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4.4 Generator Test
Follow the on-screen instructions to complete the test. The test results will be displayed as
follows:
Figure 4-7
Sample Generator Test Result Screen
Table 4-4
Generator Test Results
Result
Description
Charging Normal
The generator is good.
Output Too Low
The belt linking the starter and the generator is loose.
The cable linking the starter and the battery is loose or
corroded.
Output Too High
The generator is not properly connected to the ground.
The voltage adjuster is broken and needs replacement.
Ripple Too Large
The commutation diode is broken.
No Output
The cable is loose.
Some vehicles with power management systems do not
provide path for charging due to the sufficient load capacity of
the battery.
The generator or the voltage adjuster is broken and needs
replacement.
NOTE
To measure the current, connect the current clamp. Tap the
Settings
button on the Home
screen to enter the application. Swipe the Current Clamp switch toggle
ON
.