Charging System Test Procedure: Notes

Press ENTER to begin charging system test.

Fig 1: Micro 570 Display - Press ENTER For Charging Test
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ENTER button is pressed, the tester displays the actual voltage of generator.
Press ENTER to test the charging system.

Fig 2: Micro 570 Display - Actual Voltage Of Generator
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The MICRO 570 will prompt you to rev the engine until the rev is detected. It will then collect the data.

Fig 3: Micro 570 Display - Increase Rev
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Press ENTER.

Fig 4: Micro 570 Display - Loads Off - Rev Engine 5 Sec
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The MICRO 570 will analyze the charging system output at idle for comparison to other readings.

Fig 5: Micro 570 Display - Testing At Idle
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The MICRO 570 will detect the amount of ripple from the charging system to the battery. Excessive ripple usually means the stator is damaged or that one or more generator diodes have failed.

Fig 6: Micro 570 Display - Testing Diode/Ripple
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The MICRO 570 will prompt you to turn on accessary loads. It will then test at idle and prompt you to rev the engine. The analyzer will determine if the charging system can provide enough current for the demands of the vehicle's electrical system.

Fig 7: Micro 570 Display - Turn Loads On
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NOTE: When asked to turn on the accessory loads, turn on the blower to high (heater), the high beam headlights, and rear defogger. DO NOT use cyclical loads such as air conditioning or windshield wipers.
After the test, the MICRO 570 will display the idle voltage, load voltage and the state results.

Fig 8: Micro 570 Display - Idle And Load Voltage
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Fig 9: Micro 570 Display - Charging System Normal
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