Tacoma Extra Cab 4WD L4-2693cc 2.7L DOHC MFI (1997)
Mass Air Flow Meter: Testing and Inspection
MAF METER INSPECTION
INSPECT MAF METER OPERATION
(a) Connect the negative (-) terminal cable to the battery.
(b) Turn the ignition switch ON.
(c) Connect the MAF meter connector.
(d) Using a voltmeter, connect the positive (+) tester probe to terminal VG and negative (-) tester probe to terminal E3.
(e) Blow air into the MAF meter and check that the voltage fluctuates.
If operation is not as specified, replace the MAF meter.
(f) Turn the ignition switch LOCK.
(g) Disconnect the negative (-) terminal cable from the battery.
(h) Disconnect the MAF meter connector.
