Pinpoint Test L: The Speed Control Switch Is Inoperative - Resume

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

Test Step

L1 CHECK THE SPEED CONTROL ACTUATOR SWITCH RESUME PID

Key in ON position.
Monitor the speed control actuator RESUME PID. Press and release the speed control actuator switch RESUME button while slightly turning the steering wheel from side to side.
Does the diagnostic tool indicate ACTIVE with the speed control actuator switch pressed and not ACTIVE with the speed control actuator switch released?

Result / Action to Take

Yes

System is OK.

GO to L2.

Test Step

L2 CHECK THE SPEED CONTROL ACTUATOR SWITCH RESUME

Key in OFF position.
Disconnect: Speed Control Actuator C122.
Measure the resistance between speed control actuator C122 pin 5, circuit 151 (LB/BK), harness side, and speed control actuator C122 pin 6, circuit 848 (DG/OG), harness side, while pressing the speed control actuator switch RESUME and slightly turning the steering wheel from side to side.

Fig 1: Checking Speed Control Actuator Switch Resume
Courtesy of FORD MOTOR CO.
Is the resistance between 1,980 and 2,420 ohms with RESUME pressed and greater than 10,000 ohms with RESUME released?

Result / Action to Take

Yes

INSTALL a new speed control actuator. REFER to SPEED CONTROL SERVO . TEST the system for normal operation.

INSTALL a new speed control actuator switch. REFER to SPEED CONTROL SWITCH . TEST the system for normal operation.