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2008 - MX-5 - Engine

EGR VALVE INSPECTION [LF]

NOTE:

On-vehicle Inspection

1. Verify that the buzzing sound (valve operation sound) is heard from the EGR valve when engine cranking.

Resistance Inspection

1. Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION [LF].)
2. Disconnect the battery cover.
3. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [LF].)
4. Disconnect the EGR valve connector. (See EGR VALVE REMOVAL/INSTALLATION [LF].)
5. Measure the resistance between the EGR valve terminals.

Standard

Terminal

Resistance (ohm)

C—E

C—A

D—B

D—F

12—16


Circuit Open/Short Inspection

1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION [LF].)
2. Inspect the following wiring harnesses for open or short circuit (continuity check).



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