mitsubishi Workshop Repair Guides

Mitsubishi Workshop Service and Repair Manuals

Relays and Modules - Fuel Delivery and Air Induction > < MFI Relay <--> [Main Relay (Computer/Fuel System)]|Specifications|Page 2437
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MFI Relay: Testing and Inspection

1. Remove the relay.

2. Check the continuity between the MFI relay terminals.

3. Use the jumper leads to connect relay terminal 4 to the battery (+) terminal and terminal 2 to the battery (-) terminal.

4. Check the continuity between relay terminals 1 - 3 while connecting and disconnecting the jumper lead at the battery (-) terminal.
5. If there is a defect, replace the MFI relay or fuel pump relay.

Relays and Modules - Fuel Delivery and Air Induction > < MFI Relay <--> [Main Relay (Computer/Fuel System)]|Specifications|Page 2437