Case IH 708-14 - ACM – ACM: Throttle keypad configuration

Indicates a configuration mismatch, calibration failure, or communication error between the throttle input controls (keypad/potentiometer) and the control module.

• MAGNUM AFS Connect
• Magnum Series
• Magnum 235
• Magnum 260
• Magnum 290
• Magnum 340
• Puma Series
• Puma 200

1. 1

   Check ACM communication with the instrumentation controller (ICU) to ensure no loss of communication.

2. 2

   Inspect wiring and connectors between the throttle keypad/potentiometer and the ACM for damage, correct pin position, and tight fit.

3. 3

   Test the circuit for continuity, open circuits, or short circuits to the battery (+BAT).

4. 4

   Use the electronic service tool (EST) to monitor the throttle position sensor voltage and verify it matches the physical position of the throttle.

1. 1

   Replace wiring harness

   Replace the damaged wiring harness if applicable.

2. 2

   Replace throttle assembly

   Replace the throttle switch/knob assembly if faulty.

3. 3

   Replace and reprogram ACM

   Replace and reprogram the ACM if the module itself has failed.