Subaru IMPREZA 2004 Service Manual page 719

4. LED OPERATION MODE FOR ENGINE
Remarks
AT/MT identification signal
Test mode signal
Read memory signal
Neutral position switch signal
Idle switch signal
Ignition switch signal
Power steering switch signal
Air conditioning switch signal
Starter switch signal
Oxygen sensor rich signal
Knocking signal
Crankshaft position sensor sig-
nal
Camshaft position sensor sig-
nal
Rear defogger switch signal
Blower fan switch signal
Small light switch signal
Air conditioning relay signal
Radiator fan relay 1 signal
Radiator fan relay 2 signal
Fuel pump relay signal
Engine torque control signal #1 Torque Control Signal #1
Engine torque control signal #2 Torque Control Signal #2
Engine torque control permis-
sion signal
TCS AET signal
Canister purge control sole-
noid valve
*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
Display
AT Vehicle ID Signal
Test Mode Signal
Read Memory Terminal
*1
Neutral Position Switch
Idle Switch Signal
Ignition Switch
P/S Switch
A/C Switch
Starter Switch
*2
O2 Rich Signal
Knocking Signal
Crankshaft Position Signal
Camshaft Position Signal
Rear Defogger Switch
Blower Fan Switch
Light Switch
A/C Compressor Signal
Radiator Fan Relay #1
Radiator Fan Relay #2
Fuel Pump Relay
Torque Control Permit
TCS AET Signal
Canister Purge Control Sole-
noid Valve
EN(H4SOw/oOBD)(diag)-23
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
ENGINE (DIAGNOSTICS)
LED "ON" requirements
Illuminate (AT model)
D check
Clear memory connector is
connected.
When neutral position signal is
entered.
When idle switch signal is
entered.
When ignition switch is turned
ON.
When power steering switch is
entered.
When air conditioning switch is
input.
When starter switch is input.
When oxygen sensor mixture
ratio is rich.
When knocking signal is input.
When crankshaft position sen-
sor signal is input.
When camshaft position sen-
sor signal is entered.
When rear defogger switch is
turned ON.
When blower fan switch is
turned ON.
When small light switch is
turned ON.
When air conditioning relay is
in function.
When radiator fan relay 1 is in
function.
When radiator fan relay 2 is in
function.
ON output
When engine torque control
signal 1 is entered.
When engine torque control
signal 2 is entered.
When engine torque control
permission signal is entered.
When TCS AET signal is
entered.
When canister purge control
solenoid valve is in function.