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TROUBLE DIAGNOSIS
EC-601
[QR (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
35 P/L Heated oxygen sensor 1
[Engine is running]
● Warm-up condition
● Engine speed is 2,000 rpm
0 - Approximately 1.0V
(Periodically change)
46 R
Sensor power supply
(Refrigerant pressure sen-
sor)
[Ignition switch: ON] Approximately 5V
47 R
Sensor power supply
(Throttle position sensor)
[Ignition switch: ON] Approximately 5V
49 W Throttle position sensor 1
[Ignition switch: ON]
● Engine stopped
● Shift lever: D (A/T), 1st (M/T)
● Accelerator pedal: Fully released
More than 0.36V
[Ignition switch: ON]
● Engine stopped
● Shift lever: D (A/T), 1st (M/T)
● Accelerator pedal: Fully depressed
Less than 4.75V
50 OR Mass air flow sensor
[Ignition switch: ON] Approximately 0.4V
[Engine is running]
● Warm-up condition
● Idle speed
0.7 - 1.1V (QR20DE)
0.8 - 1.2V (QR25DE)
[Engine is running]
● Warm-up condition
● Engine is revving from idle to about 4,000
rpm
0.7 - 1.1 to approximately 4.0V
(QR20DE)
0.8 - 1.2 to approximately 4.0V
(QR25DE)
(Check for liner voltage rise in
response to engine being
increased to about 4,000 rpm)
54 —
Sensor ground
(Knock sensor)
[Engine is running]
● Warm-up condition
● Idle speed
Approximately 0V
57 B Sensor ground
[Engine is running]
● Warm-up condition
● Idle speed
Approximately 0V
60
61
79
80
L/R
BR
GY/R
PU
Ignition signal No. 3
Ignition signal No. 1
Ignition signal No. 4
Ignition signal No. 2
[Engine is running]
● Warm-up condition
● Idle speed
NOTE:
The pulse cycle changes depending on
rpm at idle
0 - 0.1V
[Engine is running]
● Warm-up condition
● Engine speed is 2,000 rpm
0 - 0.2V
TERMI-
NAL
NO.
WIRE
COLOR
ITEM CONDITION DATA (DC Voltage)
PBIB0521E
PBIB0522E
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