TOHATSU BFT250A Service Manual page 123

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TOOLS······································································ 5-2
SERVICE PRECAUTIONS ······································· 5-3
SYSTEM LOCATION ··············································· 5-9
PIPING CONNECTIONS ········································ 5-10
CIRCUIT DIAGRAM ··············································· 5-11
ECM TERMINAL ARRANGEMENT ······················· 5-13
DTC TROUBLESHOOTING ··································· 5-15
MIL TROUBLESHOOTING ···································· 5-45
FUEL PRESSURE RELIEVING ····························· 5-66
FUEL PUMP (LOW PRESSURE SIDE) REMOVAL/
INSTALLATION······················································ 5-67
COOLING FAN COVER REMOVAL/
INSTALLATION······················································ 5-68
THROTTLE BODY REMOVAL/INSTALLATION/
CLEANING ····························································· 5-71
INTAKE MANIFOLD REMOVAL/
INSTALLATION······················································ 5-72
FUEL INJECTORS/FUEL PRESSURE REGULATOR
REMOVAL/INSTALLATION··································· 5-78
FUEL PUMP (HIGH PRESSURE SIDE)/VAPOR
SEPARATOR REMOVAL/INSTALLATION ··········· 5-86
AIR VENT STRAINER/AIR VENT TUBE REMOVAL/
INSTALLATION······················································ 5-92
WATER SEPARATOR/WATER LEVEL SENSOR
REMOVAL/INSTALLATION/CLEANING··············· 5-93
EXHAUST MANIFOLD REMOVAL/
INSTALLATION······················································ 5-95
EXHAUST MANIFOLD ANODE REMOVAL/
INSTALLATION······················································ 5-97
MAP SENSOR REMOVAL/INSTALLATION ········· 5-98
IAT SENSOR REMOVAL/INSTALLATION············ 5-98
IAC VALVE REMOVAL/INSTALLATION ·············· 5-99
EMT SENSOR REMOVAL/INSTALLATION·········· 5-99
HO2S REMOVAL/INSTALLATION······················ 5-100
VTEC SOLENOID VALVE REMOVAL/
INSTALLATION···················································· 5-101
CKP SENSOR REMOVAL/INSTALLATION········ 5-102
5. FUEL SYSTEM
IAB CONTROL SOLENOID VALVE REMOVAL/
INSTALLATION····················································5-102
CMP SENSOR REMOVAL/INSTALLATION········5-103
EOP SWITCH (HIGH PRESSURE SIDE) REMOVAL/
INSTALLATION····················································5-103
EOP SWITCH (LOW PRESSURE SIDE) REMOVAL/
INSTALLATION····················································5-104
KNOCK SENSOR REMOVAL/
INSTALLATION····················································5-104
EBT SENSOR REMOVAL/INSTALLATION ········5-105
FUEL PUMP (HIGH PRESSURE SIDE)/FUEL FILTER
DISASSEMBLY/ASSEMBLY ·······························5-106
VAPOR SEPARATOR DISASSEMBLY/
ASSEMBLY ··························································5-109
FUEL PRESSURE MEASUREMENT···················5-110
FUEL PRESSURE REGULATOR
INSPECTION ························································5-111
FUEL PUMP (LOW PRESSURE SIDE)
INSPECTION ························································5-112
FUEL PUMP (HIGH PRESSURE SIDE)
INSPECTION ························································5-113
VAPOR SEPARATOR INSPECTION···················5-115
FUEL INJECTOR INSPECTION···························5-116
THROTTLE BODY INSPECTION·························5-117
IAB CONTROL SOLENOID VALVE
INSPECTION ························································5-118
EOP SWITCH (HIGH PRESSURE SIDE)
INSPECTION ························································5-120
EOP SWITCH (LOW PRESSURE SIDE)
INSPECTION ························································5-121
EBT/EMT SENSOR INSPECTION ·······················5-122
CKP SENSOR INSPECTION ·······························5-123
CMP SENSOR INSPECTION ·······························5-123
WATER LEVEL SENSOR INSPECTION ·············5-124
VTEC SPOOL SOLENOID VALVE
INSPECTION ························································5-125
IAC VALVE INSPECTION ····································5-125
HO2S INSPECTION ·············································5-126
INTAKE MANIFOLD STUD BOLT
REPLACEMENT···················································5-127
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5-1