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TROUBLE DIAGNOSIS
EC-1513
[YD (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
START SIGNAL [ON/OFF] ××
● indicates [ON/OFF] condition from the
starter signal.
PW/ST SIGNAL [ON/OFF] ×
● indicates [ON/OFF] condition from the
power steering pressure switch signal.
BRAKE SW [ON/OFF] ××
● indicates [ON/OFF] condition from the
stop lamp switch signal.
BRAKE SW2 [ON/OFF] ××
● indicates [ON/OFF] condition from the
ASCD brake switch and ASCD clutch
switch signal.
IGN SW [ON/OFF] ××
● Indicates [ON/OFF] condition from igni-
tion switch signal.
MAS AIR/FL SE [V] ××
● The signal voltage of the mass air flow
sensor is displayed.
MAIN INJ WID [msec] ×
● Indicates the actual fuel injection pulse
width compensated by ECM according to
the input signals.
PUMP CURRENT [mA] ×
● Indicates the fuel pump power supply
current from the ECM.
GLOW RLY [ON/OFF] ×
● The glow relay control condition (deter-
mined by ECM according to the input sig-
nal) is displayed.
COOLING FAN
[OFF/LOW/MID/HI]
×
● Indicates the control condition of the
cooling fans (determined by ECM
according to the input signal).
LOW ... Operates at low speed.
MID ... Operates at middle speed.
HI ... Operates at high speed.
OFF ... Stopped
EGR VOL CON/V [step] ×
● Indicates the EGR volume control value
computed by the ECM according to the
input signals.
● The opening becomes larger as the
value increases.
INT/A VOLUME [mg/]
● The intake air volume computed from the
mass air flow sensor signal is displayed.
BARO SEN [kPa] ××
● The barometric pressure (determined by
the signal voltage from the absolute pres-
sure sensor built into the ECM) is dis-
played.
INT/M PRES SE [kPa]
● Turbocharger boost (determined by the
signal voltage from the turbocharger
boost sensor) is displayed.
CYL COUNT [1/2/3/4]
● The cylinder being injected is displayed.
1 ... Cylinder No.1 is injected.
2 ... Cylinder No.2 is injected.
3 ... Cylinder No.3 is injected.
4 ... Cylinder No.4 is injected.
SET SW
[ON/OFF]
×
● Indicates [ON/OFF] condition from SET/
COAST switch signal.
RESUME/ACC SW
[ON/OFF]
×
● Indicates [ON/OFF] condition from
RESUME/ACCELERATE switch signal.
CANCEL SW
[ON/OFF]
×
● Indicates [ON/OFF] condition from CAN-
CEL switch signal.
MONITOR ITEM
ECM
INPUT
SIGNAL
MAIN
SIG-
NALS
CONDITION SPECIFICATION
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