Justy Hatchback 2WD L3-1.2L SOHC (MPFI) (1992)
Manifold Pressure/Vacuum Sensor: Testing and Inspection
Pressure Sensor Schematic
The intake air flow measuring system is a pressure sensor connected with a hose to the intake plenum. A faulty pressure sensor will set code 23 in
the on-board diagnostic system. A disconnected or broken pressure sensor hose will set code 65. 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
Pressure Sensor Diagnostic Chart
PRESSURE SENSOR DIAGNOSTIC CHART