TOHATSU BFT115A Service Manual page 173

MIL TURNS ON BUT DOES NOT BLINK WITH SCS SERVICE CHECK
CONNECTOR CONNECTED
Bl Black Br Brown
Y Yellow O Orange
Bu Blue Lb Light blue
Lg
G Green Light green
R Red P Pink
W White Gr Gray
OPTION
COMBINATION
SWITCH
LOAD
Bl/Y Bl/Y
BAT
W/Bl W/Bl
INDICATOR
LAMP
(MIL)
BAT
Bl/Y Bl/Y
WARNL
R/Bu R/Bu
R/Bu
W/Bl
1. DLC signal line short circuit inspection
Turn the combination switch OFF and remove the
SCS service check connector (1) from DLC
(2).
Turn the combination switch ON.
Measure the voltage between the DLC
(Light green) terminal and engine ground.
Is the measurement within 4.75 – 5.25 V?
YES – GO TO STEP 2.
NO – Repair short in the Light green wire.
No. 9
FUSE
(15 A)
ECM 6 7
12 15
PG4
G
WARNL
R/Bu
THL
R/Bl
12V
PB
W/R
K-LINE
Bu
PG3
G
TRMA
Y/Bu
5V
VCC1
Br/Y
5V
VCC2
Br/W
IGP1
Y/Bl
IGP2
Y/Bu
PG1
G/R
5V
VCC3
Lg/Bl
SG1
G/R
5V
SG2
G/R
SCS
Lg
LG1 G/Bl
PG2
G/R
13
3
R/Bu
2
W/Bl
TP SENSOR MAP SENSOR
1 2 3 1 2 3
20
30
Br/W R/Bl G/R Br/Y W/R G/R
W/Bl
G G/Bl
Bl
Bu
G/R
GND2 GND3
(2)
11
No.4
11
FUEL SYSTEM
No. 5 No. 10
FUSE FUSE
(10 A) (10 A)
4 11
15 16
SCS
Y/R
11
SERVICE
CHECK
Bu
CONNECTOR
Bl
Y/R
Lg
DLC
28
G/R
JOINT
CONNECTOR 2
G/R
TRIM
ANGLE
SENSOR
22
Lg/Bl
Y/Bu
Bl
G/Bl G/Bl W/Bl W/Bl Bl Bl Bl
29
17 20 21 24 6 3 2
JOINT
CONNECTOR 1
DLC
11
SCS
(Light green)
(1)
5-55