Volume Air Flow (Vaf) Meter On-Vehicle Inspection - Toyota 22R-E Service Manual

ENGINE – MFI SYSTEM
VOLUME AIR FLOW (VAF) METER
ON–VEHICLE INSPECTION
MEASURE RESISTANCE OF VOLUME AIR FLOW
METER
(a) Disconnect the connector from the volume air flow
meter.
(b) Using an ohmmeter, measure the resistance between
each terminal.
Between
terminals
VS – e2
VC – e2
THA – E2
THA – E2
THA – E2
THA – E2
THA – E2
FC–E1
If not within specification, replace the volume air flow
meter.
(c) Reconnect the volume air flow meter connector.
COMPONENTS FOR REMOVAL AND
INSTALLATION
Resistance
Temperature
200–600C)
200–400C)
W –20 C (4 F)
10–20k
O C (32 F)
W
4 –7k
20 C (68 F)
W
2 –3k
W 46 C (104 F)
0.9 – 1.3 k
W 60 C (140 F)
0.4–0.7k
Infinity
EG2–233