H2 Check Circuit 31 (BK/R)

- Turn ignition switch to OFF position.

- Connect Rotunda 60-Pin Breakout Box 007-00033 with Rotunda ABS Breakout Box Adapter 007-00115 or equivalents to the hydraulic control unit.

- Turn ignition switch to the RUN position.

- Using a jumper wire, jumper breakout box pins 27 to 25.

- Did anti-lock brake warning indicator illuminate?

YES -- Go to H6. H6 Check Anti-Lock Brake Warning Indicator

NO -- Go to H3. H3 Check Circuit 31 (BK/R) Output