Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Kick Sensor Circuit (B2205)
DESCRIPTION
B2205 is output when the multiplex network door ECU detects that the kick door control sensor is stuck on.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B2205 | Kick Sensor Circuit | One of the following conditions is met for approximately 60 seconds or more:
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
- Before troubleshooting, make sure that the kick door control sensor is not damaged.
-
Before troubleshooting, be sure to read Precautions for Hands Free Power Back Door.
Click here
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-
If the multiplex network door ECU has been removed and installed or replaced, or if any of the connectors have been disconnected, initialize the power back door system.
Click here
-
After performing work, using the Techstream, read the Data List item "Kick Sensor Connection" and check that the kick door control sensor is connected.
Click here
-
Check the smart access system (for Entry Function) first before troubleshooting the power back door system.
Click here
PROCEDURE
| 1. | CHECK FOR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Back Door / Trouble Codes.
(e) Clear the DTCs.
Body Electrical > Back Door > Clear DTCs(f) Recheck for DTCs.
Body Electrical > Back Door > Trouble CodesOK:
DTC B2205 is not output.
| OK | .gif) | USE SIMULATION METHOD TO CHECK |
|
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| 2. | CHECK FOR DTC |
(a) Disconnect the Y9 kick door control sensor connector.
(b) Wait for approximately 60 seconds.
(c) Clear the DTCs.
Body Electrical > Back Door > Clear DTCs(d) Check for DTCs.
Body Electrical > Back Door > Trouble CodesOK:
DTC B2205 is not output.
| OK | | REPLACE KICK DOOR CONTROL SENSOR |
|
| 3. | CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK DOOR ECU - KICK DOOR CONTROL SENSOR) |
(a) Disconnect the Z16 multiplex network door ECU connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| Z16-14 (KSIN) or Y9-3 (KSOT) - Body ground | Always | 10 kΩ or higher |
| OK | | REPLACE MULTIPLEX NETWORK DOOR ECU |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
Data List / Active Test
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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