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TROUBLE DIAGNOSIS
EC-1507
[YD (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
53 Y
Refrigerant pressure sen-
sor
[Engine is running]
● Warm-up condition
● Both A/C switch and blower fan switch: ON
(Compressor operates)
1.0 - 4.0V
54 W Mass air flow sensor
[Ignition switch: ON] Approximately 0.7V
[Engine is running]
● Warm-up condition
● Idle speed
1.6 - 1.9V
[Engine is running]
● Warm-up condition
● Engine is revving from idle to about 4,000
rpm.
1.6 - 1.9V to Approximately 4.3V
(Check for liner voltage rise in
response to engine being
increased to about 4,000 rpm)
55 G
Intake air temperature sen-
sor
[Engine is running]
● Warm-up condition
Approximately 0.3 - 5.2V
Output voltage varies with intake
air temperature
63 W
Fuel rail pressure sensor
power supply
[Ignition switch ON] Approximately 5.3V
64 W
Sensor power supply
(Turbocharger boost sen-
sor / Refrigerant pressure
sensor)
[Ignition switch ON] Approximately 5.3V
65 L/R
Crankshaft position sen-
sor ground
[Engine is running]
● Warm-up condition
● Idle speed
Approximately 0.3V
66 G/Y
Camshaft position sensor
ground
[Engine is running]
● Warm-up condition
● Idle speed
Approximately 0.3V
67 —
Sensor ground
(Sensors shield circuit)
[Engine is running]
● Warm-up condition
● Idle speed
Approximately 0.3V
68 B
Fuel rail pressure sensor
ground
[Engine is running]
● Warm-up condition
● Idle speed
Approximately 0.3V
69 B
Fuel pump temperature
sensor ground
[Engine is running]
● Warm-up condition
● Idle speed
Approximately 0.3V
70 B
Engine coolant tempera-
ture sensor ground
[Engine is running]
● Warm-up condition
● Idle speed
Approximately 0.3V
71 B
Turbocharger boost sensor
ground
[Engine is running]
● Warm-up condition
● Idle speed
Approximately 0.3V
72 B
Sensor ground
(Refrigerant pressure sen-
sor)
[Engine is running]
● Warm-up condition
● Idle speed
Approximately 0.3V
73 B
Mass air flow sensor
ground
[Engine is running]
● Warm-up condition
● Idle speed
Approximately 0.3V
TERMI-
NAL
NO.
WIRE
COLOR
ITEM CONDITION
DATA
(DC Voltage and Pulse Signal)
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