N4 Check Circuit 519 (Lg/BK) Continuity

- Measure resistance between Pin 21 on the Rotunda(r) Breakout Box 014-00322 or equivalent and wheel speed sensor harness connector pin for Circuit 519 (LG/BK). Using the Breakout Box For Circuit Checks

- Is there continuity (zero or near zero ohms)?

YES -- Circuit 519 (LG/BK) checks OK. Go to N5. N5 Check Circuit 523 (R/PK) Short to Ground

NO -- Repair open or high resistance on circuit 519 (LG/BK). Go to N11. N11 Check For DTC Repeatability