Operation CHARM: Car repair manuals for everyone.

HA8 - Check Resistance of Injector(s) and Harness - SFI Engines



- Key "OFF".

- Disconnect Powertrain Control Module (PCM). Inspect for damaged or pushed out pins, corrosion, loose wires, etc. Service as necessary.

NOTE: This erases continuous memory.

- Install breakout box, leave PCM disconnected.

- Measure resistance between the suspect injector circuit test pin and test pin 37 at the breakout box. Record resistance.

Specification
Injector resistance 11.0-18.0 Ohms

- Is each resistance within specification?

Yes -- Go to HA12. HA12 - Check Injector Driver Signal

No -- Go to HA9. HA9 - Check Continuity of Fuel Injector Harness