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TER-
MINAL
NO.
WIRE
COLOR
ITEM CONDITION DATA (DC Voltage)
5 R/Y
EVAP canister purge
volume control sole-
noid valve
[Engine is running]
쐌 Idle speed
BATTERY VOLTAGE
(11 - 14V)
SEF994U
[Engine is running]
쐌 Engine speed is 2,000 rpm (More than 100 sec-
onds after starting engine)
BATTERY VOLTAGE
(11 - 14V)
SEF995U
7 Y/G A/T check signal
[Ignition switch ON]
[Engine is running]
0 - 3.0V
9 B/Y
Ambient air tempera-
ture switch
[Engine is running]
쐌 Idle speed
쐌 Ambient air temperature is above 25°C (77°F)
쐌 Air conditioner is operating
0V
[Engine is running]
쐌 Idle speed
쐌 Ambient air temperature is below 19°C (66°F)
쐌 Air conditioner is operating
BATTERY VOLTAGE
(11 - 14V)
[Engine is running]
쐌 Idle speed
쐌 Ambient air temperature is below 19°C (66°F)
쐌 Air conditioner is not operating
Approximately 5V
10 B/R ECM ground
[Engine is running]
쐌 Idle speed
Engine ground
11 W/R Fuel pump relay
[Ignition switch ON]
쐌 For 5 seconds after turning ignition switch ON
[Engine is running]
0-1V
[Ignition switch ON]
쐌 More than 5 seconds after turning ignition switch
ON
BATTERY VOLTAGE
(11 - 14V)
12 P Air conditioner relay
[Engine is running]
쐌 Both A/C switch and blower switch are ON*1
0-1V
[Engine is running]
쐌 A/C switch is OFF
BATTERY VOLTAGE
(11 - 14V)
18 R/W
Malfunction indicator
lamp
[Ignition switch ON] 0-1V
[Engine is running]
쐌 Idle speed
BATTERY VOLTAGE
(11 - 14V)
19 B/R ECM ground
[Engine is running]
쐌 Idle speed
Engine ground
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
VG33E
ECM Terminals and Reference Value (Cont’d)
EC-721
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
GI
MA
EM
LC
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