ELECTRICAL COMPONENTS
8-95
EAS28180
CHECKING THE HORN
1. Check:
• Horn resistance
Out of specification → Replace.
▼▼▼▼ ▼ ▼▼▼▼▼▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼▼▼▼
a. Disconnect the horn leads from the horn ter-
minals.
b. Connect the pocket tester (Ω × 1) to the horn
terminals.
c. Measure the horn resistance.
▲▲▲▲ ▲ ▲▲▲▲▲▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲▲▲▲
2. Check:
• Horn sound
Faulty sound → Adjust or replace.
▼▼▼▼ ▼ ▼▼▼▼▼▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼▼▼▼
a. Connect a battery (12 V) to the horn.
b. Turn the adjusting screw in direction “a” or “b”
until the horn sound is obtained.
▲▲▲▲ ▲ ▲▲▲▲▲▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲▲▲▲
EAS28190
CHECKING THE OIL LEVEL SWITCH
1. Drain:
• Engine oil
2. Remove:
• Oil level switch
(from the oil pan)
3. Check:
• Oil level switch resistance
Out of specification → Replace the oil level
switch.
▼▼▼▼ ▼ ▼▼▼▼▼▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼▼▼
a. Connect the pocket tester (Ω × 100) to the oil
level switch terminal as shown.
b. Measure the oil level switch resistance.
▲▲▲▲ ▲ ▲▲▲▲▲▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲▲▲
EAS28230
CHECKING THE FUEL SENDER
1. Disconnect:
• Fuel pump coupler
Coil resistance
1.15–1.25 Ω at 20 °C (68 °F)
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
horn terminal “1”
• Negative tester probe →
horn terminal “2”
1
2
a
b
Oil level switch resistance
Maximum level position
484–536 Ω
Minimum level position
114–126 Ω
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
Minimum level position “A”
• Positive tester probe →
connector (white) “1”
• Negative tester probe →
body earth “2”
Maximum level position “B”
• Positive tester probe →
connector (white) “1”
• Negative tester probe →
body earth “2”