Toyota Sienna Service Manual: Wireless Door Lock Tuner Circuit Malfunction
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)
- Disconnect the D4 receiver connector.
- Disconnect the B9 ECU connector.
- Check the resistance between the wire harness side connectors.
Standard resistance
- Check the voltage and resistance between the D4 receiver connector or B9 ECU connector and the body ground.
Standard
2 CHECK DOOR CONTROL RECEIVER
- Check that the DTC is not output.
REPLACE MULTIPLEX NETWORK BODY ECU
Diagnostic trouble code chart
HINT:
If a trouble code is displayed during the DTC check,
inspect the circuit listed for that code. For details of the
code, refer to the "See page" in the DTC chart.
...
No Answer-Back (Hazard Warning Light and Wireless Door Lock
Buzzer)
DESCRIPTION
If there is no answer-back of the hazard light signal and the wireless door lock
buzzer although the
wireless control function is operating normally, there might be a malfunction in
...
Other materials:
Cellular Phone Registration Failure, Phone Directory Transfer Failure
INSPECTION PROCEDURE
1 CHECK CURRENT CONDITIONS
Proceed to the next step according to the table below.
RESULT
2 CHECK USING ANOTHER CELLULAR PHONE
Check if the system functions using another Bluetooth
compatible cellular phone.
HINT:
Confirm that either the same or a di ...
Short in Driver Side Squib 2nd Step Circuit
DTC B1180/17 Short in Driver Side Squib 2nd Step Circuit
DESCRIPTION
The driver side squib 2nd step circuit consists of the center airbag sensor
assembly, the spiral cable and
the steering pad.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B1180/17 is rec ...
Installation
1. INSTALL REAR SEAT 3 POINT TYPE BELT
ASSEMBLY (for 8-Passenger)
HINT: Refer to the instructions for reassembly of the rear
No. 1 seat assembly (for center seat).
Install the rear seat 3 point type belt assembly with
the bolt.
Torque: 42 N*m (430 kgf*cm, 31 ft.*lbf)
2. INSTALL ...
