L-Series Wagon 2WD F4-1781cc 1.8L SOHC (SPFI) (1987)
Air Flow Meter/Sensor: Testing and Inspection
Air Flow Meter Schematic (SPFI)
A faulty air flow meter will set code 23 in the on-board diagnostic system. Refer to the schematic diagram and test the meter with the diagnostic chart.
Wire color code identification:
L:
Blue
B:
Black
Y:
Yellow
G:
Green
R:
Red
W: White
Br: Brown
Lg: Light green
Gr: Gray