Inspection Procedure

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

When this DTC is output, a malfunction in the electronically controlled brake system is suspected. Check if the electronically controlled brake system is functioning normally. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] .
When this DTC is output, a malfunction in the lighting system is suspected. Check if the lighting system is functioning normally. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] .

HINT:

This circuit uses CAN communication. Therefore, be sure to check that the CAN communication system is normal before performing inspection.
Inspect the fuses for circuits related to this system before performing the following inspection procedure.