Component Tests and General Diagnostics

Checking Generator (GEN) And Voltage Regulator (VR) Using Sun VAT 40

Required for troubleshooting:
- Volt - Amp. tester Sun VAT 40
- Connector kit VW 1594
- Valid wiring diagram


NOTE: Always follow complete charging system test procedures supplied with Volt - Amp. tester Sun VAT 40.


Prerequisite:
- Ribbed belt tension and generator mounting OK
- Function of freewheeling clutch OK (if equipped)
- Ground connections OK