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 |
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DESCRIPTION
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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 ...
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REASSEMBLY
PROCEDURE
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(a) Coat the shift solenoid valve SL4 and bolt with ATF.
Text in Illustration
*1
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*2
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INITIALIZATION
NOTICE:
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...
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