5-9
BF135A•BF150A
ECM CONNECTOR B
HARNESS SIDE CONNECTOR
VIEWED FROM THE TERMINAL SIDE
Terminal
Wire Terminal
Name
Content/Signal
No.
color
mark
1
Not used
2
G
TDC
CMP sensor
CMP sensor signal
3
Bu
CRK
CKP sensor
CKP sensor signal
4
Br/Y
VCC1
Sensor power 1
Power for sensor (5V)
5
W/R
PB
MAP sensor
Detects vacuum at the intake manifold.
6
G/R
SG1
Sensor ground 1
7
R/Bl
THL
TP sensor
Detects throttle position.
8
R/W
TE
ECT sensor 1
Detects cylinder block engine temperature.
9
Not used
10
Lg/R
FLR1
Fuel pump relay 1
Power to drive fuel pump relay
11
R/Y
TA
IAT sensor
Detects intake air temperature.
12
R/Bl
TOH1
ECT sensor 2
Detects cylinder head temperature.
13
R/Bu
NTSW
Neutral switch
At switch ON (Neutral): Approx. 0V
At switch OFF: Battery voltage
14
P
OPSL
EOP switch (Low pressure side)
At switch ON: Approx. 0V
At switch OFF: Battery voltage
15
Bu
K-LINE
Communication signal
At ignition switch ON: Approx. 12V
16
Lg/W
SCS
Service check signal
17
G/Bl
LG1
Logic ground 1
18
Y/G
BUZZ
Buzzer
Power to sound buzzer
19
W/Bu
ACGL
Alternator indicator light
Inputs alternator indicator light ON signal.
20
Bl/R
EMS1
Emergency stop switch 1
At switch ON: Approx. 0V
At switch OFF: Battery voltage
21
Br
INJ1
No. 1 injector
Power to drive No. 1 injector
22
Bu
IGN1
No. 1 ignition coil
Outputs No. 1 ignition signal.
23
R
INJ2
No. 2 injector
Power to drive No. 2 injector
24
Bu/Bl
IGN2
No. 2 ignition coil
Outputs No. 2 ignition signal.
25
R/Bu
WARNL
MIL
Power to turn MIL ON
26
G/W
EACVP
IAC valve (+)
Power to drive IAC valve (+)
27
Bu
INJ3
No. 3 injector
Power to drive No. 3 injector
28
W/G
IGN3
No. 3 ignition coil
Outputs No. 3 ignition signal
29
Y
INJ4
No. 4 injector
Power to drive No. 4 injector
30
Bu/R
IGN4
No. 4 ignition signal
Outputs No. 4 ignition signal
31
R
OHL
Overheat indicator light
Overheat indicator light ON line
32
Y
OPL
Oil pressure light
Oil indicator light ON line
33
Gr
TACHO
Tachometer pulse
Drives tachometer.
34
Bl
EACVM
IAC valve (–)
Power to drive IAC valve (–)