Operation CHARM: Car repair manuals for everyone.

Voltage Supply, Checking

Checking Voltage Supply

CAUTION: Avoid short circuits at the connector terminals, the control unit can be damaged.





- Remove all connectors from injectors and connect voltage tester US1115 on one connector (arrow)
- Operate starter
LED must flicker

If NO
- See Electrical Testing - Ignition and Injection System, test steps 1 and 5 or control unit defective