Pinpoint Test F: The Generator is Noisy
Pinpoint Test
Pinpoint Test F: The Generator is Noisy
Refer to Wiring Diagram Set 12, Charging System for schematic and connector information. Diagrams By Number
Normal Operation
The generator is belt-driven by the engine accessory drive system. There are 2 sources of generator noise: bearing noise and electrical fault noise. A generator with certain types of diode or stator failures may also produce an audible noise.
This pinpoint test is intended to diagnose the following:
- Accessory drive belt
- Loose bolts/brackets
- Generator/pulley
PINPOINT TEST F: THE GENERATOR IS NOISY