Pinpoint Test J: The Traction Control System Cannot Be Disabled

Test Step 

J1 CHECK CIRCUIT 91-CF54 (BK/WH) FOR AN OPEN 

• Key in OFF position.
• Disconnect: Traction Control Switch C2267.
• Measure the resistance between the traction control switch C2267 pin 1, circuit 91-CF54 (BK/WH), harness side and ground.
  Fig 1: Checking Circuit 91-CF54 (BK/WH) For Open

  Courtesy of FORD MOTOR CO.
• Is the resistance less than 5 ohms? 

Result / Action to Take 

Yes 

Go to J2.

No 

REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.

Test Step 

J2 CHECK THE TRACTION CONTROL SWITCH 

• Measure the resistance between the traction control switch C2267, pin 1 and pin 2 (component side) while pressing the traction control switch.
  Fig 2: Checking Traction Control Switch

  Courtesy of FORD MOTOR CO.
• Is the resistance less than 5 ohms with the traction control switch pressed and greater than 10,000 ohms with the traction control switch released? 

Result / Action to Take 

Yes 

Go to J3.

No 

INSTALL a new traction control switch. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.

Test Step 

J3 CHECK CIRCUIT 91S-CF54 (BK/WH) FOR AN OPEN 

• Disconnect: Traction Control Module C135.
• Measure the resistance between the traction control module C135 pin 38, circuit 91S-CF54 (BK/WH), harness side and traction control switch C2267 pin 2, circuit 91S-CF54 (BK/WH), harness side.
  Fig 3: Checking Circuit 91S-CF54 (BK/WH) For Open

  Courtesy of FORD MOTOR CO.
• Is the resistance less than 5 ohms? 

Result / Action to Take 

Yes 

INSTALL a new HCU. REFER to ANTI-LOCK CONTROL . REPEAT the self-test. TEST the system for normal operation.

No 

REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.