check oil YAMAHA VX110 2005 Owner's Manual

7-42
E
–+ELECSTARTER MOTOR
6. Inspect:
Armature coil continuity
Out of specification → Replace.
Armature coil continuity:
Commutator segments 1 Continuity
Segment - Laminations 2 No continuity
Segment - Armature shaft No continuity
Brush holder inspection
1. Measure:
Brush length a
Below specification → Replace.
Brush length:
12.5 mm (0.49 in)
Wear limit:
6.5 mm (0.26 in)
2. Check:
Brush holder continuity
Out of specification → Replace.
Brush holder continuity:
Brush holder - Base No continuity
Starter motor front cover inspection
1. Inspect:
Starter motor front cover oil seal
Damage/wear → Replace the starter
motor front cover.
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7-47
E
–+ELECOFF THROTTLE STEERING SYSTEM
STEERING SENSOR
1. Check:
Steering sensor
Malfunction → Replace the steering
sensor.
Checking steps:
Turn the handlebar all the way to the left
or right, and then release it.
Install a plastic tie 1 loosely around the
center of the handlebar grip as shown.
Hook a spring gauge 2 onto the plastic
tie.
Hold the spring gauge at a 90° angle
from the handlebar, and then pull the
spring gauge with a force of 10 kgf
(22 lb).
When handlebar
pulledWhen handlebar
not pulled
ON OFF
Check that the following is displayed in
the “Engine Monitor” window of the
Yamaha Diagnostic System.
Use the same procedure to check that
the steering sensor operates correctly
when the handlebar is turned to both the
left and right. Replace the steering sen-
sor if it is a malfunction.
1
2
ECM
Refer to “IGNITION SYSTEM”.
PICKUP COIL
Refer to “IGNITION SYSTEM”.
THROTTLE POSITION SENSOR
Refer to “IGNITION SYSTEM”.
ACCELERATOR POSITION SENSOR
Refer to “IGNITION SYSTEM”.
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7-51
E
–+ELECINDICATION SYSTEM
OIL PRESSURE SWITCH
1. Measure:
Oil pressure switch continuity
Out of specification → Replace.
Lower unit pressure/vacuum
tester:
YB-35956-A
Vacuum/pressure pump gauge
set:
90890-06756
Oil pressure switch continuity
pressure:
128 kPa (1.28 kgf/cm
2, 18.6 psi) –
167 kPa (1.67 kgf/cm2, 24.2 psi)
MULTIFUNCTION METER
Multifunction meter
1. Check:
Multifunction meter
Cracked meter housing → Replace the
multifunction meter.
Meter is fogged/shows signs of water
intrusion → Replace the multifunction
meter.
MULTIFUNCTION METER REMOVAL
Refer to “ENGINE HATCH COVER” in
Chapter 8.
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7-55
E
–+ELECINDICATION SYSTEM
Tachometer display
1. Check:
Tachometer display
Does not display → Check the engine
speed using the “Engine monitor” of the
Yamaha Diagnostic System.
Replace the multifunction meter.
Hour meter display
1. Check:
Hour meter display
Does not display → Replace the multi-
function meter.
Voltage meter display
1. Check:
Voltage meter display
Does not display → Check the battery
voltage using the “Engine monitor” of
the Yamaha Diagnostic System.
Replace the multifunction meter.
Low oil pressure warning indicator
1. Check:
Low oil pressure warning indicator
Does not come on → Check the oil pres-
sure switch using the “Engine monitor”
of the Yamaha Diagnostic System.
Replace the multifunction meter.
Fuel level meter display and fuel warning
indicator
1. Check:
Fuel level meter display and fuel warn-
ing indicator
Do not display → Measure the fuel
sender resistance.
If the fuel sender resistance is within
specification, replace the multifunction
meter.
2. Measure:
Fuel sender resistance
Refer to “FUEL CONTROL SYSTEM”.
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9-4
E
TRBL
ANLS
TROUBLE ANALYSIS
TROUBLE ANALYSIS
NOTE:
Before consulting the “TROUBLE ANALYSIS CHART,” check the following items.
