Toyota Venza: Yaw Rate Sensor Output Malfunction (C1448/98)
DESCRIPTION
The skid control ECU receives signals from the yaw rate and acceleration sensor via the CAN communication system.
The yaw rate sensor has a built-in acceleration sensor and detects the vehicle condition.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C1448/98 |
When the vehicle speed is 20 km/h (12 mph) or more, an invalid data signal is received from the yaw rate sensor for 120 seconds or more. |
Yaw rate and acceleration sensor |
PROCEDURE
|
1. |
CHECK DTC |
(a) Clear the DTCs (See page .gif)
).
(b) Start and idle the engine.
(c) Drive the vehicle at a speed of 20 km/h (12 mph) or more for at least 120 seconds, and then stop the engine.
(d) Check if the same DTC is recorded (See page
).
|
Result |
Proceed to |
|---|---|
|
DTC (C1448/98) is output |
A |
|
DTC (C1448/98) is not output |
B |
| A | .gif) |
REPLACE YAW RATE AND ACCELERATION SENSOR |
| B | |
CHECK FOR INTERMITTENT PROBLEMS |
Performance Decline of Brake Function (C1441)
DESCRIPTION
The skid control ECU judges brake failure conditions have occurred based on the
signal from the brake pedal load sensing switch and master cylinder pressure sensor.
NOTICE:
Do not int ...
Control Module Communication Bus OFF (U0073/94,U0100/65,U0123/62,U0124/95,U0126/63)
DESCRIPTION
The skid control ECU receives the signals from the ECM, steering angle sensor,
and yaw rate and acceleration sensor via the CAN communication system.
DTC Code
DTC ...
Other materials about Toyota Venza:
Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT DRIVE SHAFT ASSEMBLY
(a) Check whether the drive shaft dimensions are within the following
specifications.
Text in Illustration
*A
LH
*B
...
Installation
INSTALLATION
PROCEDURE
1. INSTALL MANUAL VALVE
(a) Coat the manual valve with ATF and install it to the transmission
valve body assembly.
2. INSTALL TRANSMISSION VALVE BODY ASSEMBLY
(a) Coat th ...
Precaution
PRECAUTION
1. PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following system after the terminal is reconnected:
System Name
...
0.1639