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15-2. ELECTRIC POWER STEERING
15-2-6
TROUBLESHOOTING
NO POWER STEERING
1. EPS malfunction.
- If the CHECK ENGINE light is on and a EPS
FAULT message is visible in the dashboard,
check for fault code at the bottom of
dashboard.
2. No power to EPS unit.
- Carry out an EPS unit FUSE test. Replace
as required.
- Carry out an EPS unit INPUT VOLTAGE
test (POWER SIDE). Repair or replace
wiring/connectors as required.
- Carry out an EPS unit INPUT VOLTAGE
test (CONTROL SIDE). Repair or replace
wiring/connectors as required.
3. NO ground to EPS unit.
- Carry out an EPS unit GROUND CIRCUIT
test. Repair or replace wiring/connectors as
required.
4. No engine RPM signal from ECU.
- If engine RPM can be displayed in the
dashboard when the engine is running, carry
out an EPS unit COMMUNICATION LINK
(can) CONTINUITY test. Repair or replace
wiring/connectors as required.
- If engine RPM cannot be displayed in the
dashboard, use diagnostic tool to check for
applicable fault codes. Carry out service
actions.
LOW POWER STEERING ASSIST
1. Low battery voltage.
- Check battery terminals. Clean, repair,
replace or tighten as required.
- Test battery voltage. Recharge or replace
battery as required.
- Carry out an EPS unit INPUT VOLTAGE test
(POWER SIDE) as detailed in this
subsection. Ensure power connector pins
are clean, corrosion free, tight and make
good contact. Repair or replace
wiring/connectors as required.
- Carry out an EPS SYSTEM LOAD TEST as
detailed in this subsection.
2. Low input voltage to EPS unit.
- Carry out an EPS unit INPUT VOLTAGE test
(POWER SIDE) as detailed in this
subsection. Ensure power connector pins
are clean, corrosion free, tight and make
good contact. Repair or replace
wiring/connectors as required.
3. Faulty EPS ground circuit.
- Carry out an EPS GROUND CIRCUIT test.
Ensure EPS ground connector pins and
frame ground post are clean, corrosion free,
tight and make good contact. Repair or
replace wiring/connector as required.
ASYMMETRICAL POWERT STEERING
ASSIST (SIDE TO SIDE)
1. Torque sensor not reset to zero.
- Ensure steering alignment is within
specification and carry out the TORQUE
OFFSET RESET procedure detailed in this
subsection.
Summary of Contents for BLADE 500
Page 1: ...SERVICE MANUAL TAIWAN GOLDEN BEE CO LTD ...
Page 5: ...Frame Number Engine Number SERIAL NUMBER ...
Page 25: ...1 GENERAL INFORMATION 1 20 Oil and Lubrication Points Brake Fluid Grease ...
Page 26: ...1 GENERAL INFORMATION 1 21 Gear Oil ...
Page 42: ...2 MAINTENANCE INFORMATION 2 16 Note ...
Page 57: ...4 1 FUEL INJECTION SYSTEM 4 1 9 WIRING DIAGRAM ...
Page 100: ...4 1 FUEL INJECTION SYSTEM 4 1 52 Fault Diagnosis EFI Circuit inspection ...
Page 101: ...4 1 FUEL INJECTION SYSTEM 4 1 53 Can not Start the engine or difficult to start inspection ...
Page 102: ...4 1 FUEL INJECTION SYSTEM 4 1 54 Idle flameout diagnosis ...
Page 103: ...4 1 FUEL INJECTION SYSTEM 4 1 55 Integrated Fault Diagnosis Program ...
Page 129: ...5 ENGINE REMOVAL 5 13 Remove the engine oil pipe nuts Remove the outlet water hose ...
Page 165: ...8 V BELT DRIVING SYSTEM 8 12 Notes ...
Page 166: ...9 1 FRONT DIFFERENTIAL 9 1 1 FRONT DRIVE FRONT DIFFERENTIAL ...
Page 197: ...10 ALTERNATOR STARTING CLUTCH 10 10 Note ...
Page 198: ...11 CRANKSHAFT CRANKCASE 11 1 L CASE R CASE ...
Page 217: ...11 CRANKSHAFT CRANKCASE 11 20 NOTE ...
Page 227: ...12 COOLING SYSTEM 12 10 Note ...
Page 228: ...13 BODY COVER 13 1 BLADE MODEL Mechanism Diagram ...
Page 237: ...13 BODY COVER 13 10 TARGET MODEL ...
Page 243: ...14 BRAKE SYSTEM 14 1 BRAKE FRONT BRAKE ...
Page 244: ...14 BRAKE SYSTEM AND BODY COVER 14 2 REAR BRAKE ...
Page 251: ...15 1 1 STEERING SYSTEM AND SUSPENSION 15 1 1 STEERING SYSTEM EPS MODEL ...
Page 252: ...15 1 1 STEERING AND SUSPENSION 15 1 2 NON EPS MODEL ...
Page 259: ...15 1 1 STEERING SYSTEM AND SUSPENSION 15 1 1 FRONT SUSPENSION ...
Page 263: ...15 1 1 STEERING SYSTEM AND SUSPENSION 15 1 1 REAR SUSPENSION ...
Page 268: ...15 2 ELECTRIC POWER STEERING 15 2 1 EPS Electric Power Steering ...
Page 305: ...65 10A 10A 10A 15A 15A 20A 10A 10A 10A 10A 9400uf 12V ECU 12V ...
Page 306: ...65 10A 10A 10A 15A 15A 20A 10A 10A 10A 10A 9400uf 12V ECU 12V ...