SANYANG 200 EFi Manual de usuario

4、Fuel Injection System 4-1 1. EFI Mechanism Illustration…………………….…..4-2 2. The Fuel Injection System Introduction……………………...4-3 3. Electronic

4、Fuel Injection System 4-10 6. Components Description Of EFI ECU (Electronic Control Unit): 1. Powered by DC 8~16V, and has 22 terminals connector

4、Fuel Injection System 4-11 Intake temperature and pressure sensor: 18. Powered by 5V DC from ECU. It has 4 terminals on the sensor. One term

4、Fuel Injection System 4-12 O2 sensor： Powered by 8~16V DC from ECU, and has 4 terminals connector on the sensor. The first terminal is for power

4、Fuel Injection System 4-13 7. Fuel Lines System Description: 1. After key-on, all sensors’ signals sent to the ECU first. T

4、Fuel Injection System 4-14 8. Ignition System 1. Principle of operation: The engine is equipped with a computerized ignition cont

4、Fuel Injection System 4-15 9. Crank Position Sensor The magnetic field type sensor generates a voltage signal to calculate engine speed with ACG

4、Fuel Injection System 4-16 10. Temperature Sensors Engine oil temperature sensor: According to the semiconductor’s characteris

4、Fuel Injection System 4-17 11. Air-By-Pass Valve Description: ECU receives all sensors’ signals to control the throttle valve

4、Fuel Injection System 4-18 12. O2 sensor 1. O2 sensor feedback the signal to ECU, the signal is the base of air/fuel ratio adjustment toward the

4、Fuel Injection System 4-19 13. Fuel Tank Removal of fuel pump/ pressure control valve/ fuel gauge Remove the front fender Remove the front luggag

4、Fuel Injection System 4-2 1. EFI Mechanism Illustration Fuel Injector Crankshaft position sensor Throttle Position S

4、Fuel Injection System 4-20 Remove the fuel pump assembly Caution Remove the rubber seal Fuel pump and gauge assemble Install

4、Fuel Injection System 4-21 15. Air Cleaner Remove the air cleaner cover. (Screw x 6) Remove the air cleaner assembly (Screw×3)。

4、Fuel Injection System 4-22 16. Trouble Diagnosis & Solutions Of EFI Readings of Error Code through flash indicator When the engine might have p

4、Fuel Injection System 4-23 17. Error Code Message and Solution Operation DTC Code Solution Priority Flash code Message Solution Operation P0217 1

4、Fuel Injection System 4-24 DTC Code Solution Priority Flash code Message Solution Operation P0505 2 9 Application range abnormal of the air by-pa

4、Fuel Injection System 4-25 DTC Code Solution Priority Flash code Message Solution Operation P0136 2 O2 sensor wire abnormal 1. Check if the co

4、Fuel Injection System 4-26 18. EFi Component Malfunction Check& Replacement Procedure (PI Engine) PI (Port Injection) → Intake manifold inj

4、Fuel Injection System 4-27 4 366-005 Engine temperature sensor At least 20000km life-expectancy Check it every 3000km. 1. Is there any DTC code

4、Fuel Injection System 4-28 Item Parts No. Parts Name Service schedule Inspection Method Adjustment & replacement procedure 6 308-008 Throttle

4、Fuel Injection System 4-29 Item Parts No. Parts Name Service schedule Inspection Method Adjustment & replacement procedure 9 Idle speed CO A

4、Fuel Injection System 4-3 2. The Fuel Injection System Introduction Based on 4-stroke SOHC engine, displacement 125 c.c. Electronically controlle

4、Fuel Injection System 4-30 ECUBatteryRegulator17 41508121309012119182007031622ACGCPSTPSETT-MAPMainSwitchCheckLampDiagnostic5Fuel pumpInjectorBy-Pas

4、Fuel Injection System 4-31 11 22 10 21 09 20 08 19 07 18 06 17 05 16 04 15 03 14 02 13 01 12 ASTM COMK CPS- CPS+ XDRP ECUP XDRG DRVP AIND IGND E

4、Fuel Injection System 4-32 NOTES:

4、Fuel Injection System 4-4 The signals from ECU enable the injector to spray fuel into the combusting chamber once each two crankshaft-revolutions.

4、Fuel Injection System 4-5 4. Precautions In Operation General information Warning Cautions Specification Item Idle RPM 1660±100 rpm

4、Fuel Injection System 4-6 5. Trouble Diagnosis EFI Electrical Circuit Inspection Turn on the igni

4、Fuel Injection System 4-7 Engine cannot be started or difficult to start. OK NG Does the warning lamp goes on for 2 seconds and then o

4、Fuel Injection System 4-8 Diagnosis Of Idle Speed Misfire 接上診斷器，進入 怠速CO調整畫面 正值增濃 負值調稀 Does the by-pass valve operate or out of ord

4、Fuel Injection System 4-9 Abnormal CO Value Usually if the system has O2 sensor, we don’t have to adjust the CO value. If the CO value still goe