| Last Modified: 05-08-2025 | 6.11:8.1.0 | Doc ID: RM1000000021HPX |
| Model Year Start: 2022 | Model: RAV4 | Prod Date Range: [12/2021 - ] |
| Title: NETWORKING: LIN COMMUNICATION SYSTEM: B2786; No Response from Steering Lock ECU; 2022 - 2025 MY RAV4 RAV4 HV [12/2021 - ] | ||
|
DTC |
B2786 |
No Response from Steering Lock ECU |
DESCRIPTION
As this DTC is not normally output, it may be due to noise in the LIN communication system, etc.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
B2786 |
No Response from Steering Lock ECU |
Noise in the LIN communication system, etc. |
ID code box (immobiliser code ECU) |
CAUTION / NOTICE / HINT
NOTICE:
-
When using the Techstream with the ignition switch off to troubleshoot:
Connect the Techstream to the vehicle, and turn a courtesy light switch on and off at 1.5 second intervals until communication between the Techstream and vehicle begins.
- Inspect the fuses for circuits related to this system before performing the following inspection procedure.
-
Before replacing the certification ECU (smart key ECU assembly) or steering lock actuator assembly, refer to the smart key system (for start function).
for HV Model: Click here
![2022 - 2025 MY RAV4 HV [12/2021 - ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): REGISTRATION](/t3Portal/stylegraphics/info.gif)
for Gasoline Model: Click here
HINT:
When the communication between the steering lock actuator or upper bracket assembly and certification ECU (smart key ECU assembly) stops, DTC B2785 is also stored.
PROCEDURE
|
1. |
CHECK FOR DTC |
(a) Clear the DTCs.
Click here
Body Electrical > Smart Key > Clear DTCs
(b) Recheck for DTCs.
Click here
Body Electrical > Smart Key > Trouble Codes
OK:
DTC B2786 is not output.
| OK |
|
| NG |
|
REPLACE ID CODE BOX (IMMOBILIZER CODE ECU) |
|
|