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5. FUEL INJECTION SYSTEM
MOVIE S 150i
CONTENTS
Layout ..................................................................................5-1
Fi system diagram...............................................................5-2
Kehin system working principle........................................5-3
Kehin system flow chart .....................................................5-4
EMS specifications..............................................................5-6
Troubleshooting ..................................................................5-7
CELP failure codes list .......................................................5-8
Diagnostic record list ........................................................5-10
Fi diagnostic tool operation instruction ..........................5-11
Vehicle can't be started ....................................................5-23
Manual troubleshooting procedure.................................5-24
Self-diagnostic procedure.................................................5-25
TPS/ISC reset procedure..................................................5-26
Fuel unit/Fuel tank ...........................................................5-27
Fuel pump..........................................................................5-28
ECU....................................................................................5-30
ECU pin function ..............................................................5-31
Injector ..............................................................................5-32
Fi fuel injector cleaning method ......................................5-33
Oxygen sensor ...................................................................5-34
Throttle body / MAP / TPS ..............................................5-38
Engine temperature sensor ..............................................5-39
5-0