Diagnostic Trouble Code Chart

If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to "See page" in the DTC chart. Inspect the fuses and relays before troubleshooting the areas shown in the table below.

Wireless Door Lock Control System

TROUBLESHOOTING CHART

DTC Code	Detection item	Trouble Area	Refer To
B1242	Wireless Door Lock Tuner Circuit Malfunction	Wire harness or connector Door control receiver Main body ECU (Instrument panel junction block)	DTC B1242 WIRELESS DOOR LOCK TUNER CIRCUIT MALFUNCTION