DESCRIPTION
The door control receiver receives signals from the transmitter and sends these signals to the main body ECU (driver side junction block assembly).
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
B1242 |
In diagnostic mode, an applicable RDA signal cannot be received within 2.4 seconds after a PRG signal has been output from the main body ECU (driver side junction block assembly). |
|
WIRING DIAGRAM
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - DOOR CONTROL RECEIVER) |
(a) Disconnect the D49 main body ECU connector and the M15 door control receiver connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D49-12 (RDA) - M15-2 (RDA) |
Always |
Below 1 Ω |
D49-12 (RDA) - Body ground |
Always |
10 kΩ or higher |
D49-10 (PRG) - M15-3 (PRG) |
Always |
Below 1 Ω |
D49-10 (PRG) - Body ground |
Always |
10 kΩ or higher |
*1 |
Front view of wire harness connector (to Main Body ECU (Driver Side Junction Block Assembly)) |
*2 |
Front view of wire harness connector (to Door Control Receiver) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
CHECK HARNESS AND CONNECTOR (BATTERY, BODY GROUND) |
(a) Measure the voltage and resistance according to the value(s) in the table below. Standard:
|
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
REPLACE DOOR CONTROL RECEIVER |
(a) Temporarily replace the door lock control receiver with a new or known good one (See page ).
|
4. |
REGISTER RECOGNITION CODE |
(a) Perform the Registration procedure (See page ).
|
5. |
CONFIRM DTC |
(a) Clear the DTCs (See page ).
(b) Recheck for DTCs.
Result |
Proceed to |
---|---|
DTC is not output |
A |
DTC is output |
B |
A |
END (DOOR CONTROL RECEIVER WAS DEFECTIVE) |
B |
REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) |
Using the AUX port/USB port
This port can be used to connect a portable audio device and listen to it
through the vehicle’s speakers.
Open the cover.
Connect the portable audio device.
- Operating portable audio devices connected to the audio system
The volume can be adj ...
Terminals Of Ecm
TERMINALS OF ECM
HINT:
The standard voltage between each pair of ECM terminals is shown in the table
below. The appropriate conditions for checking each pair of terminals are also indicated.
The result of checks should be compared with the standard vol ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Perform troubleshooting in accordance with the following flowchart.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
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