626 L4-2184cc 2.2L SOHC F2 (1989)
EGR Valve Position Sensor: Testing and Inspection
VOLTAGE INSPECTION
1.
Disconnect the EGR position sensor connector.
Adapter Harness Installed
2.
Connect the test adapter (SST Mazda Part# 49 G018 901) between the EGR sensor and the wiring harness.
Vacuum Pump Installed
3.
Disconnect the vacuum hose from the EGR control valve and connect the vacuum pump.
4.
Turn the ignition switch on.
5.
Check the voltage of each terminal in the conditions shown in the table below.
Voltage Chart
6.
If not correct at terminals "A" and "B", check the wiring harness and terminals "2A" and "2C" of the engine control unit.
7.
If not correct at terminal "C", check the wiring harness and terminal "2F" of the engine control unit.
8.
Disconnect the adapter and reconnect the EGR position sensor connector.
RESISTANCE INSPECTION
1.
Disconnect the EGR position sensor connector.
