Fi System And Intake Air - Suzuki GSX-R750 Service Manual

FI SYSTEM AND INTAKE AIR SYSTEM
PRECAUTIONS IN SERVICING ....................................................... 4- 2
FI SYSTEM TECHNICAL FEATURES ............................................. 4- 8
INJECTION TIME ........................................................................... 4- 8
COMPENSATION OF INJECTION TIME ....................................... 4- 9
INJECTION STOP CONTROL ...................................................... 4- 9
FUEL DELIVERY SYSTEM .......................................................... 4-10
FUEL PUMP .................................................................................. 4-11
FUEL PRESSURE REGULATOR ................................................ 4-12
FUEL INJECTOR .......................................................................... 4-12
FUEL PUMP CONTROL SYSTEM ............................................... 4-13
ECM (FI CONTROL UNIT) ............................................................ 4-14
INJECTION TIMING ....................................................................... 4-15
SENSORS ..................................................................................... 4-16
INTAKE AIR SYSTEM ...................................................................... 4-20
SECONDARY THROTTLE CONTROL SYSTEM ......................... 4-20
OPERATION .................................................................................. 4-21
FI SYSTEM PARTS LOCATION ....................................................... 4-22
FI SYSTEM DIAGRAM ..................................................................... 4-24
FI SYSTEM WIRING DIAGRAM ....................................................... 4-25
SELF-DIAGNOSIS FUNCTION ........................................................ 4-26
USER MODE ................................................................................. 4-26
DEALER MODE ............................................................................ 4-27
FAIL-SAFE FUNCTION .................................................................... 4-29
FI SYSTEM TROUBLESHOOTING .................................................. 4-30
CUSTOMER COMPLAINT ANALYSIS ......................................... 4-30
SELF-DIAGNOSTIC PROCEDURES ........................................... 4-31
SELF-DIAGNOSIS RESET PROCEDURE ................................... 4-31
MALFUNCTION CODE AND DEFECTIVE CONDITION ............. 4-32
"C11" CMP SENSOR CIRCUIT MALFUNCTION ........................ 4-34
"C12" CKP SENSOR CIRCUIT MALFUNCTION......................... 4-35
"C13" IAP SENSOR CIRCUIT MALFUNCTION .......................... 4-36
"C14" TP SENSOR CIRCUIT MALFUNCTION ............................ 4-38
"C15" ECT SENSOR CIRCUIT MALFUNCTION ......................... 4-40
"C21" IAT SENSOR CIRCUIT MALFUNCTION ........................... 4-41
"C22" AP SENSOR CIRCUIT MALFUNCTION ........................... 4-42
"C23" TO SENSOR CIRCUIT MALFUNCTION ............................ 4-44
"C24", "C25", "C26" or "C27" IGNITION SYSTEM
MALFUNCTION ............................................................................ 4-45
"C28" STV ACTUATOR CIRCUIT MALFUNCTION ..................... 4-45
"C31" GEAR POSITION SWITCH CIRCUIT MALFUNCTION ..... 4-48
"C32", "C33", "C34" or "C35" FUEL INJECTION
MALFUNCTION ............................................................................ 4-49
"C41" FP RELAY CIRCUIT MALFUNCTION ............................... 4-50
"C42" IG SWITCH CIRCUIT MALFUNCTION .............................. 4-50
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