Toyota Yaris: Steering Angle Sensor / Installation

INSTALLATION

CAUTION / NOTICE / HINT

NOTICE:

After performing the update ECU security key procedure, make sure to perform the initialization procedure for when the cable has been disconnected and reconnected to the negative (-) auxiliary battery terminal.

PROCEDURE

1. INSPECT SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY

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2. INSTALL STEERING SENSOR

(a) Align the 2 pins and 2 guides, and engage the 6 claws to install the steering sensor to the spiral cable sub-assembly. NOTICE: Do not remove the lock pin before the steering sensor is installed to the spiral cable sub-assembly. Do not damage the pins of the spiral cable sub-assembly or guides of the steering sensor. The spiral cable sub-assembly can be rotated up to 30° even when the interlock is engaged. Therefore, make sure that both guides are aligned properly when installing the steering sensor to the spiral cable sub-assembly.

*a Guide *b Pin *c Lock Pin

(b) Remove the lock pin from the steering sensor.

3. PLACE FRONT WHEELS FACING STRAIGHT AHEAD

4. INSTALL SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY

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5. INSTALL UPPER STEERING COLUMN COVER

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6. INSTALL LOWER STEERING COLUMN COVER

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7. ADJUST SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY

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8. INSTALL STEERING WHEEL ASSEMBLY

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9. INSTALL HORN BUTTON ASSEMBLY

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10. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL

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11. UPDATE ECU SECURITY KEY

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12. INSPECT HORN BUTTON ASSEMBLY

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13. PERFORM DIAGNOSTIC SYSTEM CHECK

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14. CHECK SRS WARNING LIGHT

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15. PERFORM CALIBRATION

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16. INITIALIZATION AFTER RECONNECTING AUXILIARY BATTERY TERMINAL

HINT:

When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.

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