Legacy Sedan 2WD F4-2.2L SOHC (1990)
Knock Sensor: Testing and Inspection
Knock Sensor Schematic
A faulty knock sensor will set code 22 in the on-board diagnostic system. Refer to the schematic diagram and test the sensor 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
Knock Sensor Diagnostic Chart
KNOCK SENSOR DIAGNOSTIC CHART