TOHATSU BFT115A Service Manual page 690

SYSTEM DIAGRAM
22-6
No.4 (30A)
No.8 (10A)
No.3 (30A)
CHECK
VALVE
No.5 (10A)
VAPOR
FILTER
BATTERY
FUEL
FUEL STRAINER
PUMP (HIGH PRESSURE
(HIGH SIDE)
PRESSURE To mount
VAPOR
SIDE) case
SEPARATOR
No.3
No.2
IGNITION COIL IGNITION COIL
IGNITER IGNITER
No.4 FUEL No.3 FUEL No.2 FUEL
FUEL INJECTOR INJECTOR INJECTOR
STRAINER
WATER (LOW PRESSURE
SEPARATOR SIDE)
PRESSURE
REGULATOR
FUEL PUMP
No.1 (LOW
IGNITION PRESSURE
SIDE)
COIL
WATER
LEVEL No.1 FUEL
SENSOR To silencer case INJECTOR
To fuel
tank
ECT
SENSOR 3
5 A/F
SENSOR
ECT ECT SENSOR 2
SENSOR 1
ECT SENSOR 4
EOP KNOCK
SENSOR SENSOR
2
CKP
SENSOR
FUSE/RELAY JUNCTION BOX
No.11 (15A)
1
No.9 (15A)
MAIN RELAY 2 3
No.10 (10A)
OFF
LOAD
ST
FUEL PUMP RELAY
COMBINATION
SWITCH
(OPTION)
4 6
STARTER RELAY
A/F SENSOR HEATER RELAY IGP1 PG1
IGP2 PG2
FLR1 PG3
5
FLR2 PG4
2
To starter
LG1
motor
LG2
NTSW
6 TDC
VCC3
NEUTRAL
TRMA
SWITCH CMP
TRIM TRIM SENSOR
METER ANGLE
(OPTION) SENSOR INJ4
INJ3 TROLLING CONTROL
SWITCH (OPTION)
INJ2
INJ1
Up
IGN1 TLUP
IGN2
IGN3
TLDN
No.4 IGNITION COIL IGN4
Down
IGNITER
LAFR
1
ACGL
4
S L
IC REG.
ACGLP
SG1
PB
WARN-L
VCC1
THL
VCC2
OHL
SG2
TP
SENSOR TA
OPL
ECM
MAP To head
SENSOR cover
IAT
BUZZER (OPTION)
SENSOR
BUZZ
TACHOMETER
TACHO
(OPTION)
IAC VALVE EMS1
EMS2
EMERGENCY
STOP SWITCH
SILENCER
(OPTION)
CASE
SCS
To
front bracket
K-LINE
EACVP
EACVM
TOH1
TOH3
FUEL CONSUMPTION
KS FUP
METER (OPTION)
CRK
POIL
TE
LAFHT
LAFHT+
AFC
AFV
TOH2
FFD
NET-H
NET-L
NMEA 2000 NET-C
NET-S
NET-SHIELD
: Low pressure fuel line
: High pressure fuel line
3
IG
IC REGULATOR
(ALTERNATOR)
6
ALTERNATOR INDICATOR
LIGHT
MIL (OPTION)
OVERHEAT INDICATOR
LIGHT (OPTION)
OIL INDICATOR LIGHT (OPTION)
3
DLC
TACHOMETER
PULSE CHECK
CONNECTOR