SERVICE MANUAL - Hyosung

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◉ COMPENSATION OF INJECTION TIME (VOLUME) 17 FI SYSTEM DIAGNOSIS 4-1-6 The following different signals are output from the respective sensors for compensation of the fuel injection time (volume). SIGNAL DESCRIPTION WATER COOLANT TEMPERATURE SENSOR SIGNAL INTAKE AIR TEMPERATURE SENSOR SIGNAL BATTERY VOLTAGE SIGNAL ENGINE RPM SIGNAL STARTING SIGNAL ACCELERATION SIGNAL / DECELERATION SIGNAL ◉ INJECTION STOP CONTROL TIP OVER SENSOR SIGNAL (FUEL CUT-OFF) OVER-REV. LIMITER SIGNAL When engine coolant temperature is low, injection time (volume) is increased. When intake air temperature is low, injection time (volume) is increased. ECU operates on the battery voltage and at the same time, it monitors the voltage signal for compensation of the fuel injection time (volume). A longer injection time is needed to adjust injection volume in the case of low voltage. At high speed, the injection time (volume) is increased. When starting engine, additional fuel is injected during cranking engine. During acceleration, the fuel injection time (volume) is increased in accordance with the throttle opening speed and engine rpm. During deceleration, the fuel injection time (volume) is decreased. SIGNAL DESCRIPTION When the motorcycle tips over, the tip over sensor sends a signal to the ECU. Then, this signal cuts OFF current supplied to the fuel pump, fuel injector and ignition coil. The fuel injectors stop operation when engine rpm reaches rev. limit rpm.
4-1-7 FISYSTEM DIAGNOSIS ◉ FI SYSTEM PARTS LOCATION ( ) 1 9 2 ① Speedometer ② Fuel pump relay ③ Fuel injector, NO.1 ④ TP sensor ⑤ IAT sensor 3 4 8 5 6 18 7 ECU ⑥ Fuel injector, NO.2 ⑦ GP switch ⑧ Pick-up coil ⑨ Ignition coil, NO.1
Page 1 and 2: SERVICE MANUAL 99000-51310
Page 3 and 4: HOW TO USE THIS MANUAL TO LOCATE WH
Page 5 and 6: WIRE COLOR B : Black Gr : Gray Sb :
Page 7 and 8: 1-8-1 GENERAL INFORMATION SPECIFICA
Page 9 and 10: 1-9-1 GENERAL INFORMATION SPECIFICA
Page 12 and 13: FI SYSTEM DIAGNOSIS CONTENTS PRECAU
Page 14 and 15: ● When connecting meter probe fro
Page 16 and 17: ● Never connect an ohmmeter to th
Page 20 and 21: ⑩ TO sensor ⑪ Ignition coil, NO
Page 22 and 23: 9 10 ⑨ Fuel pump relay ⑩ TO sen
Page 24 and 25: ◉ DEALER MODE 23 FI SYSTEM DIAGNO
Page 26 and 27: FI SYSTEM TROUBLESHOOTING CUSTOMER
Page 28 and 29: SELF-DIAGNOSTIC PROCEDURES Don’t
Page 30 and 31: MALFUNCTION CODE C24 / C25 C31 C32
Page 32 and 33: “C14” TP SENSOR CIRCUIT MALFUNC
Page 34 and 35: ◈ Step 3 1) Connect the TP sensor
Page 36 and 37: ◈ Step 2 1) Turn the ignition swi
Page 38 and 39: ◈ Step 2 1) Connect the IAP senso
Page 42 and 43: “C23” TO SENSOR CIRCUIT MALFUNC
Page 44 and 45: “C31” GP SWITCH CIRCUIT MALFUNC
Page 48 and 49: SENSORS ◉ PICK-UP COIL INSPECTION
Page 50 and 51: FUEL SYSTEM AND THROTTLE BODY CONTE
Page 52 and 53: 51 FUEL SYSTEM AND THROTTLE BODY 4-
Page 54 and 55: ● Remove the fuel tank rearward.
Page 56 and 57: First, check the insulation between
Page 58 and 59: REMOVAL ● Remove the fuel tank.
Page 60 and 61: ELECTRICAL SYSTEM CONTENTS LOCATION
Page 62 and 63: � SAV solenoid � IAP sensor NO.
Page 65 and 66: 6-10 ELECTRICAL SYSTEM ▣ REGULATO
Page 67 and 68: 8-1-1 SERVICING INFORMATION TROUBLE
Page 69 and 70:
8-1-3 SERVICING INFORMATION ◉ ENG
Page 71 and 72:
8-1-5 SERVICING INFORMATION Complai
Page 73 and 74:
8-1-7 SERVICING INFORMATION Complai
Page 75 and 76:
8-5 SERVICING INFORMATION ◉ ELECT
Page 77 and 78:
8-12 SERVICING INFORMATION TIGHTENI
Page 79 and 80:
8-19 SERVICING INFORMATION ◉ THER
Page 81 and 82:
8-30-1 SERVICING INFORMATION WIRING
Page 83 and 84:
Page 85 and 86:
Page 87 and 88:
MEMO
Page 89 and 90:
Prepared by 1st Ed. JUN. 2008. Manu
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SERVICE MANUAL - Hyosung

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