3000GT VR-4 AWD V6-2972cc 3.0L DOHC MFI Twin Turbo (1998)
NG: Repair the harness. (A3 - MFI relay)
Check for continuity of the ground circuit.
-
Connector: Disconnected
OK: GO TO STEP 3
NG: Repair the harness. (Al - Ground)
Measure the impressed voltage.
-
Connector: Disconnected
-
Ignition switch: ON
Voltage (V): 4.8 - 5.2
OK: STOP
NG: Repair the harness. (A2 - 43)
Using Oscilloscope
(1) Run the engine at idle speed.
(2) Connect the probe to the oscilloscope pick-up point as shown in the circuit diagram and check the waveform.
