Case IH 709-02 - ACM – ACM: Configurable switch 9 circuit fault

A circuit fault related to configurable switch 9 on the armrest console. Exact OEM documentation for this specific code is unavailable, but it involves the Armrest Control Module (ACM).

• MAGNUM AFS Connect
• Case IH Magnum Series (180, 190, 200, 210, 220, 225, 235-340, 240 CVT)
• Case IH Steiger Series (350 to 600 horsepower models)

1. 1

   Physical operation of the configurable switches on the armrest console.

2. 2

   Wiring harness connections between the specific switch and the Armrest Control Module (ACM) for opens, shorts to ground, or shorts to power.

3. 3

   Live data from the ACM using a diagnostic tool (such as the Case IH Electronic Service Tool / EASY tool) to see if the switch state changes when toggled.

1. 1

   Verify switch operation

   Verify the physical operation of the configurable switches on the armrest console.

2. 2

   Check wiring harness

   Check the wiring harness connections between the specific switch and the Armrest Control Module (ACM) for opens, shorts to ground, or shorts to power.

3. 3

   Read live data

   Use a diagnostic tool (such as the Case IH Electronic Service Tool / EASY tool) to read live data from the ACM to see if the switch state changes when toggled.