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TROUBLE DIAGNOSIS
EC-1247
[YD (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
19 L Air conditioner relay
[Engine is running]
● Air conditioner switch is OFF
BATTERY VOLTAGE
(11 - 14V)
[Engine is running]
● Both air conditioner switch and blower fan
switch are ON (Compressor is operating)
Approximately 0.1V
21
22
23
24
G/R
GY/L
G/R
GY/L
Fuel injector No. 2
Fuel injector No. 2
Fuel injector No. 3
Fuel injector No. 3
[Engine is running]
● Warm-up condition
● Idle speed
0 - 9V
[Engine is running]
● Warm-up condition
● Engine speed is 2,000 rpm
0 - 9V
25
26
27
28
GY
W/L
OR/B
GY/B
EGR volume control valve
[Engine is running]
● Warm-up condition
● Idle speed
0.1 - 14V
(Voltage signals of each ECM ter-
minals differ according to the con-
trol position of EGR volume
control valve.)
29 L Fuel pump
[Engine is running]
● Warm-up condition
● Idle speed
0.5 - 1.0V
[Engine is running]
● Warm-up condition
● Engine speed is 2,000 rpm
0.5 - 1.0V
34 LG/B Cooling fan relay (High)
[Engine is running]
● Cooling fan is not operating
● Cooling fan is operating at low speed
BATTERY VOLTAGE
(11 - 14V)
[Engine is running]
● Cooling fan is operating at high speed
Approximately 0.1V
36 LG Cooling fan relay (Low)
[Engine is running]
● Cooling fan is not operating
● Cooling fan is operating at high speed
BATTERY VOLTAGE
(11 - 14V)
[Engine is running]
● Cooling fan is operating at low speed
Approximately 0.1V
TERMI-
NAL
NO.
WIRE
COLOR
ITEM CONDITION
DATA
(DC Voltage and Pulse Signal)
MBIB0881E
MBIB0882E
MBIB0887E
MBIB0888E
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