mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Main Relay (Computer/Fuel System)|Locations|Page 2178 > < Main Relay (Computer/Fuel System)|Locations
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Main Relay (Computer/Fuel System): Testing and Inspection

NOTE:  Perform the following test only when directed.

Continuity Inspection

1. Disconnect the negative battery cable.

2. Remove the main relay.

3. Inspect for continuity between main relay terminals using an ohmmeter.

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If not as specified, replace the main relay.

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If the main relay is okay, but PCM terminal 71 or 97 voltage is out of specification, perform the "Circuit Open/Short Inspection".

Circuit Open/Short Inspection

1. Remove the PCM.

2. Connect the SST (104 Pin Breakout Box) with the PCM disconnected.
3. Tighten the connector attaching bolt.

Main Relay (Computer/Fuel System)|Locations|Page 2178 > < Main Relay (Computer/Fuel System)|Locations