3000GT VR-4 AWD V6-2972cc 3.0L DOHC MFI Twin Turbo (1998)
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Engine control module connector: Disconnected
OK: GO TO STEP 5
NG: Repair the harness. (A1 - 47, 59)
Measure power voltage to the actuator.
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MFI relay connector: Connected
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Engine control module connector: Connected
Voltage (V): 8 or higher (Engine cranking)
Battery positive voltage (Engine racing)
OK: STOP
NG: Replace the MFI relay or defective engine control module
MULTIPORT FUEL INJECTION (MFI) RELAY AND FUEL PUMP RELAY CHECK
(1) Remove the relay.
(2) Check for continuity between the 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 relay.