ABS Pump Motor Relay
INSPECTION1. Disconnect negative cable from battery.
2. Remove pump motor relay from relay box.
3. Check resistance between each two terminals.
Between "2" and "4": 70 - 90 Ohms at 20°C, 68°F
Between "1" and "3": No continuity
4. Check that there is continuity between terminals "1" and "3" when battery is connected to terminals "2" and "4".
If check result is not as specified in Step 3) and 4), replace.