Resistance Inspection

WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the EGR valve connector. (See EGR VALVE REMOVAL/INSTALLATION .)
Measure the resistance between the EGR valve terminals.

Fig 1: Identifying EGR Valve Connector Terminals
Courtesy of MAZDA MOTORS CORP.
- If within the specification, perform out the Circuit Open/Short Inspection .
- If not within the specification, replace the EGR valve. (See EGR VALVE REMOVAL/INSTALLATION .)

Standard

Fig 2: EGR Valve Resistance Specification Table

Courtesy of MAZDA MOTORS CORP.