Wireless Door Lock Control System (W/ Smart Entry System)

DTC B1242 WIRELESS DOOR LOCK TUNER CIRCUIT MALFUNCTION

CIRCUIT DESCRIPTION

DTC Detection Condition:

This DTC is detected when a RDA signal is not input to the door control receiver through the smart ECU within 1 second after the multiplex network body ECU outputs a PRG signal.

Wiring Diagram:

Step 1 - 2:

Step 3:

INSPECTION PROCEDURE