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) |
Lost Communication with ECM / PCM "A" (U0100,U0129)
DESCRIPTION
The combination meter assembly communicates with the ECM via the CAN communication
system (CAN No. 1 Bus).
DTC No.
DTC Detection Condition
Trouble Area
U0100
When either of the follow ...
Data List / Active Test
DATA LIST / ACTIVE TEST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermitt ...
Transmission Range Sensor Circuit Malfunction (PRNDL Input) (P0705)
DESCRIPTION
The park/neutral position switch assembly detects the shift lever position and
sends signals to the ECM.
DTC No.
DTC Detection Condition
Trouble Area
P0705
One of the following condit ...