Pinpoint Test J: The Traction Control System Cannot Be Disabled

WARNING: This page is about a different car, the 2004 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.

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.

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.

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.

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