DESCRIPTION
The driving support ECU receives vehicle speed signals from the skid control ECU via the CAN communication line to control the lane-keeping assist system. When the driving support ECU receives information that there is a malfunction in the vehicle speed sensor, DTC C1A45 is stored.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| C1A45 | When the vehicle speed is 48 km/h (30 mph) or more with the lane-keeping assist main switch on, a signal indicating a malfunction in the vehicle speed sensor is received from the skid control ECU. |
|
INSPECTION PROCEDURE
PROCEDURE
CHECK FOR DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)
Check for DTCs (Click here).
| OK |
|---|
| Electrically controlled brake system DTCs are not output. |
CHECK FOR DTC
Clear the DTCs (Click here).
If the detection conditions are not met, the system cannot detect the malfunction.
Drive the vehicle at a 50 km/h (31 mph) or more, and operate lane-keeping assist system.
Check for DTCs (Click here).
| OK |
|---|
| DTC C1A45 is not output. |
REPLACE DRIVING SUPPORT ECUClick here
GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEMClick here
USE SIMULATION METHOD TO CHECKClick here