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TERMI-
NAL
NO.
WIRE
COLOR
ITEM CONDITION DATA (DC Voltage)
21
22
23
30
31
32
Y/R
G/R
L/R
GY
PU/W
GY/R
Ignition signal No. 1
Ignition signal No. 2
Ignition signal No. 3
Ignition signal No. 4
Ignition signal No. 5
Ignition signal No. 6
[Engine is running]
I Warm-up condition
I Idle speed
0 - 0.2V★
SEF399T
[Engine is running]
I Warm-up condition
I Engine speed is 2,500 rpm.
0.1 - 0.3V★
SEF645T
25 W/G Tachometer
[Engine is running]
I Warm-up condition
I Idle speed
10-11V★
SEF579X
[Engine is running]
I Warm-up condition
I Engine speed is 2,500 rpm.
10-11V★
SEF580X
26 W/B
ECM relay
(Self shutt-off)
[Engine is running]
[Ignition switch “OFF”]
I For a few seconds after turning ignition switch
“OFF”
0 - 1.5V
[Ignition switch “OFF”]
I A few seconds passed after turning ignition
switch “OFF”
BATTERY VOLTAGE
(11 - 14V)
27 B/R Air conditioner relay
[Engine is running]
I Both A/C switch and blower switch are “ON”
(Compressor is operating).
0 - 1.0V
[Engine is running]
I A/C switch is “OFF”.
BATTERY VOLTAGE
(11 - 14V)
28 B/P Fuel pump relay
[Ignition switch “ON”]
I For 1 second after turning ignition switch “ON”
[Engine is running]
0 - 1.5V
[Ignition switch “ON”]
I 1 second passed after turning ignition switch
“ON”.
BATTERY VOLTAGE
(11 - 14V)
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
ECM Terminals and Reference Value (Cont’d)
EC-134
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