Power Supply (MFI Relay) and Ignition Switch

CIRCUIT DIAGRAM





INSPECTION USING SCAN TOOL

















HARNESS INSPECTION PROCEDURE

MULTIPORT FUEL INJECTION (MFI) RELAY INSPECTION

Caution: When applying battery voltage directly, make sure that it is applied to correct terminal. Otherwise, the relay could be damaged.

(1) Remove the MFI relay.





(2) Using jumper wires, connect terminal (10) of MFI relay to battery (+) terminal and terminal (8) of MFI relay to battery (-) terminal.








(3) Connecting and disconnecting the jumper wire to battery (-) terminal, measure the voltage across terminals (4) and (5) of the MFI relay.