Pinpoint Test E: The Speed Control Switch Is Inoperative

• Key in OFF position.
• Disconnect: Speed Control Actuator C122.
• Measure the resistance between the speed control actuator C122-5, circuit 8-PG13 (WH), harness side and the speed control actuator C122-6, circuit 9-PG13 (BN), harness side while pressing the speed control switch as follows:
  SPEED CONTROL SWITCH SPECIFICATION
  
  

  Speed Control Switch	Resistance Value
  COAST	Between 114 and 126 ohms
  SET/ACC	Between 646 and 714 ohms
  RES	Between 2,090 and 2,310 ohms
  OFF	Less than 5 ohms

  Fig 1: Checking Speed Control Switch

  Courtesy of FORD MOTOR CO.
• Are the speed control switch resistance values OK? 

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

No  : INSTALL a new speed control switch. REFER to SPEED CONTROL SWITCH . TEST the system for normal operation.