M4 Check Circuit 516 (Y/BK) Continuity

- Measure resistance between Pin 23 on the Rotunda(r) Breakout Box 014-00322 or equivalent and wheel speed sensor harness connector pin for Circuit 516 (Y/BK). Using the Breakout Box For Circuit Checks

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

YES -- Circuit 516 (Y/BK) checks OK. Go to M5. M5 Check Circuit 514 (Y/R) Short to Ground

NO -- Repair open or high resistance on circuit 516 (Y/BK). Go to M10. M10 Check For DTC Repeatability