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TROUBLE DIAGNOSIS
EC-605
[QR (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
*1: For QR25DE engine models
114 B/OR Fuel pump relay
[Ignition switch: ON]
● For 1 second after turning ignition switch
ON
[Engine is running]
0 - 1.0V
[Ignition switch: ON]
● More than 1 second after turning ignition
switch ON
BATTERY VOLTAGE
(11 - 14V)
115
116
B
B
ECM ground
[Engine is running]
● Idle speed
Body ground
119
120
SB
GY
Power supply for ECM [Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14V)
121 W/L
Power supply for ECM
(Back-up)
[Ignition switch: OFF]
BATTERY VOLTAGE
(11 - 14V)
TERMI-
NAL
NO.
WIRE
COLOR
ITEM CONDITION DATA (DC Voltage)
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