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Subaru Impreza 2004
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EN(H4SO)(diag)-37
ENGINE (DIAGNOSTICS)
Subaru Select Monitor
7. LED OPERATION MODE FOR ENGINE
1) On «Main Menu» display screen, select the {Each System Check} and press the [YES] key.
2) On «System Selection Menu» display screen, select the {Engine Control System} and press the [YES]
key.
3) Press the [YES] key after the information of engine type is displayed.
4) On «Engine Diagnosis» display screen, select the {Current Data Display & Save} and press the [YES] key.
5) On «Data Display Menu» display screen, select the {Data & LED Display} and press the [YES] key.
6) Using the scroll key, move the display screen up or down until the desired data is shown.
A list of support data is shown in the following table.
NOTE:
For detailed operation procedure, refer to the SUBARU SELECT MONITOR OPERATION MANUAL.
Remarks Display Message LED ON requirements
AT/MT identification signal AT Vehicle ID Signal ON or OFF Illuminate (AT model)
Test mode signal Test Mode Signal ON or OFF D check
Neutral position switch signal Neutral Position Switch ON or OFF
When neutral position signal is
entered.
Idle switch signal Idle Switch Signal ON or OFF
When idle switch signal is
entered.
Ignition switch signal Ignition Switch ON or OFF
When ignition switch is turned
ON.
Power steering switch signal P/S Switch ON or OFF
When power steering switch is
entered.
Air conditioning switch signal A/C Switch ON or OFF
When air conditioning switch is
input.
Starter switch signal Starter Switch ON or OFF When starter switch is input.
Rear oxygen sensor rich sig-
nal
Rear O2 Rich Signal ON or OFF
When rear oxygen sensor mix-
ture ratio is rich.
Knocking signal Knocking Signal ON or OFF When knocking signal is input.
Crankshaft position sensor
signal
Crankshaft Position Signal ON or OFF
When crankshaft position sen-
sor signal is input.
Camshaft position sensor sig-
nal
Camshaft Position Signal ON or OFF
When camshaft position sen-
sor signal is entered.
Rear defogger switch signal Rear Defogger Switch ON or OFF
When rear defogger switch is
turned ON.
Blower fan switch signal Blower Fan Switch ON or OFF
When blower fan switch is
turned ON.
Small light switch signal Light Switch ON or OFF
When small light switch is
turned ON.
Windshield wiper switch signal Wiper SW ON or OFF
When windshield wiper switch
is turned ON.
Air conditioning relay signal A/C Compressor Signal ON or OFF
When air conditioning relay is
in function.
Radiator fan relay 1 signal Radiator Fan Relay #1 ON or OFF
When radiator fan relay 1 is in
function.
Radiator fan relay 2 signal Radiator Fan Relay #2 ON or OFF
When radiator fan relay 2 is in
function.
Fuel pump relay signal Fuel Pump Relay ON or OFF ON output
Air assist injector solenoid
valve signal
Assist Air Sol. Valve ON or OFF
When air assist injector sole-
noid valve signal is input.
Engine torque control signal
#1
Torque Control Signal #1 ON or OFF
When engine torque control
signal 1 is entered.
Engine torque control signal
#2
Torque Control Signal #2 ON or OFF
When engine torque control
signal 2 is entered.
Engine torque control permis-
sion signal
Torque Control Permit ON or OFF
When engine torque control
permission signal is entered.

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