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Inspection & Verification: Notes

WARNING: This page is about a different car, the 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, 2004 Ford Excursion, and 2004 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
ANTI-LOCK QUICK CHECK SHEET USING EEC-IV 60-PIN BREAKOUT BOX

Item to Be Tested Ignition Mode Measure Between Pin Numbers Tester Scale/Range Specification Pinpoint Test
Ignition Feed OFF 16 and Chassis DC Volts 0 V Go To PINPOINT TEST L: NO COMMUNICATION WITH THE ANTI-LOCK BRAKE SYSTEM (ABS) MODULE .
  ON 16 and Chassis DC Volts 10 V min Go To PINPOINT TEST L: NO COMMUNICATION WITH THE ANTI-LOCK BRAKE SYSTEM (ABS) MODULE .
LF Wheel Speed Sensor Resistance (4x2) OFF 4 and 12 ohms 1,700-3,600 ohms Go To PINPOINT TEST B: DTC C1155 - LEFT FRONT WHEEL SPEED SENSOR INPUT CIRCUIT FAILURE .
RF Wheel Speed Sensor Resistance (4x2) OFF 5 and 13 ohms 1,700-3,600 ohms Go To PINPOINT TEST D: DTC C1145 - RIGHT FRONT WHEEL SPEED SENSOR INPUT CIRCUIT FAILURE .
LF Wheel Speed Sensor Resistance (4x4) OFF 4 and 12 ohms 650-800 ohms Go To PINPOINT TEST B: DTC C1155 - LEFT FRONT WHEEL SPEED SENSOR INPUT CIRCUIT FAILURE .
RF Wheel Speed Sensor Resistance (4x4) OFF 5 and 13 ohms 650-800 ohms Go To PINPOINT TEST D: DTC C1145 - RIGHT FRONT WHEEL SPEED SENSOR INPUT CIRCUIT FAILURE .
Rear Axle Speed Sensor Resistance OFF 14 and 6 ohms 800-3,500 ohms Go To PINPOINT TEST F: DTC C1230 - REAR AXLE SPEED SENSOR INPUT CIRCUIT FAILURE .
Wheel Speed Sensor Continuity to Ground 
LF OFF Chassis and 12 Continuity Continuity Go To PINPOINT TEST B: DTC C1155 - LEFT FRONT WHEEL SPEED SENSOR INPUT CIRCUIT FAILURE .
RF OFF Chassis and 13 Continuity Continuity Go To PINPOINT TEST D: DTC C1145 - RIGHT FRONT WHEEL SPEED SENSOR INPUT CIRCUIT FAILURE .
Rear OFF Chassis and 14 Continuity Continuity Go To PINPOINT TEST F: DTC C1230 - REAR AXLE SPEED SENSOR INPUT CIRCUIT FAILURE .
Wheel Speed Sensor Voltage: Rotate wheel @ one revolution per second 
LF OFF 4 and 12 AC mVolts 300-3,500 mV Go To PINPOINT TEST C: DTCs C1158, C1233 - LEFT FRONT WHEEL SPEED SENSOR INPUT SIGNAL ERRATIC/MISSING .
RF OFF 5 and 13 AC mVolts 300-3,500 mV Go To PINPOINT TEST E: DTCs C1148, C1234 - RIGHT FRONT WHEEL SPEED SENSOR INPUT SIGNAL ERRATIC/MISSING .
Rear (Both at same time and direction) OFF 14 and 6 AC mVolts 300-3,500 mV Go To PINPOINT TEST G: DTCs C1229, C1237 - REAR AXLE SPEED SENSOR INPUT SIGNAL ERRATIC/MISSING .
  1. Verify the customer concern by operating the vehicle and applying the brakes under different conditions to duplicate the condition.
  2. Visually inspect for obvious signs of mechanical or electrical damage.
Fig 1: Visual Inspection Chart
G02769903Courtesy of FORD MOTOR CO.
  1. 3. If the inspection reveals an obvious concern(s) that can be readily identified, repair as required.
  2. 4. If the concern remains after the inspection, connect the diagnostic tool to the data link connector (DLC) located beneath the instrument panel and select the vehicle to be tested from the diagnostic tool menu. If the diagnostic tool does not communicate with the vehicle:
    • check that the program card is correctly installed.
    • check the connections to the vehicle.
    • check the ignition switch position.
    • Verify that the battery voltage is between 10 and 16 volts. Refer to GENERATORS & REGULATORS .
  3. 5. If the diagnostic tool still does not communicate with the vehicle, refer to the diagnostic tool manual.
  4. 6. Carry out the diagnostic tool data link test. If the diagnostic tool responds with:
  5. 7. If the DTCs retrieved are related to the concern, refer to the Anti-Lock Brake System (ABS) Diagnostic Trouble Code (DTC) Index .
  6. 8. If no DTCs related to the concern are retrieved, GO to SYMPTOM CHART  to continue diagnosis.
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