LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2007 >> Crown Victoria Base, 4.6 W >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Anti-Lock Brake System >> Diagnostic Tests >> Anti-Lock Control >> Pinpoint Tests >> Pinpoint Test G: The Traction Control is Inoperative/Cannot be Disabled >> Pinpoint Test G: The Traction Control Is Inoperative/Cannot Be Disabled
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Pinpoint Test G: The Traction Control Is Inoperative/Cannot Be Disabled

CAUTION: The Flex Probe Kit must be used for all test connections. Use of standard multi-meter probes may damage wiring terminals.
  1. G1 CHECK THE ANTI-LOCK BRAKE SYSTEM (ABS) MODULE FOR DTCs 
    • Connect the diagnostic tool.
    • Key in ON position.
    • Using the scan tool, retrieve and document any continuous DTCs.
    • Are DTCs retrieved? 
    1. YES  : Go to the ABS MODULE DTC CHART .
    2. NO  : Go to  G2.
  2. G2 CHECK THE TRACTION CONTROL SWITCH 
    • Key in OFF position.
    • Disconnect: Traction Control Switch C280
    • Place the traction control switch in the ON position.
    • Measure the resistance between traction control switch pin-1 and pin-2, component side.
    • Is the resistance less than 5 ohms? 
    1. YES  : Go to  G3.
    2. NO  : INSTALL a new traction control switch. TEST the system for normal operation.
  3. G3 CHECK CIRCUIT 959 (GY) FOR AN OPEN 
    NOTE: To access the ABS module connector, remove the air cleaner assembly.
    • Key in OFF position.
    • Disconnect: ABS Module C135
    • Disconnect: Traction Control Switch C280
      • Fig 1: Checking Circuit For Open
      GF0014028Courtesy of FORD MOTOR CO.
    • Measure the resistance between ABS module C135-11, circuit 959 (GY), harness side and traction control switch C280-1, circuit 959 (GY), harness side.
    • Is the resistance less than 5 ohms? 
    1. YES  : Go to  G4.
    2. NO  : REPAIR circuit 959 (GY). TEST the system for normal operation.
  4. G4 CHECK CIRCUIT 57 (BK) FOR AN OPEN  
      Fig 2: Checking Circuit For Open
      GF0014029Courtesy of FORD MOTOR CO.
    • Measure the resistance between traction control switch C280-2, circuit 57 (BK), harness side and ground.
    • Is the resistance less than 5 ohms? 
    1. YES  : Go to  G5.
    2. NO  : REPAIR circuit 57 (BK). TEST the system for normal operation.
  5. G5 CHECK CIRCUIT 959 (GY) FOR A SHORT TO GROUND 
      Fig 3: Checking Circuit For Short To Ground
      GF0014030Courtesy of FORD MOTOR CO.
    • Measure the resistance between traction control switch C280-1, circuit 959 (GY), harness side and ground.
    • Is the resistance greater than 10,000 ohms? 
    1. YES  : INSTALL a new ABS module. REFER to Anti-Lock Brake System (ABS) Module . TEST the system for normal operation.
    2. NO  : REPAIR circuit 959 (GY). TEST the system for normal operation.
scientia non olet · About LEMON Manuals