FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

HB6 - Check Resistance of Injector(s) and Harness



- 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.

- For No Starts:

- Pick any injector and measure resistance between injector circuits test pin and test pin 37 at the breakout box. Record resistance.

Specification
Single Injector resistance 11.0-18.0 Ohms

- Is each resistance within specification for the appropriate engine?

Yes -- Go to HB9. HB9 - Check Injector Driver Signal

No -- For NO Start: Service open in VPWR circuit.

For others: Go to HB7. HB7 - Check Continuity of Fuel Injector Harness