Verify ABCM Ground Is Intact
- Verify system ground eyelet located behind left headlight is firmly attached and no corrosion is present. Clean and tighten as necessary. Disconnect negative battery cable. Using an ohmmeter, measure resistance between negative battery cable and ground eyelet located behind left headlight.
- If resistance is more than 2 ohms, repair source of high resistance, then perform RETRIEVE ABS DIAGNOSTIC TROUBLE CODES . If resistance is less than 2 ohms, ground is okay. Further diagnosis is required.