Component Test

WARNING: This page is about a different car, the 2017 GMC Canyon and 2017 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

Static Test

Ignition OFF, disconnect the harness connector at the S48A Multifunction Switch - Instrument Panel.
Test for infinite resistance between the control circuit terminal 8 and ground circuit terminal 14.
- If less than infinite resistance
  Replace the S48A Multifunction Switch - Instrument Panel.
- If infinite resistance
Test for less than 10 Ω between the control circuit terminal 8 and ground circuit terminal 14 while pressing the lane departure warning switch.
- If 10 Ω or greater
  Replace the S48A Multifunction Switch - Instrument Panel.
- If less than 10 Ω
All OK.