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.

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HOMESERVICE MANUALSFORD2004ECONOLINE E150, VAN CARGO, 4.6 WREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 489 (ANTI-LOCK BRAKE SYSTEM - ANTI-LOCK CONTROL)DIAGNOSIS AND TESTINGANTI-LOCK CONTROLPINPOINT TESTSPINPOINT TEST ATESTING

2004 Ford Econoline E150, Van Cargo, 4.6 W

Pinpoint Test A: Testing

2004 Ford Econoline E150, Van Cargo, 4.6 WSECTION Testing

WARNING: This page is about a different car, the 2005 Ford RV Cutaway, 2005 Ford Econoline, 2005 Ford E450 Super Duty, and 2005 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

A1 CHECK CIRCUIT 601 (LB/PK) FOR VOLTAGE
- Key in OFF position.
- Disconnect: ABS Module C135.
- Measure the voltage between the ABS module C135 pin 16, circuit 601 (LB/PK), harness side and ground.
  
  Fig 1: Measuring Voltage Between Pin 16 And Ground
  Courtesy of FORD MOTOR CO.
- Is the voltage greater than 10 volts?
- Yes : GO to A2.
- No : REPAIR the circuit. REPEAT the self-test. TEST the system for normal operation.
A2 CHECK CIRCUIT 530 (LG/YE) FOR GROUND
- Measure the resistance between the ABS module C135 pin 8, circuit 530 (LG/YE), harness side and ground; and between the ABS module C135 pin 24, circuit 530 (LG/YE), harness side and ground.
  
  Fig 2: Measuring Resistance Between Pin 8 And Ground
  Courtesy of FORD MOTOR CO.
- Is the resistance less than 5 ohms?
- Yes : REFER to MODULE COMMUNICATIONS NETWORK to continue diagnosis of the ABS module communication.
- No : REPAIR the circuit. REPEAT the self-test. TEST the system for normal operation.

RENDER: 1.0x

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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.