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Home >> Mazda >> 1995 >> 626 L4-1991cc 2.0L DOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> EGR Valve Position Sensor >> Testing and Inspection >> Manual Trans.
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Manual Trans.




INSPECTION OF OUTPUT VOLTAGE
1. Disconnect the ECM connector.
2. Connect the SST to the ECM as shown and connect a vacuum pump to the EGR valve.
3. Turn the ignition switch ON.
4. Measure voltage at the terminals as shown in the table.




5. If not correct at 2J terminal, check the wiring harness and 2K terminal of the ECM.




INSPECTION OF RESISTANCE
1. Disconnect the EGR valve position sensor connector and connect an ohmmeter.
2. Disconnect the vacuum hose from the EGR valve, connect a vacuum pump.
3. Measure the resistance between the terminals as shown while vacuum is applied.





4. If not as specified, replace the EGR valve.