Checking The Horn; Checking The Fuel Sender - Yamaha 2009 XP500Y TMAX Service Manual

EAS28180

CHECKING THE HORN

1. Check:
• Horn resistance
Out of specification → Replace.
Coil resistance
1.06–1.11 Ω at 20 °C (68 °F)
M MMM M MMM M M MMM M M MMM M
a. Disconnect the horn leads from the horn ter-
minals.
b. Connect the pocket tester (Ω × 1) to the horn
terminals.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
horn terminal "1"
• Negative tester probe →
horn terminal "2"
c. Measure the horn resistance.
L LLL L LLL L L LLL L L LLL L
2. Check:
• Horn sound
Faulty sound → Adjust or replace.
M MMM M MMM M M MMM M M MMM M
a. Connect a battery (12 V) to the horn.
b. Turn the adjusting screw in direction "a" or "b"
until the specified horn sound is obtained.
a b
L LLL L LLL L L LLL L L LLL L
M MMM M M MMM M MMM
1
2
L LLL L L LLL L LLL
M MMM M M MMM M MMM
L LLL L L LLL L LLL
8-75
ELECTRICAL COMPONENTS
EAS28230

CHECKING THE FUEL SENDER

1. Disconnect:
• Fuel pump coupler
• Fuel hose
(from the fuel pump)
Refer to "GENERAL CHASSIS" on page 4-1.
2. Remove:
• Fuel pump
(from the fuel tank)
Refer to "FUEL TANK" on page 7-1.
3. Check:
• Fuel sender resistance
Out of specification → Replace the fuel pump
assembly.
Sender unit resistance (full)
4.0–10.0 Ω
Sender unit resistance (empty)
93.0–100.0 Ω
M MMM M MMM M M MMM M M MMM M
a. Connect the pocket tester (Ω × 1) to the fuel
pump terminals as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
green "1"
• Negative tester probe →
black "2"
2
B B
G R/L
1
b. Move the fuel sender float to empty fuel tank
position "3" and full fuel tank position "4" level
position.
M MMM M M MMM M MMM