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:
Disassembly
1. REMOVE TRANSFER COVER GASKET
(a) Remove the transfer gasket from the transfer
assembly.
2. REMOVE TRANSFER CASE BREATHER PLUG
(a) Using a screwdriver and a hammer, remove the
transfer case breather plug from the No. 1 transfer
case cover.
NOTICE:
Be careful not to damage the conta ...
CD Abnormal/ Excess Current/ Tray Insertion / Ejection Error/ CD Abnormal/
Excess Current/ Tray Insertion / Ejection Error
DTC 62-44 CD Abnormal
DTC 62-48 Excess Current
DTC 62-50 Tray Insertion / Ejection Error
DTC 63-44 CD Abnormal
DTC 63-48 Excess Current
DTC 63-50 Tray Insertion / Ejection Error
DESCRIPTION
DTC No.
DTC Detecting Condition
Trouble Area
62-44
Operation error ...
Short in Rear Curtain Shield Squib RH Circuit
DTC B1630/83 Short in Rear Curtain Shield Squib RH Circuit
DESCRIPTION
The rear curtain shield squib RH circuit consists of the center airbag sensor
assembly and the curtain
shield airbag assembly RH.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B1630/83 ...