3000GT SL V6-2972cc 3.0L DOHC MFI (1997)
INSPECTION USING SCAN TOOL
HARNESS INSPECTION
STEP 1: Measure the ignition switch (IG) terminal input voltage.
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Engine control module connector: Disconnected
Voltage (V): 0-1 (Ignition switch: OFF)
Battery positive voltage (Ignition switch: ON)
OK: GO TO STEP 2
NG: Repair the harness. (Ignition switch-82) or check the ignition switch
STEP 2: Measure the power supply voltage of the MFI relay.
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MFI relay connector: Disconnected
Voltage (V): Battery positive voltage (Ignition switch: OFF)
OK: GO TO STEP 3
NG: Repair the harness. (Battery-A3, A4)
STEP 3: Check for an open-circuit, or a short-circuit to ground, between the engine control module and the MFI relay.
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Engine control module connector: Disconnected
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MFI relay connector: Disconnected
OK: GO TO STEP 4
NG: Repair the harness. (A2-38)