CIRCUIT VOLTAGE TABLE
TER-
WIRE
MINAL
COLOR
—
1
2
Bl/R
Emergency stop switch
Buzzer cancel
3
O
4
Y/B
Tachometer
Neutral switch
5
Br
6
—
7
V/W
Ex-manifold temp. sensor
8
—
Lg/W
Cylinder temp. sensor
9
10
B
Ground for ECM
11
B/W
Ground for sensors
12
Bl/B
Oil lamp
13
Ground for ECM main relay
P/B
14
—
15
CKP sensor
R/B
16
O/Y
PC communication
17
TEMP lamp
G/Y
18
B/R
IAC valve solenoid (–)
19
—
20
B
Ground for ignition coil
21
—
22
Lg
No.4 Fuel injector (–)
23
Bl
Oil pressure switch
24
Lg/R
CTP switch
REV-LIMIT lamp
25
P
26
CHECK ENGINE lamp
G/W
27
Buzzer
Bl/W
28
—
29
W
MAP sensor
30
ECM power source
Gr
31
Lg/B
IAT sensor
32
B
Ground for ECM
33
O/G
CMP sensor
34
O
feedback / PC communication
B/G
2
35
R
Power source for MAP sensor
36
PC communication
Y
37
B/W
Fuel pump (–)
38
No.3 Fuel injector
R/W
39
B/Y
No.2 Fuel injector injecortor
40
No.1 Fuel injector
O/B
41
—
Ground for ignition coil
42
B
No.2 Ignition (–)
43
Bl
No.1 Ignition (–)
44
O
STANDARD
CIRCUIT
VOLTAGE
—
Approx. 5V
Approx. 0V
Approx. 12V
Approx. 0V
Approx. 0V
Approx. 2.5V
6 – 12V
—
0.10 – 4.63V
—
0.10 – 4.63V
—
Approx. 12V
—
—
Approx. 12V
Approx. 5V
Approx. 0V
Approx. 12V
Approx. 0V
—
0.20 – 4.53V
Approx. 12V
0.04 – 4.46V
Approx. 0.3V or 5V
Approx. 5V
Approx. 0V
Approx. 12V
Approx. 12V
Approx. 12V
Approx. 12V
—
Approx. 12V
Approx. 12V
ENGINE CONTROL SYSTEM
CONDITION / REMARKS
—
—
Ignition switch ON, stop switch plate IN
Ignition switch ON, stop switch plate OUT
Ignition switch ON, key pushed in
Ignition switch ON, key not pushed in
—
—
Ignition switch ON, shift in NEUTRAL
Ignition switch ON, shift in FORWARD or REVERSE
While engine cranking.
—
—
Ignition switch ON
—
—
Ignition switch ON
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ignition switch ON
—
—
—
—
—
—
Ignition switch ON
Engine running
Engine stopped (Ignition switch ON)
Ignition switch ON, throttle open (any position)
Ignition switch ON, throttle fully closed
—
—
—
—
—
—
—
—
Ignition switch ON
Ignition switch ON
Ignition switch ON
—
—
Ignition switch ON
—
—
Ignition switch ON
—
—
For 3 sec. after ignition switch ON
Engine running
Engine stopped (Ignition switch ON)
Ignition switch ON
Ignition switch ON
Ignition switch ON
—
—
—
—
Ignition switch ON
Ignition switch ON
3-37
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