Pinpoint Test A: 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.