Vaf Meter Removal, Inspection And Installation; Remove Air Cleaner Cap With Volume Air Flow Meter; Remove Volume Air Flow Meter; Measure Resistance Of Vaf Meter - Toyota 22R-E Service Manual

ENGINE – MFI SYSTEM
VAF METER REMOVAL
1. DISCONNECT INTAKE AIR CONNECTOR
2. REMOVE AIR CLEANER CAP WITH VOLUME AIR
FLOW METER
(a) Disconnect the volume air flow meter connector.
(b) Remove the air cleaner cap with volume air flow
meter.

3. REMOVE VOLUME AIR FLOW METER

Remove the bolt, four nuts, washers, volume air flow
meter and gasket.
VAF METER INSPECTION

MEASURE RESISTANCE OF VAF METER

Using an ohmmeter, measure the resistance between
each terminal by moving the measuring plate.
Between
terminals
E1– Fc
E2 – Vs
HINT: Resistance between terminals E2 and Vs will
change in a wave pattern as the measuring plate
slowly opens.
VAF METER INSTALLATION
1. INSTALL VOLUME AIR FLOW METER
Install the gasket, volume air flow meter, washers,
nuts and bolt. Torque the nuts and bolt.
2. INSTALL AIR CLEANER CAP WITH VAF METER
(a) Install the air cleaner cap with VAF meter to the air
cleaner case.
(b) Connect the VAF meter connector.
Measuring plate
Resistance (W)
opening
Fully closed
Infinity
Other than
Zero
closed position
Fully closed
20–400
20– 1,000 Fully open
EG1–195