9. Start-up normal but idle speed unstable or
stall with load such as front lamp applied
General trouble location: 1. ISC 2. Nozzle.
Procedure for general diagnoses:
No. Operating
Procedure
Detection
Results
Subsequent Steps
Yes Clean
relevant
parts.
1
Remove the ISC and check the air throttle, the ISCand the idle
air bypass for any carbon deposition.
No Next
step
Yes
Go to Step 4.
No Next
step
2
Check if the engine’s output power is increased with the load
applied; use the EMS diagnosis tester to check any change in
the ignition advance angle, duration of fuel injection, and air
input.
No
Repair the air
regulating system.
Yes
Change the defective
nozzle.
3
Disassemble the nozzle and check the nozzle leaking or
blocked, or the flow out of tolerance with a nozzle cleaner &
analyzer.
No Next
step
Yes Diagnosis
assist
4
Connect an EMS adapter and press the power switch to check
voltages at Pins
1#, 19#, and 29#
; check grounding at Pins
8#
﹐
35
#
and
36#.
No
Repair the relevant
circuits.
20
Содержание Buddy 170
Страница 1: ......
Страница 11: ...B Chassis Steel ball steering item Front brake fluid Front brake cam 7...
Страница 15: ...5 Wiring diagram 11...
Страница 43: ...1 Lubrication System Lubrication System Diagram PA150 39...
Страница 52: ...3 Engine dismantling A Dismantling engine B lnstalling engine 48...
Страница 63: ...5 Cylinder head and valve A Trouble shooting B The operation data information C Dismantling and installing 59...
Страница 73: ...7 A C Generator A Dismantling AC generator B Installing AC generator 69...
Страница 99: ...F Rear damper 1 Rear damper disassembling diagram 95...
Страница 100: ...5 Engine Management System PGO 2nd stage EMS 1 PGO 2nd stage EMS structure 2 EMS units 3 EMS diagnostic 96...
Страница 132: ...4 Starting system 1 Starting wiring 128...
Страница 134: ...5 Starting clutch Explosive diagram 130...
Страница 137: ...133...