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:
Brake Line
Precaution
PRECAUTION
1. TROUBLESHOOTING PRECAUTION
NOTICE:
Since the brake lines are critical safety related parts, be sure to
disassemble and inspect the components if a brake fluid leak is found. If
any abnormality is found, replace th ...
Removal
REMOVAL
PROCEDURE
1. REMOVE AIR CONDITIONING UNIT ASSEMBLY
(See page )
2. REMOVE NO. 1 FINISH PANEL MOUNTING BRACKET
3. REMOVE NO. 2 FINISH PANEL MOUNTING BRACKET
4. REMOVE NO. 3 AIR DUCT SUB-ASSEMBLY
5. REMOVE NO. 2 AIR DUCT SUB-ASSEMBLY
...
Inspection
INSPECTION
PROCEDURE
1. INSPECT FUEL INJECTOR ASSEMBLY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified C ...
0.1348