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TERMI-
NAL
NO.
WIRE
COLOR
ITEM CONDITION DATA (DC Voltage)
62 W
Heated oxygen sensor
1 (front) (bank 2)
[Engine is running]
I Warm-up condition
I Engine speed is 2,000 rpm.
0 - Approximately 1.0V (Peri-
odically change)
SEF059V
63 W
Heated oxygen sensor
1 (front) (bank 1)
[Engine is running]
I Warm-up condition
I Engine speed is 2,000 rpm.
0 - Approximately 1.0V (Peri-
odically change)
SEF059V
64 Y/G
Intake air temperature
sensor
[Engine is running]
Approximately 0 - 4.8V
Output voltage varies with
intake air temperature.
65
75
W
W
Crankshaft position
sensor (REF)
[Engine is running]
I Warm-up condition
I Idle speed
Approximately 2.3V★
(AC voltage)
SEF581X
66
76
W
W
Camshaft position sen-
sor (PHASE)
[Engine is running]
I Warm-up condition
I Idle speed
Approximately 4.2V★
(AC voltage)
SEF582X
67 W/L
Power supply for ECM
(Buck-up)
[Ignition switch “OFF”]
BATTERY VOLTAGE
(11 - 14V)
70 Y
Engine coolant tem-
perature sensor
[Engine is running]
Approximately 0 - 4.8V
Output voltage varies with
engine coolant temperature.
71 W
Heated oxygen sensor
2 (rear) (bank 2)
[Engine is running]
I Warm-up condition
I Engine speed is 2,000 rpm.
0 - Approximately 1.0V
72 W
Heated oxygen sensor
2 (rear) (bank 1)
[Engine is running]
I Warm-up condition
I Engine speed is 2,000 rpm.
0 - Approximately 1.0V
GI
MA
EM
LC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
ECM Terminals and Reference Value (Cont’d)
EC-137
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