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Home >> Chevrolet >> 2004 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 368 (Seat System) >> Diagnostic Information and Procedures >> Memory Seat Feature Inoperative >> Component Testing >> Memory Switch
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Memory Switch

WARNING: This page is about a different car, the 2006 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the harness connector at the heated/cooled seat switch.
  2. Test for infinite resistance between the memory switch signal circuit terminal 9 and the switch supply voltage circuit terminal 1.
    • If not infinite, replace the heated/cooled seat switch.
  3. Test the resistance between terminal 1 and terminal 9 while pressing the memory 1, memory 2 and EXIT buttons. 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 heated/cooled seat switch.
Memory Switch Values

Switch Position Resistance
Idle Infinite
Memory 1 2.03K-2.49K Ω
Memory 2 3.83K-4.69K Ω
EXIT 8.33K-10.18K Ω