B4: 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
IJ003/002
IJ004/002
IJ005/002
IJ006/002 or

Measure the voltage between ground EM017 and the appropriate connector for bank B
lJ007/002
IJ008/002
lJ009/002
IJ0010/002

- Is the voltage B+?
Yes
GO to B8 B8: Check Injector Ground
No
GO to B5 B5: Check Injector Feed Continuity