Toyota Venza: Vehicle Specifications have not been Stored (B2451)
DESCRIPTION
The headlight leveling ECU assembly stores this DTC if the vehicle specifications have not been stored in the ECU.
HINT:
The vehicle specifications are stored in the ECU at the factory.
|
DTC No. |
DTC Detecting Condition |
Trouble Area |
|---|---|---|
|
B2451 |
Vehicle specifications have not been stored |
Headlight leveling ECU assembly |
PROCEDURE
|
1. |
REPLACE HEADLIGHT LEVELING ECU ASSEMBLY |
(a) Replace the headlight leveling ECU assembly (See page
.gif)
).
|
.gif)
|
2. |
PERFORM INITIALIZATION |
(a) Perform initialization of the headlight leveling ECU assembly (See page
).
| NEXT | .gif) |
END |
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Lighting System
DTC Code
Detection Item
See page
B1244
Light Sensor Circuit Malfunction
...
Lost Communication with Automatic High Beam Sensor (B2432)
DESCRIPTION
The DTC is stored when the AFS ECU (headlight swivel ECU assembly) detects malfunctions
in the LIN communication system.
DTC No.
DTC Detection Condition
...
Other materials about Toyota Venza:
Rear window defogger
Clear the rear window using the defogger.
On/off
The defogger will automatically turn off after 15 or 60 minutes.
This operation time changes according to the ambient temperature and vehicle
speed.
Pressing the switch again also turns the defogger off. ...
Panel Switches do not Function
PROCEDURE
1.
CHECK PANEL SWITCH
(a) Check for foreign matter around the switches that might prevent operation.
OK:
No foreign matter is found.
NG
REMOVE ANY FOREIGN MATTER FOUND
...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT) (w/ POWER BACK DOOR
SYSTEM)
(a) Disconnect the L20 power back door ECU connector.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
...
0.131