Volume Air Flow Meter Removal; Disconnect Resonator Bracket; Remove Volume Air Flow Meter From Air Cleaner Cap; Volume Air Flow Meter Inspection - Toyota 22R-E Service Manual

EG2–234
ENGINE – MFI SYSTEM

VOLUME AIR FLOW METER REMOVAL

(See Components for Removal Installation)
1. DISCONNECT CABLE FROM NEGATIVE TERMINAL
OF BATTERY

2. DISCONNECT RESONATOR BRACKET

(a) Disconnect the air hose.
(b) Remove the two bolts and resonator bracket.
3. DISCONNECT VOLUME AIR FLOW METER CON–
NECTOR
4. DISCONNECT AIR CLEANER HOSE
5. REMOVE AIR CLEANER CAP WITH VOLUME AIR
FLOW METER ASSEMBLY
6. REMOVE VOLUME AIR FLOW METER FROM AIR
CLEANER CAP
(a) Remove the bolt, two screws and bracket.
(b) Pry oft the lock plate, and remove the four nuts and
washers, lock plate, volume air flow meter and gasket.

VOLUME AIR FLOW METER INSPECTION

MEASURE RESISTANCE OF VOLUME AIR FLOW
METER
Using an ohmmeter, measure the resistance between
each terminal by moving the measuring plate.
Between
terminals
E1 – FC Infinity
E 1 – FC
Zero
E2 – VS 200–600
E2 – VS
20– 1,200
HINT: Resistance between terminals E2 and VS will
change in a wave pattern as the measuring plate
slowly opens.
If not within specification, replace the volume air flow
meter.
Measuring plate
Resistance (W)
opening
Fully closed
Other than closed
position
Fully closed
Fully open