3000GT VR-4 AWD V6-2972cc 3.0L DOHC MFI Twin Turbo (1998)
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The barometric pressure sensor output voltage which is proportional to the barometric pressure (absolute pressure) is supplied to the engine
control module.
TROUBLESHOOTING HINTS
Hint 1: If the barometric pressure sensor is faulty, poor driveability is caused at high altitude, in particular.
Hint 2: If the pressure indication of the barometric pressure sensor drops significantly during high speed driving, check the air cleaner for
clogging.
INSPECTION
Using Scan Tool
HARNESS INSPECTION
Check for continuity of the ground circuit.
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Connector: Disconnected
OK: GO TO STEP 2
NG: Repair the harness. (A5-49)
Measure the power supply voltage of the barometric pressure sensor.
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Connector: Disconnected
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Ignition switch: ON
Voltage (V): 4.8 - 5.2
OK: GO TO STEP 3
NG: Repair the harness. (A1 - 42)
Check for an open-circuit, or a short-circuit to ground between the engine control module and the barometric pressure sensor.
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Volume air flow sensor connector: Disconnected