Circuit/System Verification

WARNING: This page is about a different car, the 2015 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON.
Verify that DTC B356A is not set.
- If the DTC is set
  Refer to DTC B356A .
- If the DTC is not set
Verify that DTC B0987 is not set.
- If the DTC is set
  Refer to DTC B0987 .
- If the DTC is not set
Verify the scan tool Frontview Camera System Status parameter is Normal.
- If the parameter is Undefined or Malfunction
  Refer to Diagnostic Aids.
- If the parameter is Normal
Verify the scan tool Lane Departure Warning Switch Status parameter changes between ON and OFF when pressing the lane departure warning switch.
- If the parameter does not change between On and Off
  Refer to Circuit/System Testing - Lane Departure Warning Switch Malfunction.
- If the parameter changes between On and Off
Verify the scan tool Lane Departure Warning Indicator Status parameter changes change between On and Off when pressing the lane departure warning switch.
- If the parameter does not change between On and Off
  Refer to Circuit/System Testing - Lane Departure Warning Switch Indicator Malfunction.
- If the parameter changes between On and Off
All OK.