Mazda MX-5 Miata Sport 2007 Manual page 942

4. Disconnect the EGR valve connector. (See EGR VALVE REMOVAL/INSTALLATION [LF] ).
5. Measure the resistance between the EGR valve terminals.
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 [LF] ).
STANDARD RESISTANCE SPECIFICATIONS
Terminal
Fig. 28: Identifying EGR Valve Connector Terminals
Courtesy of MAZDA MOTORS CORP.
2007 Mazda MX-5 Miata Sport
2007 ENGINE PERFORMANCE Emission System - MX-5 Miata
C-E
C-A
D-B
D-F
Resistance (ohm)
12-16