Idle Speed/Throttle Actuator - Electronic: Testing and Inspection

Bypass Air Control Valve Schematic:

A faulty bypass air control valve will set code 24 in the on-board diagnostic system. Refer to the schematic diagram and test the valve 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

Bypass Air Control Valve Diagnostic Chart:

BYPASS AIR CONTROL VALVE DIAGNOSTIC CHART