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).
Open Circuit
If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
EGR valve terminal A and PCM terminal 2G
EGR valve terminal B and PCM terminal 2L
EGR valve terminal E and PCM terminal 2K
EGR valve terminal F and PCM terminal 2H
EGR valve terminal C and main relay
EGR valve terminal D and main relay
Short Circuit
If there is continuity, there is a short circuit. Repair or replace the wiring harness.
EGR valve terminal A and body ground
EGR valve terminal A and power supply
EGR valve terminal B and body ground
EGR valve terminal B and power supply
EGR valve terminal C and body ground
EGR valve terminal D and body ground
EGR valve terminal E and body ground
EGR valve terminal E and power supply
EGR valve terminal F and body ground
EGR valve terminal F and power supply
2007 Mazda MX-5 Miata Sport
2007 ENGINE PERFORMANCE Emission System - MX-5 Miata
Microsoft
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