Toyota Venza: Vehicle Speed Signal Malfunction (C1541)
DESCRIPTION
The power steering ECU receives vehicle speed signals from the brake actuator assembly (skid control ECU) via CAN communication. The ECU provides appropriate assisting force in accordance with the vehicle speed, based on the signals.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C1541 |
This DTC is detected when vehicle speed signals via CAN communication are cut off for 3 seconds or more. |
|
CAUTION / NOTICE / HINT
NOTICE:
If the power steering ECU has been replaced with a new one, perform the rotation
angle sensor initialization and torque sensor zero point calibration (See page
.gif)
).
PROCEDURE
|
1. |
CHECK OTHER DTC OUTPUT (CAN COMMUNICATION SYSTEM) |
(a) Check if DTC U0129 is output (See page
).
|
Result |
Proceed to |
|---|---|
|
No output |
A |
|
U0129 is output |
B |
HINT:
DTC U0129 indicates an brake actuator assembly (skid control ECU) communication malfunction in the power steering system.
| B | .gif) |
GO TO CAN COMMUNICATION SYSTEM |
|
.gif)
|
2. |
CHECK OTHER DTC OUTPUT (VEHICLE STABILITY CONTROL SYSTEM) |
(a) Using the Techstream, check for DTCs and confirm that there are no problems
in the vehicle stability control system (See page
).
|
Result |
Proceed to |
|---|---|
|
DTC is not output. |
A |
|
DTC is output. |
B |
| A | |
REPLACE POWER STEERING ECU |
| B | |
REPAIR CIRCUIT INDICATED BY OUTPUT CODE |
Motor Rotation Angle Sensor Malfunction (C1528)
DESCRIPTION
The motor rotation angle sensor detects the motor rotation angle and sends this
information to the power steering ECU.
DTC No.
DTC Detection Condition
...
Motor Circuit Malfunction (C1522-C1555)
DESCRIPTION
The power steering ECU supplies current to the power steering motor through the
motor circuit.
DTC No.
DTC Detection Condition
Trouble Area
...
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ID code regi ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL REAR DOOR COURTESY LIGHT SWITCH
(a) Using "TORX" socket wrench T30, install the rear door courtesy light
switch with the "TORX" bolt.
Torque:
8.0 N·m {82 kgf·cm, 71 in·lbf}
...
Removal
REMOVAL
PROCEDURE
1. REMOVE UPPER CONSOLE PANEL SUB-ASSEMBLY (w/o Seat Heater System)
2. REMOVE UPPER CONSOLE PANEL SUB-ASSEMBLY (w/ Seat Heater System)
3. REMOVE NO. 2 CONSOLE BOX CARPET
(a) Remove the No. 2 console box carpet.
...
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