| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM100000001G1NL |
| Model Year Start: 2019 | Model: RAV4 HV | Prod Date Range: [11/2018 - 12/2021] |
| Title: CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM (for HV Model): U031851; Software Incompatibility with Brake System Control Module Not Programmed; 2019 - 2021 MY RAV4 HV [11/2018 - 12/2021] | ||
|
DTC |
U031851 |
Software Incompatibility with Brake System Control Module Not Programmed |
DESCRIPTION
If the forward recognition camera cannot verify the vehicle information sent from the skid control ECU (brake booster with master cylinder assembly), the forward recognition camera stores DTC U031851.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
MIL |
DTC Output from |
|---|---|---|---|---|---|
|
U031851 |
Software Incompatibility with Brake System Control Module Not Programmed |
The vehicle information sent from the skid control ECU (brake booster with master cylinder assembly) cannot be verified by the forward recognition camera. |
Forward recognition camera |
Does not come on |
Radar Cruise2 |
CAUTION / NOTICE / HINT
NOTICE:
- When replacing the forward recognition camera, replace it with a new one. If a forward recognition camera which was installed to another vehicle is used, the information stored in the forward recognition camera will not match the information from the vehicle and a DTC may be stored.
-
When the forward recognition camera is replaced with a new one or the windshield glass is replaced or removed/installed, make sure to perform beam axis adjustment for the forward recognition camera and clear the vehicle control history for each system.
HINT:
Forward recognition camera adjustment can be performed by using either One Time Recognition or Sequential Recognition.
One Time Recognition: Click here
![2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; CRUISE CONTROL: FRONT CAMERA: ADJUSTMENT (ONE TIME RECOGNITION)](/t3Portal/stylegraphics/info.gif)
Sequential Recognition: Click here
PROCEDURE
|
1. |
REPLACE FORWARD RECOGNITION CAMERA |
(a) Replace the forward recognition camera with a new one.
Click here
(b) Perform beam axis adjustment for the forward recognition camera.
HINT:
Forward recognition camera adjustment can be performed by using either One Time Recognition or Sequential Recognition.
One Time Recognition: Click here
Sequential Recognition: Click here
|
|
2. |
CLEAR DTC (Radar Cruise2) |
(a) Clear the DTCs.
Click here
Powertrain > Radar Cruise2 > Clear DTCs
| NEXT |
|
END (FORWARD RECOGNITION CAMERA WAS DEFECTIVE) |
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