type brushless motor is used for the pump motor.

    4. A vane type leak detection pump is used.

      B008GA4C01
      *1 Canister Pump Module (Leak Detection Pump Sub-assembly) *2 Vent Valve
      *3 Reference Orifice *4 Canister Pressure Sensor
      *5 Pump Motor *6 Leak Detection Pump
      *a Fresh Air *b Cross Sectiom
      *c To Charcoal Canister Assembly - -

      Figure 1. Simplified Diagram

      B008G97C01
      *1 Canister Pump Module (Leak Detection Pump Sub-assembly) *2 Leak Detection Pump and Pump Motor
      *3 Fliter *4 Canister Pressure Sensor
      *5 Reference Orifice [0.5 mm (0.02 in.) Diameter] *6 Vent Valve
      *a Fresh Air *b To Charcoal Canister Assembly