DTC B1242 Wireless Door Lock Tuner Circuit Malfunction
DESCRIPTION
When a RDA signal is not input to the door control receiver within 1 second after the multiplex network body ECU outputs a PRG signal, this DTC is set.
DTC No. |
DTC Detection Condition |
Suspected Area |
B1242 |
Within 1 second after PRG signal is output from multiplex network body ECU during self-diagnostic mode, corresponding RDA signal is not input |
|
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (DOOR CONTROL RECEIVER - MULTIPLEX NETWORK BODY ECU)
Standard resistance
Standard
2 CHECK DOOR CONTROL RECEIVER
REPLACE MULTIPLEX NETWORK BODY ECU
Installation
1. INSTALL RADIO NO. 2 BRACKET
Install radio No. 2 bracket with the 4 screws.
2. INSTALL RADIO NO. 1 BRACKET
Install radio No. 1 bracket with the 4 screws.
3. INSTALL RADIO RECEIVER
Connect the connector.
Install the radio receiver with the 4 scr ...
No. 1 Clearance Warning Buzzer Circuit
DESCRIPTION
The clearance warning ECU receives the ultrasonic sensor signal to sound the
front warning buzzer.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT FRONT BUZZER
Remove the clearance warning ECU with front buzzer.
Apply the battery voltage to the terminals 1 and 2 o ...
System description
1. OUTLINE OF THEFT DETERRENT SYSTEM
When the theft deterrent system detects that the
vehicle is being tampered with, the system sets off
the alarm, causing the horns to sound and the lights
to light up or blink in order to alert people around the
vehicle to the theft.
The ...