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EC-1504
[YD (WITHOUT EURO-OBD)]
TROUBLE DIAGNOSIS
14 W/PU Fuel level switch
[Ignition switch ON]
● Some fuel is in the fuel tank
Approximately 0V
[Ignition switch ON]
● No fuel is in the fuel tank
BATTERY VOLTAGE
(11 - 14V)
15 LG/B Cooling fan relay-2
[Engine is running]
● Cooling fan: Not operating
BATTERY VOLTAGE
(11 - 14V)
[Engine is running]
● Cooling fan: Operating
Approximately 0.1V
16 LG Cooling fan relay-1
[Engine is running]
● Cooling fan: Not operating
● Cooling fan: Operating at low speed
BATTERY VOLTAGE
(11 - 14V)
[Engine is running]
● Cooling fan: Operating at middle speed
● Cooling fan: Operating at high speed
Approximately 0.1V
17 SB Cooling fan relay-3
[Engine is running]
● Cooling fan: Not operating
● Cooling fan: Operating at low speed
● Cooling fan: Operating at middle speed
BATTERY VOLTAGE
(11 - 14V)
[Engine is running]
● Cooling fan: Operating at high speed
Approximately 0.1V
20 L Air conditioner relay
[Engine is running]
● Air conditioner switch: OFF
BATTERY VOLTAGE
(11 - 14V)
[Engine is running]
● Both air conditioner switch and blower fan
switch: 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
NOTE:
The pulse cycle changes depending on rpm at
idle.
0 - 9V
[Engine is running]
● Warm-up condition
● Engine speed: 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.)
TERMI-
NAL
NO.
WIRE
COLOR
ITEM CONDITION
DATA
(DC Voltage and Pulse Signal)
MBIB0881E
MBIB0882E
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