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EC-556
[QR (WITHOUT EURO-OBD)]
TROUBLE DIAGNOSIS
START SIGNAL
[ON/OFF]
××
● Indicates start signal status [ON/OFF] com-
puted by the ECM according to the signals of
engine speed and battery voltage.
● After starting the engine, [OFF] is
displayed regardless of the starter
signal.
CLSD THL POS
[ON/OFF]
××
● Indicates idle position [ON/OFF] computed by
ECM according to the accelerator pedal posi-
tion sensor signal.
AIR COND SIG
[ON/OFF]
××
● Indicates [ON/OFF] condition of the air condi-
tioner switch as determined by the air condi-
tioner signal.
P/N POSI SW
[ON/OFF]
××
● Indicates [ON/OFF] condition from the park/
neutral position (PNP) switch signal.
PW/ST SIGNAL
[ON/OFF]
××
● [ON/OFF] condition of the power steering pres-
sure sensor as determined by the power steer-
ing pressure sensor signal is indicated.
LOAD SIGNAL
[ON/OFF]
××
● Indicates [ON/OFF] condition from the electrical
load signal.
ON: Rear window defogger switch is ON and/or
lighting switch is in 2nd position.
OFF: Both rear window defogger switch and
lighting switch are OFF.
IGNITION SW
[ON/OFF]
×
● Indicates [ON/OFF] condition from ignition
switch.
HEATER FAN SW
[ON/OFF]
×
● Indicates [ON/OFF] condition from the heater
fan switch signal.
BRAKE SW
[ON/OFF]
×
● Indicates [ON/OFF] condition from the stop
lamp switch signal.
INJ PULSE-B1
[msec]
×
● Indicates the actual fuel injection pulse width
compensated by ECM according to the input
signals.
● When the engine is stopped, a
certain computed value is indi-
cated.
IGN TIMING
[BTDC]
×
● Indicates the ignition timing computed by ECM
according to the input signals.
● When the engine is stopped, a
certain value is indicated.
PURG VOL C/V
[%]
● Indicates the EVAP canister purge volume con-
trol solenoid valve control value computed by
the ECM according to the input signals.
● The opening becomes larger as the value
increases.
INT/V TIM (B1)
[°CA]
● Indicates [°CA] of intake camshaft advanced
angle.
INT/V SOL (B1) [%]
● The control value of the intake valve timing con-
trol solenoid valve (determined by ECM accord-
ing to the input signal) is indicated.
● The advance angle becomes larger as the
value increases
VIAS S/V
[ON/OFF]
● The control condition of the VIAS control sole-
noid valve (determined by ECM according to
the input signals) is indicated.
ON: VIAS control solenoid valve is operating.
OFF: VIAS control solenoid valve is not operat-
ing.
AIR COND RLY
[ON/OFF]
×
● The air conditioner relay control condition
(determined by ECM according to the input sig-
nals) is indicated.
Monitored item
[Unit]
ECM
INPUT
SIGNALS
MAIN
SIG-
NALS
Description Remarks
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