Circuit/System Verification

NOTE: Refer to Diagnostic Aids before performing Circuit/System Verification.

Ignition ON.
Verify the K43 Power Steering Control Module (if equipped) and the K17 Electronic Brake Control Module do not have any DTCs set.
- If any DTC is set
  Refer to Diagnostic Trouble Code (DTC) List - Vehicle
- If the DTC is not set
Verify that DTC B356A is not set.
- If any DTC is set
  Refer to DTC B356A
- If the DTC is not set
Verify that DTC B0987 is not set.
- If any DTC is set
  Refer to DTC B0987
- If the DTC is not set
Verify that DTC B1011 is not set.
- If any DTC is set
  Refer to DTC B1011
- If the DTC is not set
Verify the scan tool Frontview Camera Disable History 1 parameter does not have a current Malfunction
- If the parameter is Malfunction
  Refer to Diagnostic Aids
- If the parameter is Normal
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 Open and Closed while pressing and releasing the lane departure warning switch.
- If the parameter does not change between Open and Closed
  Refer to Lane Departure Warning Switch Malfunction in Circuit/System Testing.
- If the parameter changes between Open and Closed
Verify the scan tool Lane Departure Warning Switch indicator turns on and off while pressing and releasing the lane departure warning switch.
- If the indicator does not turn on and off
  Refer to Lane Departure Warning Switch Indicator Malfunction in Circuit/System Testing.
- If the indicator turns on and off
Verify the area of the K109 Frontview Camera Module for contamination.
- If it needs to be cleaned
  Clean the windshield.
- If it does not need to be cleaned
All OK.