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TER-
MINAL
NO.
WIRE
COLOR
ITEM CONDITION DATA (DC Voltage)
20 L/OR Start signal
[Ignition switch ON] Approximately 0V
[Ignition switch START] 9 - 12V
21 G/R Air conditioner switch
[Engine is running]
쐌 Both A/C switch and blower switch are ON (Com-
pressor operates)*1
Approximately 0V
[Engine is running]
쐌 A/C switch is OFF
BATTERY VOLTAGE
(11 - 14V)
22 L/B
Park/neutral position
(PNP) switch
[Ignition switch ON]
쐌 Gear position is “N” or “P”
Approximately 0V
[Ignition switch ON]
쐌 Except the above gear position
Approximately 5V
23 L Throttle position sensor
[Engine is running]
쐌 Warm-up condition
쐌 More than -40.0 kpa (-300 mmHg, -11.81 inHg) of
vacuum is applied to the throttle opener with a
hand vacuum pump.
쐌 Accelerator pedal fully released
0.15 - 0.85V
[Ignition switch ON]
쐌 Accelerator pedal fully depressed
3.5 - 4.7V
24 W/L Ignition switch
[Ignition switch OFF] 0V
[Ignition switch ON]
BATTERY VOLTAGE
(11 - 14V)
25 B/Y ECM ground
[Engine is running]
쐌 Idle speed
Engine ground
26 PU/W A/T signal No. 1
[Ignition switch ON]
[Engine is running]
쐌 Idle speed
6-8V
27 P/B A/T signal No. 2
[Ignition switch ON]
[Engine is running]
쐌 Idle speed
6-8V
28 BR/W
Throttle position switch
(Closed position)
[Engine is running]
쐌 Warm-up condition
쐌 More than -40.0 kpa (-300 mmHg, -11.81 inHg) of
vacuum is applied to the throttle opener with a
hand vacuum pump.
쐌 Accelerator pedal fully released
BATTERY VOLTAGE
(11 - 14V)
[Ignition switch ON]
쐌 Accelerator pedal depressed
Approximately 0V
29 G/B Vehicle speed sensor
[Engine is running]
쐌 Lift up the vehicle.
쐌 In 2nd gear position
쐌 Vehicle speed is 40 km/h (25 MPH)
2-3V
SEF996U
32 B/Y ECM ground
[Engine is running]
쐌 Idle speed
Engine ground
(Probe this terminal with (−)
tester probe when measuring)
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
VG33E
ECM Terminals and Reference Value (Cont’d)
EC-722
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