GG1 DTC 61 and/or 62 Check HCU FLS
- Turn ignition switch OFF.
Anti-Lock Module:
- Disconnect anti-lock brake wiring plug from anti-lock brake control module.
Break Out Box:
- Connect 60-pin Breakout Box 014-00322 with Anti-Lock Test Adapter T90P-50-ALA or equivalent to the anti-lock 55-pin plug anti-lock brake wiring harness.
- Check for continuity between breakout box pins 8 and 60.
- Is continuity present?
YES -- Go to GG2. GG2 Check HCU FLS Switch
NO -- Go to GG3. GG3 Check For Voltage on HCU FLS and Circuitry