Component Testing
WARNING: This page is about a different car, the 2009 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
Lumbar Switch
- Ignition OFF, disconnect the harness connector at the lumbar switch.
- Test for infinite resistance between the B+ terminal G and the switch terminals listed below with the switch in the open position.
- Lumbar horizontal forward switch terminal B
- Lumbar horizontal rearward switch terminal C
- Lumbar vertical upward switch terminal F
- Lumbar vertical downward switch terminal A
- If not the specified value, replace the lumbar switch.
- Test for less than 1 ohm between the B+ terminal G and the switch terminals listed below with the appropriate switch in the closed position.
- Lumbar horizontal forward switch terminal B
- Lumbar horizontal rearward switch terminal C
- Lumbar vertical upward switch terminal F
- Lumbar vertical downward switch terminal A
- If greater than the specified range, replace the lumbar switch.
- Test for less than 1 ohm between the ground terminal E and the switch terminals listed below with the switch in the open position.
- Lumbar horizontal forward switch terminal B
- Lumbar horizontal rearward switch terminal C
- Lumbar vertical upward switch terminal F
- Lumbar vertical downward switch terminal A
- If greater than the specified range, replace the lumbar switch.