bulb for damage. If these are okay,
proceed to Step 2 and check the power
supply to the self-checker.
2. Raise the seat and disconnect the
self-checking connector as in Step 1. Connect
a voltmeter positive lead to the brown wire
terminal on the harness side of the connector
and the voltmeter negative lead to the
blacWyellow wire terminal on the harness
side of the connector. Turn the ignition
switch ON. If the meter does not indicate
battery voltage, the wiring harness is
defective. If battery voltage is reaching the
self-checking unit and the known-good bulb
still does not light, the self-checking unit is
defective and must be replaced by removing
it from the center frame tube (Figure
3. If problems are still experienced with the
warning system, check the individual sensor
as described in this section. If the sensor
checks okay, replace the self-checker.
Fuel level sensor check
1. Disconnect the fuel level sensor connector
(Figure 56) and remove the fuel tank. Drain it
of all fuel. Store the fuel in a certified gasoline
storage can or tank.
2. Remove the fuel level sensor from the fuel
tank and reconnect the sensor to the main
3. Turn the ignition switch ON. The fuel
warning light should come on and stay on.
Install the fuel tank.
Oil level sensor check
1. Drain the engine oil as described in
Chapter Three in the main body of this book.
2. Remove the oil level sensor from the
bottom of the oil pan.
3. Set an ohmmeter toX
Connect one lead
to the sensor body. Test as follows:
a. Hold the sensor upright as shown in
Figure 57. The ohmmeter should read
b. Turn the sensor so that it is upside down
(Figure 57). The reading should be less
than 0.5 ohms.
c. If the oil level sensor failed either test, it
is damaged and must be replaced.
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