EGR VALVE POSITION SENSOR INSPECTION [MZ-CD 1.6]


id0140e7807600


Visual Inspection

1.  Remove the EGR valve. (See EGR VALVE REMOVAL/INSTALLATION [MZ-CD 1.6].)

2.  Verify that there are no metal shavings on the sensor.

3.  Visually inspect the EGR valve for the following:

•  Damage
•  Cracks
•  Rusted sensor terminal
•  Bent sensor terminal
―  If there is any malfunction, replace the EGR valve. (See EGR VALVE REMOVAL/INSTALLATION [MZ-CD 1.6].)

4.  Install the EGR valve. (See EGR VALVE REMOVAL/INSTALLATION [MZ-CD 1.6].)


Voltage Inspection

1.  Switch the ignition ON.

2.  Measure the voltage between EGR valve position sensor terminal B and body ground.

am2zzw00006317

•  If not as specified, replace the EGR valve. (See EGR VALVE REMOVAL/INSTALLATION [MZ-CD 1.6].)

EGR valve position sensor signal voltage (reference)

Condition

Voltage (V)

Ignition switch on
Approx. 0.86
Idle
Approx. 2.8