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

C1671-4: Check Continuity of Circuit 74 (BL)







- Turn ignition switch to the OFF position.

- Gain access to and disconnect connector K at the fuse junction panel.

Connector:





- Using a Rotunda 73 Digital Multimeter 105-R0051 or equivalent set to ohms, measure resistance of circuit 74 (BL) from pin 21 at breakout box to pin 15 at connector K.

- Is resistance 5 ohms or less?

YES -- Go to C1671-5. C1671-5: Check Fuse 22 (7.5A) Output

NO -- Service circuit 74 (BL) for open circuit. Restore vehicle. Clear all DTCs. Retest system.