ELECTRICAL COMPONENTS (YUM1A/YUM2A)
8-59
c. Measure the fuel injector resistance.
CHECKING THE OIL LEVEL SWITCH
1. Check:
• Engine oil level
• Refer to “CHECKING THE ENGINE OIL
LEVEL (YUM1A/YUM2A)” on page 3-4.
2. Check:
• Oil level switch
Out of specification → Replace.
a. Check the oil level switch for no continuity.
b. Drain the engine oil.
c. Check the oil level switch for continuity.
Digital circuit tester (CD732)
90890-03243
Model 88 Multimeter with ta-
chometer
YU-A1927
• Positive tester probe
Fuel injector terminal “1”
• Negative tester probe
Fuel injector terminal “2”
Engine oil is at the correct level
No continuity
(Between “1” and ground)
Engine oil is drained
Continuity
(Between “1” and ground)
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