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5-8
BF135A•BF150A
• ECM TERMINAL LAYOUT
ECM CONNECTOR A
HARNESS SIDE CONNECTOR
VIEWED FROM THE TERMINAL SIDE
Terminal
Wire Terminal
Name
Content/Signal
No.
color
mark
1
G/W
LG2
Logic ground 2 (Common with B17)
2
G/R
SG2
Sensor ground 2
3
Not used
4
W/Bl
AFV1
A/F sensor (V)
Power source for the A/F sensor
5
W/Bu
PA
BARO sensor
At ignition switch ON: Approx. 3V
6
R/G
TOH3
ECT sensor 4
Detects cylinder block temperature.
7
Not used
8
Not used
9
Not used
10
Not used
11
Br/W
VCC2
Sensor power 2
At ignition switch ON: Approx. 5V
12
Lg/Bl
VCC3
Sensor power 3
At ignition switch ON: Approx. 5V
13
Lg/R
FLR2
Fuel pump relay 2
14
Bl/Y
AFC1
A/F sensor (C)
15
R/Bu
KS
Knock sensor
16
R
TOH2
ECT sensor 3
Detects exhaust port temperature.
17
Y/R
OPSH
EOP switch (High pressure side)
At switch ON: Approx. 0V
At switch OFF: Battery voltage
18
Not used
19
Br
EFD
Fuel filter water level switch
At switch ON (High water level): Approx. 0V
At switch OFF: Battery voltage
20
G/Y
VTS
VTEC solenoid valve
Power to drive solenoid valve:
High engine rpm (4,300 min
-1
/rpm or above): ON
21
G
FUP
Fuel gauge
Power to drive fuel gauge
22
Not used
23
Not used
24
Bl/R
EMS2
Emergency stop switch 2
At switch ON: Approx. 0V
At switch OFF: Battery voltage
25
G/O
LAFR
A/F sensor heater relay
Power to drive A/F sensor heater relay
26
Bl
SVS
IAB solenoid valve
Power to drive IAB solenoid valve
High engine rpm (4,300 min
-1
/rpm or above): ON