mitsubishi Workshop Repair Guides

Mitsubishi Workshop Service and Repair Manuals

Relays and Modules - Restraint Systems > < MFI Relay <--> [Main Relay (Computer/Fuel System)]|Specifications|Page 181
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MFI Relay: Testing and Inspection

1. Remove the relay.

2. Check that there is continuity between (4) and (6) terminals.

Standard value: 35 - 75 ohms 

3. Use jumper leads to connect relay terminal No.6 to the battery (+) terminal and terminal No.4 to the battery (-) terminal.

Check the continuity between relay terminal No.2-8 while connecting and disconnecting the jumper lead at the battery (-) terminal.

4. If there is a defect, replace the MFI (ASD) relay or fuel pump relay.

Relays and Modules - Restraint Systems > < MFI Relay <--> [Main Relay (Computer/Fuel System)]|Specifications|Page 181