A6: Check Fuse to Relay Continuity

Remove the Engine Management fuse F5.
Measure the resistance between the toad side of F5 and pin 3 PI Main relay socket

- Is the resistance > 0.5 ohms?
Yes
GO to A7 A7: Check Injector Circuit Continuity
Replace fuse F5 and relay PI main
No
Inspect connectors EM019/009, EM0052/003, pin 3 PI main relay and harness.
Repair as necessary and test the system for normal operation.