Suzuki DL1000 - FI System

CONTENTS
FI SYSTEM
PRECAUTIONS IN SERVICING .....................................................................4- 2
CONNECTOR/COUPLER ......................................................................4- 2
FUSE ......................................................................................................4- 3
ECM/VARIOUS SENSORS ....................................................................4- 3
ELECTRICAL CIRCUIT INSPECTION PROCEDURE ..........................4- 5
USING TESTERS ...................................................................................4- 8
FI SYSTEM TECHNICAL FEATURES ............................................................4- 9
INJECTION TIME (INJECTION VOLUME) ............................................4- 9
COMPENSATION OF INJECTION TIME (VOLUME) ............................4-10
INJECTION STOP CONTROL ...............................................................4-10
FUEL DELIVERY SYSTEM ...................................................................4-11
FUEL PUMP ...........................................................................................4-12
FUEL PRESSURE REGULATOR ..........................................................4-13
FUEL INJECTOR ...................................................................................4-13
FUEL PUMP CONTROL SYSTEM ........................................................4-14
ECM (FI CONTROL UNIT) .....................................................................4-15
INJECTION TIMING ...............................................................................4-15
SENSORS ..............................................................................................4-16
FI SYSTEM PARTS LOCATION .....................................................................4-20
FI SYSTEM WIRING DIAGRAM .....................................................................4-22
SELF-DIAGNOSIS FUNCTION .......................................................................4-23
USER MODE ..........................................................................................4-23
DEALER MODE .....................................................................................4-24
TPS ADJUSTMENT ...............................................................................4-25
FAIL-SAFE FUNCTION ...................................................................................4-26
FI SYSTEM TROUBLESHOOTING ................................................................4-27
CUSTOMER COMPLAINT ANALYSIS .................................................4-27
SELF-DIAGNOSTIC PROCEDURES ....................................................4-29
SELF-DIAGNOSIS RESET PROCEDURE ............................................4-29
MALFUNCTION CODE AND DEFECTIVE CONDITION .......................4-30
“C11” CMP SENSOR CIRCUIT MALFUNCTION .................................4-32
“C12” CKP SENSOR CIRCUIT MALFUNCTION ..................................4-33
“C13” IAP SENSOR CIRCUIT MALFUNCTION ...................................4-34
“C14” TP SENSOR CIRCUIT MALFUNCTION .....................................4-36
“C15” ECT SENSOR CIRCUIT MALFUNCTION ..................................4-38
“C21” IAT SENSOR CIRCUIT MALFUNCTION ...................................4-39
“C22” AP SENSOR CIRCUIT MALFUNCTION ....................................4-40
“C23” TO SENSOR CIRCUIT MALFUNCTION ....................................4-42
“C24” or “C25” IGNITION SYSTEM MALFUNCTION .........................4-43
“C28” STV ACTUATOR CIRCUIT MALFUNCTION .............................4-43
“C29” STP SENSOR CIRCUIT MALFUNCTION ..................................4-44
“C31” GEAR POSITION (GP) SWITCH CIRCUIT MALFUNCTION .....4-46
“C32” or “C33” FUEL INJECTION MALFUNCTION ............................4-47
“C41” FP RELAY CIRCUIT MALFUNCTION ........................................4-48
“C42” IG SWITCH CIRCUIT MALFUNCTION ......................................4-48
“C44” HO
2
SENSOR (HO
2
S) CIRCUIT MALFUNCTION ......................4-49
FUEL SYSTEM ................................................................................................4-51