A4: Check Injector Supply

NOTE: If B+ is not present at ALL connectors check EMS fuse F5 and PI main relay







Measure the voltage between ground EM017 and the appropriate connector for bank A
PI007/002
PI0081002
PI009/002
PI010/002 or

Measure the voltage between ground EM017 and the appropriate connector for bank B
PI011/002
PI012/002
PI013/002
PI014/002

- Is the voltage B+?
Yes
GO to A8 A8: Check Injector Ground
No
GO to A5 A5: Check Injector Feed Continuity