Sym RV 250i - Integrated Troubleshooting Procedure; Efi System Components

4. Fuel Injection System
4-1
EFi System Components····················· 4-1
EFi System Vehicle Configuration ····· 4-2
EFi System Operation ························· 4-3
EFi System Introduction······················ 4-4
Fuel System·········································· 4-5
Ignition System ···································· 4-6
Sensors / Drives··································· 4-7
Precautions in Operation ···················· 4-14
EFi System Components Description 4-15
EFi System Circuit ······························· 4-31
ECU Pin Configuration ························ 4-32
Troubleshooting ·································· 4-33
Integrated Troubleshooting Procedure
······························································· 4-37
Air Cleaner ············································ 4-40
EFi System Diagnosis Methods ·········· 4-41
Check Light Fault Codes Differentiation
······························································· 4-42
Fault Code And Sensors Table ··········· 4-43
Fault Code and Check Light Flashing
Lighting Identification Table ··············· 4-44
EFi System Diagnostic Tool - V70 ······ 4-45
Diagnosis Use Note ····························· 4-46
Troubleshooting Table························· 4-58
Comprehensive Maintenance List ······ 4-59
EFi System Components
4
ISC
(Stepper motor)
TW
Sensor
MAP
Sensor
Injecto
r
TPS
TA
Sensor
Fuel
pump
Roll over
sensor
Battery
ECU
Ignition coil
A
ISV
Diagnostic tool
EFi Check light
Power
relay
CPS
O2
Senso
r
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