Memory Switch
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect the X4 harness connector at the DDS.
- Test for infinite resistance between the signal circuit terminal 5 and the 12-volt reference circuit terminal 14 with the switch in the open position.
- If not the specified value, replace the memory switch.
- Test the resistance between terminal 5 and terminal 14 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 memory switch.
Memory Switch Values
| Switch Position | Resistance |
|---|---|
| Idle | Infinite |
| Memory 1 | 2.03K-2.49K ohms |
| Memory 2 | 3.83K-4.69K ohms |
| Exit | 9.32K-10.18K ohms |