H11 - Isolate Faulty Injector Circuit

- Key "OFF".

- Breakout box installed, PCM disconnected.

- Disconnect all injectors on suspect bank.

- DVOM on 200 ohm scale.

- Connect one injector and measure resistance between test pin 37 and either test pin 58 or 59 as appropriate.

- Disconnect that injector and repeat process for each of the remaining injectors.

Specification
Injector resistance 11.0-18.0 Ohms

- Is each resistance within specification for the appropriate engine?

Yes -- Go to H12. H12 - Check Injector Driver Signal

No -- Replace injector. Remove breakout box. Reconnect PCM and injectors. Drive vehicle 5 miles/55 mph. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)