A4: Check Injector Supply

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





Measure the voltage between ground EM1AR & the appropriate connector for bank A
PI007/002
PI008/002
PI009/002
PI010/002

or

Measure the voltage between ground EM1AR & 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