Suzuki DF 60 - Engine Control System

ENGINE CONTROL SYSTEM 3-1
ENGINE CONTROL SYSTEM
3
ENGINE CONTROL SYSTEM STRUCTURE ____________________ 3- 2
SYSTEM STRUCTURE 1 ................................................................................ 3- 2
SYSTEM STRUCTURE 2 ................................................................................ 3- 3
WIRING DIAGRAM FOR ENGINE CONTROL ............................................... 3- 4
COMPONENTS FOR SYSTEM CONTROL ______________________ 3- 5
ENGINE CONTROL MODULE (ECM) ............................................................ 3- 5
SENSOR AND SWITCH .................................................................................. 3- 8
IGNITION SYSTEM ________________________________________ 3-12
IGNITION CONTROL SYSTEM ...................................................................... 3-12
ELECTRONIC FUEL INJECTION SYSTEM _____________________ 3-14
FUEL INJECTION CONTROL SYSTEM......................................................... 3-14
FUEL DELIVERY SYSTEM COMPONENTS .................................................. 3-16
FUEL PUMP CONTROL SYSTEM ................................................................. 3-19
AIR INTAKE COMPONENTS .......................................................................... 3-20
IDLE AIR CONTROL SYSTEM ....................................................................... 3-21
CAUTION SYSTEM ________________________________________ 3-23
OVER-REVOLUTION CAUTION SYSTEM ..................................................... 3-23
LOW OIL PRESSURE CAUTION SYSTEM.................................................... 3-24
OVERHEAT CAUTION SYSTEM .................................................................... 3-25
LOW BATTERY VOLTAGE CAUTION SYSTEM ............................................. 3-26
SELF-DIAGNOSTIC SYSTEM ________________________________ 3-27
PRIORITY / CODE / PATTERN FOR SELF-DIAGNOSTIC
SYSTEM OPERATION ....................................................................................
3-27
CONDITION FOR SELF-DIAGNOSTIC SYSTEM OPERATION ................... 3-29
FAIL-SAFE SYSTEM _______________________________________ 3-30
PRE-PROGRAMMED VALUE FOR FAIL-SAFE SYSTEM ............................ 3-30
OPERATING HOUR INDICATION SYSTEM _____________________ 3-31
OIL CHANGE REMINDER SYSTEM ___________________________ 3-32
START-IN-GEAR PROTECTION SYSTEM ______________________ 3-34
O
2
FEEDBACK SYSTEM ____________________________________ 3-35
INSPECTION _____________________________________________ 3-36
PRECAUTION ON SYSTEM INSPECTION .................................................... 3-36
44-PIN TEST CORD ......................................................................................... 3-36
INSPECTION FOR ECM CIRCUIT VOLTAGE ................................................ 3-37
INSPECTION FOR RESISTANCE .................................................................. 3-39
COMPONENT INSPECTIONS ........................................................................ 3-40
TROUBLESHOOTING ______________________________________ 3-45
REMOVAL / INSTALLATION _________________________________ 3-51
FLYWHEEL / CKP SENSOR / CMP SENSOR ............................................... 3-51
OIL PRESSURE SWITCH ............................................................................... 3-53
CONTENTS