DTC Troubleshooting: 4, 5
LKAS Camera DTC 4:
 Lost Communication with LKAS Control Unit
LKAS Camera DTC 5:
 Reception Error with LKAS Control Unit
  1. Clear the DTCs with the HDS.
  1. Turn the ignition switch to LOCK (0), then turn it to ON (II).
  1. Watch the LKAS indicator.
Does the LKAS indicator come on?
YES -
Go to Step 4 .
NO -
Go to Step 12 .
  1. Check for DTCs with the HDS.
Is DTC 4 or 5 indicated?
YES -
Go to Step 5 .
NO -
Troubleshoot the indicated DTC.■
  1. Check the No. 1 (7.5 A) fuse in the driver's under-dash fuse/relay box.
Is the fuse OK?
YES -
Go to Step 6 .
NO -
Replace the fuse, go to Step 6 .
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect the LKAS camera 10P connector and LKAS control unit 26P connector.
  1. Turn the ignition switch to ON (II).
  1. Measure the voltage between body ground and the LKAS camera 10P connector No. 3 and No. 4 terminals individually.
Is there battery voltage?
YES -
Repair short to power in the wire between the LKAS camera and LKAS control unit.■
NO -
Go to Step 10 .
  1. Turn the ignition switch to LOCK (0).