DESCRIPTION
The main body ECU (Multiplex Network Body ECU) receives a back door open/closed signal from back door lock assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the main ECU (multiplex network body ECU), refer to Registration*1.
Click here
PROCEDURE
1. |
READ VALUE USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Main Body / Data List.
(e) Read the Data List according to the display on the Techstream.
Body Electrical > Main Body > Data List
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|---|
Back Door Courtesy SW |
Back door courtesy switch signal |
ON or OFF |
ON: Back door open OFF: Back door closed |
- |
Tester Display |
---|
Back Door Courtesy SW |
OK:
Normal conditions listed above are displayed.
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
|
|
2. |
INSPECT BACK DOOR LOCK ASSEMBLY |
(a) Remove the back door lock assembly.
Click here
(b) Inspect the back door courtesy switch built in the back door lock assembly.
Click here
OK:
Back door lock assembly is normal.
NG | ![]() |
REPLACE BACK DOOR LOCK ASSEMBLY |
|
3. |
CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY) |
(a) Disconnect the 3H instrument panel junction block assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
S9-3(D+) - 3H-34 |
Always |
Below 1 Ω |
S9-3(D+) or 3H-34 - Body ground |
Always |
10 kΩ or higher |
S9-2(ACT-) - Body ground |
Always |
Below 1 Ω |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY |
(a) Remove the instrument panel junction block assembly.
Click here
(b) Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.
Click here
(c) Measure the resistance according to the value(s) in the table below.
*a |
Component without harness connected (Instrument Panel Junction Block Assembly) |
- |
- |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
3H-34 - MB-4 (BCTY) |
Always |
Below 1 Ω |
OK | ![]() |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
|
NG | ![]() |
REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
|
Toyota CH-R Service Manual > Rear Disc Brake Pad(for Tmmt Made): Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
The following procedure is for the LH side.
Use the same procedure for the RH side and LH side.
PROCEDURE
1. PRECAUTION
Click here
2. REMOVE REAR WHEEL
Click here
3. PERFORM REAR BRAKE PAD REPLACEMENT MODE
Click here
4. D ...
KIA Niro EV / Hybrid (SG2) - (2021-2023) - Owner's manual > Interior features: Seat warmer/ventilation
The seat warmer/ventilation is provided
to warm/cool the front and the rear
seats.
* The seat ventilation is provided only on
the front seats.
Operation
Push the button to control the function.
It defaults to the OFF position the
vehicle is in ON position.
The temperature setting ...