Pathfinder 4WD V6-3.3L (VG33E) (1996)
With Generic Scan Tool (GST)
1. Turn ignition switch "ON".
2. Start engine and warm it up sufficiently.
3. Select "MODE 1" with GST.
4. Check the mass air flow with "MODE 1".
5. Check for linear mass air flow rise in response to increases to about 4,000 rpm in engine speed.
Without Tools
1. Turn ignition switch "ON".
2. Start engine and warm it up sufficiently.
3. Check the voltage between ECM terminal (47) and ground.
4. Check for linear voltage rise in response to increases to about 4,000 rpm in engine speed.
COMPONENT INSPECTION
1. Turn ignition switch "ON".
2. Start engine and warm it up sufficiently.
3. Check voltage between terminal (1) and ground.