DESCRIPTION
The torque sensor converts the rotation torque input to the steering wheel into an electrical signal and sends it to the power steering ECU. Based on this signal, the ECU detects steering effort.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
C1511 |
Torque sensor (TRQ1) signal error or stop |
|
C1512 |
Torque sensor (TRQ2) signal error or stop |
|
C1513 |
Deviation between torque sensors TRQ1 and TRQ2 exceeds specified value |
|
C1514 |
Torque sensor power source voltage error |
|
C1517 |
Temporary control due to malfunction related to torque sensor continues for long time |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
If the power steering ECU and steering column assembly have been replaced, perform
the rotation angle sensor initialization and torque sensor zero point calibration
(See page ).
PROCEDURE
1. |
CHECK CONNECTOR CONNECTION CONDITION (TORQUE SENSOR - ECU) |
(a) Check the installation condition of the torque sensor connector.
OK:
Torque sensor connector is securely connected to the power steering ECU.
NG | ![]() |
CONNECT CONNECTOR |
|
2. |
CHECK POWER STEERING ECU (TRQV VOLTAGE) |
(a) Turn the ignition switch to ON.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
z10-6 (TRQV) - z10-8 (TRQG) |
Ignition switch ON |
4.5 to 5.5 V |
*1 |
Component with harness connected (Power Steering ECU) |
NG | ![]() |
REPLACE POWER STEERING ECU |
|
3. |
CHECK POWER STEERING ECU (TRQ1, TRQ2 VOLTAGE) |
(a) Start the engine. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
z10-5 (TRQ1) - z10-8 (TRQG) |
The engine running, steering wheel not turned (without load). |
2.3 to 2.7 V |
The engine running, steering wheel turned to right with vehicle stopped. |
2.5 to 3.8 V |
|
The engine running, steering wheel turned to left with vehicle stopped. |
1.2 to 2.5 V |
|
z10-7 (TRQ2) - z10-8 (TRQG) |
The engine running, steering wheel not turned (without load). |
2.3 to 2.7 V |
The engine running, steering wheel turned to right with vehicle stopped. |
1.2 to 2.5 V |
|
The engine running, steering wheel turned to left with vehicle stopped. |
2.5 to 3.8 V |
(c) Under each condition, measure the voltage at terminals TRQ1 and TRQ2, and calculate the sum.
Standard Voltage:
Inspection Item |
Condition |
Specified Condition |
---|---|---|
Sum of voltage between z10-5 (TRQ1) and z10-8 (TRQG) and voltage between z10-7 (TRQ2) and z10-8 (TRQG) |
The engine running, steering wheel not turned (without load). |
Between 4.75 V and 5.25 V |
The engine running, steering wheel turned to right with vehicle stopped. |
||
The engine running, steering wheel turned to left with vehicle stopped. |
*1 |
Component with harness connected (Power Steering ECU) |
OK | ![]() |
REPLACE POWER STEERING ECU |
NG | ![]() |
REPLACE STEERING COLUMN ASSEMBLY |
Stereo Component Amplifier
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE FRONT SEAT ASSEMBLY RH (for Manual Seat)
HINT:
Use the same procedure for the RH side and the LH side (See page
).
2. REMOVE FRONT SEAT ASSEMBLY RH (for Power Seat)
HINT:
...
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The procedure listed below is for the LH side.
PROCEDURE
1. INSTALL CURTAIN SHIELD AIRBAG ASSEMBLY
(a) Check that the ignition switch is off. ...
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DESCRIPTION
The front airbag sensor RH circuit consists of the center airbag sensor assembly
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The front airbag sensor RH detects impacts to the vehicle and sends signals to
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