Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Pinpoint Test A: No Communication With The Anti-Lock Brake System Module
2005 Ford Taurus SEL, 4D SedanSECTION Pinpoint Test A: No Communication With The Anti-Lock Brake System Module
- A1 CHECK CIRCUIT 1087 (OG) FOR AN OPEN
- Key in OFF position.
- Disconnect: ABS Module C135.
- Key in ON position.
- Measure the voltage between the ABS module connector C135 pin 8, circuit 1087 (OG), harness side and ground.
- Is the voltage greater than 10 volts?
- Yes : GO to A2.
- No : REPAIR the circuit. CLEAR the DTCs. TURN the ignition switch from OFF to ON. REPEAT the ABS self-test. If any DTCs are retrieved, REFER to the ANTI-LOCK BRAKE SYSTEM (ABS) MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX . If no DTCs are retrieved, CARRY OUT a drive test above 15 km/h (9 mph), then REFER to the SYMPTOM CHART
- A2 CHECK CIRCUIT 1203 (BK/LB) FOR AN OPEN
- Measure the resistance between the ABS module C135 pin 15, circuit 1203 (BK/LB), harness side and ground.
- Is the resistance less than 5 ohms?
- Yes : CHECK the CAN communications network. REFER to MODULE COMMUNICATIONS NETWORK .
- No : REPAIR the circuit. CLEAR the DTCs. TURN the ignition switch from OFF to ON. REPEAT the ABS self-test. If any DTCs are retrieved, REFER to the ANTI-LOCK BRAKE SYSTEM (ABS) MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX . If no DTCs are retrieved, CARRY OUT a drive test above 15 km/h (9 mph), then REFER to the SYMPTOM CHART
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.