8-19
–+
ELEC
SIGNAL SYSTEM
SDN8320
SDN8330
SDN8340
SDN8350
OIL LEVEL SWITCH
1. Remove:
• Intake silencer
Refer to “FUEL PUMP” in CHAPTER 7.
• Oil level gauge 1
2. Connect:
• Pocket tester
(to the oil level switch coupler)
3. Check:
• Oil level switch continuity
Faulty → Replace.
: Continuity × : No continuity
FUEL SENDER
1. Remove:
• Intake silencer
Refer to “FUEL PUMP” in CHAPTER 7.
• Fuel sender 1
(from the fuel tank)
2. Connect:
• Pocket tester
(to the fuel sender coupler)
3. Measure:
• Fuel sender resistance
Out of specification → Replace.
Fuel sender resistance (up a):
9.0 ~ 11.0 Ω at 20˚C (68˚F)
Fuel sender resistance (down b):
81 ~ 99 Ω at 20˚C (68˚F)
Switch position
Good
condition
Bad condition
Down position
Up position
Å
ı
××
××
BG
a
b
+–
Ω × 1