mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

EGR Valve|Locations|Page 1950 > < EGR Valve|Locations
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EGR Valve: Testing and Inspection

On-vehicle Inspection

1. Carry out the "ERG Control Inspection".

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If not as specified, perform the following inspection of the EGR valve.

Resistance Inspection

NOTE:  Perform the following test only when directed.

1. Disconnect the negative battery cable.

2. Inspect resistance of the EGR valve coils.

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If not as specified, replace the EGR valve.

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If as specified but the "EGR Control Inspection" is failed, inspect the vacuum hoses for improper routing, kinks or leakage, and inspect
"Circuit Open/Short Inspection".

Circuit Open/Short Inspection

1. Disconnect the PCM connector.

EGR Valve|Locations|Page 1950 > < EGR Valve|Locations