Autel MaxiBas BT508 - Test Procedure

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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
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 and
needs repair or replacing.
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
replacing.