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Component Testing

WARNING: This page is about a different car, the 2008 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.

Memory Function Switch

  1. Disconnect the X4 harness connector at driver door module.
  2. Test for infinite resistance between the memory switch signal circuit terminal 5 and the switch supply voltage circuit terminal 14.
    • If not infinite, replace the memory switch.
  3. Test the resistance between terminals 14 and 5. Press the memory 1, memory 2, and EXIT buttons and compare the resistance readings to the values in the Memory Switch Values table below.
    • If the resistance is not within the specified range, replace the memory switch.
Memory Switch Values

Switch Position Resistance
Idle Infinite
Memory 1 2.03K-2.49K Ω
Memory 2 3.83K-4.69K Ω
EXIT 8.32K-10.18K Ω
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