Subaru LEGACY 2003 Service Manual page 25

4. LED OPERATION MODE FOR ENGINE
Contents
Ignition switch signal
Automatic transmission vehicle identification
signal
Test mode connector signal
Neutral position switch signal*1
Air conditioning switch signal
Air conditioning compressor signal
Radiator fan relay signal #1
Fuel pump relay signal
Knocking signal
Radiator fan relay signal #2
Engine torque control signal #1
Torque control signal #2
Torque permission signal
TCS AET signal
Canister purge control solenoid valve
Oxygen sensor rich signal*2
Read memory connector signal
P/S switch
Starter switch
Crankshaft position sensor signal
Camshaft position sensor signal
Rear defogger switch
Blower fan switch
Light switch
Idle switch signal
*1: On MT model, switch is turned ON when gear position is in neutral position.
On AT model, switch is turned ON when shift position is in "P" or "N" position.
*2: With catalyst model only
NOTE:
For detailed operation procedure, refer to the SUBARU SELECT MONITOR OPERATION MANUAL.
SUBARU SELECT MONITOR
Message
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
EN(H4SOw/oOBD)-23
LED "ON" requirements
When ignition switch is turned ON.
When AT identification signal is entered.
When test mode connector is connected.
When neutral position switch signal is entered.
When air conditioning switch is turned ON.
When air conditioning compressor is in function.
When radiator fan relay #1 is in function.
When fuel pump relay is in function.
When knocking signal is entered.
When radiator fan relay #2 is in function.
When torque control signal #1 is entered.
When torque control signal #2 is entered.
When torque permission signal is entered.
When TCS AET signal is entered.
When canister purge control solenoid valve is in function.
When oxygen sensor mixture ratio is rich.
When read memory connector is connected.
When steering wheel is turned.
When starter switch signal is entered.
When crankshaft position sensor signal is entered.
When camshaft position sensor signal is entered.
When rear defogger switch signal is entered.
When blower fan switch signal is entered.
When light switch signal is entered.
When throttle sensor sends signal that throttle opening angle
is in idle position.
ENGINE (DIAGNOSTICS)