1. Check that the battery is charged and that its specified gravity is within specification.
2. Check that there are no incorrect wiring connections.
3. Check that all wiring connections are properly secured and that they are not rusty.
4. Check that the engine shut-off cord (lanyard) is connect to the engine shut-off switch.
5. Check that fuel is reaching the fuel rail.
TROUBLE ANALYSIS CHART
Trouble mode Check elements
ENGINE WILL NOT START
HARD STARTING
ROUGH IDLING
HIGH IDLING
ENGINE STALLS
POOR ACCELERATION
ENGINE WILL NOT STOP
POOR PERFORMANCE
LIMITED ENGINE SPEED
OVERHEATING
LOW OIL PRESSURE
LOOSE STEERING
BILGE INCREASE
IRREGULAR WARNING INDICATION
POOR BATTERY CHARGING
Relative partReference
chapter
FUEL SYSTEM
Fuel tank 4
Fuel tank breather hose 4
Fuel hose 4
Fuel filter 4
Fuel pump 4
Fuel rail 4
Fuel injectors 4
Trolling speed 3
Air filter 3
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9-5
E
TRBL
ANLS
TROUBLE ANALYSIS
POWER UNIT
Compression 5
Cylinder head gaskets 5
Cylinder block 5
Crankcase 5
Piston rings 5
Pistons 5
Bearings 5
Valve(s) and valve seat(s) 5
Valve clearance adjusting
pad(s)3
Camshaft(s) 5
Timing chain 5
Oil pump 5
Engine oil 3
Oil filter 3
Oil pressure switch 7
Bearing housing 5
Drive couplings 5
Rubber coupling 5
Pilot water hose 5
Water hose 5
Water passage 5 Trouble mode Check elements
ENGINE WILL NOT START
HARD STARTING
ROUGH IDLING
HIGH IDLING
ENGINE STALLS
POOR ACCELERATION
ENGINE WILL NOT STOP
POOR PERFORMANCE
LIMITED ENGINE SPEED
OVERHEATING
LOW OIL PRESSURE
LOOSE STEERING
BILGE INCREASE
IRREGULAR WARNING INDICATION
POOR BATTERY CHARGING
Relative partReference
chapter
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9-6
E
TRBL
ANLS
TROUBLE ANALYSIS
JET PUMP UNIT
Duct 6
Impeller 6
Intake grate 6
Bearings 6
Water inlet hose 6
Bilge hose 6
Bilge strainer 3
Bilge hose joint 6
ELECTRICAL
Ignition system, fuel control system
Pickup coils 7
ECM 7
Ignition coils 7
Slant detection switch 7
Engine stop switch 7
Engine shut-off switch 7
Spark plugs 3
Main and fuel pump relay 7
Electronic control throttle
valve relay7
Thermoswitch 7
Sensor assembly 7
Engine temperature
sensor7
Throttle body assembly
(throttle position sensor)7
Accelerator position
sensor7
Cam position sensor 7 Trouble mode Check elements
ENGINE WILL NOT START
HARD STARTING
ROUGH IDLING
HIGH IDLING
ENGINE STALLS
POOR ACCELERATION
ENGINE WILL NOT STOP
POOR PERFORMANCE
LIMITED ENGINE SPEED
OVERHEATING
LOW OIL PRESSURE
LOOSE STEERING
BILGE INCREASE
IRREGULAR WARNING INDICATION
POOR BATTERY CHARGING
Relative partReference
chapter
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9-7
E
TRBL
ANLS
TROUBLE ANALYSIS
Starting system
Start switch 7
Starter relay 7
Starter motor 7
Charging system
Lighting coil 7
Rectifier/regulator 7
Fuses 7
Battery leads—
Battery 3
Remote control system (Deluxe model only)
Remote control unit 7
HULL AND HOOD
Steering column 8
Water lock 8
Exhaust hose 8
Muffler 8
Drain plugs 8 Trouble mode Check elements
ENGINE WILL NOT START
HARD STARTING
ROUGH IDLING
HIGH IDLING
ENGINE STALLS
POOR ACCELERATION
ENGINE WILL NOT STOP
POOR PERFORMANCE
LIMITED ENGINE SPEED
OVERHEATING
LOW OIL PRESSURE
LOOSE STEERING
BILGE INCREASE
IRREGULAR WARNING INDICATION
POOR BATTERY CHARGING
Relative partReference
chapter
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9-8
E
TRBL
ANLS
TROUBLE ANALYSIS
SELF-DIAGNOSIS
With the engine running, press the select but-
ton 1
for 8 seconds and check if an error code
is indicated on the multifunction meter.
If the Yamaha Diagnostic System is not used
to check the symptoms listed in the table, the
error codes can be checked easily with the
self-diagnosis in the multifunction meter. How-
ever, if there are numerous error codes dis-
played, be sure to check them with the
Yamaha Diagnostic System.Code Symptom
01 Normal
13 Pickup coil malfunction
15Engine temperature sensor
malfunction
19 Incorrect battery voltage
23Intake air temperature sensor
malfunction
24 Cam position sensor malfunction
29Intake air pressure sensor
malfunction
47 Slant detection switch malfunction
48 Incorrect data transmission
55 Steering switch malfunction
112–
123Electronic control throttle system
malfunction
124–
128Throttle position sensor
malfunction
129Electronic control throttle system
malfunction
131–
135Accelerator position sensor
malfunction
136–
139Electronic control throttle system
malfunction
141–
145Electronic control throttle system
malfunction1
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