Impreza Coupe FWD F4-1820cc 1.8L SOHC (1995)
Pulsed Air Control Solenoid Valve: Testing and Inspection
CHECK INPUT SIGNAL FOR ECM
Input Signal
1.
Turn ignition ON.
2.
Measure voltage between ECM connector terminal and body.
Connector & Terminal
Voltage
(E31) 3 - body
10 Volts minimum
CHECK AIR SUCTION SOLENOID VALVE
Resistance Test
1.
Turn ignition OFF.
2.
Unplug connector from solenoid valve.
3.
Measure resistance between solenoid valve terminals.
Terminals
Resistance
No. 1 - 2
36 Ohms at 20°C (68°F)
CHECK POWER SUPPLY TO AIR SUCTION SOLENOID VALVE
Voltage Test
1.
Turn ignition ON.
2.
Measure voltage between solenoid valve connector and body.
Connector & Terminal
Voltage
(E3) 1 - body
10 Volts minimum
