C1120-3: Check Continuity of Circuit 74 (BL)
- Turn ignition switch to the OFF position.
- 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 C1120-4. C1120-4: Check Fuse 22 (7.5A) Output
NO -- Service circuit 74 (BL) for open circuit. Restore vehicle. Clear all DTCs. Retest system.