RX400h · Service Manual BODY ELECTRICAL

INSTALLATION

Removal / installation


1. INSTALL HEADLIGHT DIMMER SWITCH

  1. E068372E03
    Install the headlight dimmer switch as shown in the illustration.

  1. I037768E03
    Install the headlight dimmer switch with the claw and the clamp.

  1. Connect the connector.


2. INSTALL WIPER SWITCH

  1. Install the wiper switch with the claw.

  1. Connect the connector.


3. INSTALL SPIRAL CABLE

  1. Check that the front wheels are facing straight ahead.

  1. Set the turn signal switch to the neutral position.

    NOTICE:
    If it is not in the neutral position, the pin of the turn signal switch may snap.

  1. C111113
    Install the spiral cable.

    NOTICE:
    When replacing the spiral cable with a new one, remove the lock pin before installing the steering wheel assembly.

  1. Connect the connectors to the spiral cable.

    NOTICE:
    When handling the airbag connector, take care not to damage the airbag wire harness.


4. INSTALL STEERING COLUMN COVER (for Power Tilt and Power Telescopic)

  1. C111431
    Engage the claw to install the steering column cover upper.

  1. C111471
    Engage the 2 claws to install the steering column cover lower.

    NOTICE:
    Do not damage the tilt and telescopic switch.

  1. Install the 3 screws.


5. INSTALL STEERING COLUMN COVER (for Manual Tilt)

  1. C111431
    Engage the claw to install the steering column cover upper.

  1. C111428E01
    Engage the 2 claws to install the steering column cover lower.

  1. Install the 3 screws.

  1. Install the steering column cover No.2.


6. ADJUST SPIRAL CABLE

  1. Check that the ignition switch is off.

  1. Check that the battery negative (-) terminal is disconnected.

    CAUTION:
    After removing the terminal, wait for at least 90 seconds before starting the operation.

  1. H042735E01
    Rotate the spiral cable counterclockwise slowly by hand until it feels firm.

    NOTICE:
    Do not turn the spiral cable by the airbag wire harness.

  1. H042736E01
    Rotate the spiral cable clockwise approximately 2.5 turns to align the marks.

    NOTICE:
    Do not turn the spiral cable by the airbag wire harness.

    HINT:
    The spiral cable will rotate approximately 2.5 turns to both the left and right from the center.


7. INSTALL STEERING WHEEL ASSEMBLY

  1. Align the matchmarks on the steering wheel assembly and steering main shaft assembly.

  1. Install the steering wheel assembly set nut.

    Torque:
    50 N*m{ 510 kgf*cm , 37 ft.*lbf }


8. INSPECT STEERING WHEEL CENTER POINT

9. INSTALL STEERING PAD ASSEMBLY

  1. C111064
    Support the steering pad with one hand as shown in the illustration.

  1. Connect the 2 connectors to the steering pad.

    NOTICE:
    When handling the airbag connector, take care not to damage the airbag wire harness.

  1. Connect the horn connector.

  1. Confirm that the circumference groove of the "torx" screw fits in the screw case, and place the steering pad onto the steering wheel assembly.

  1. Using a "torx" socket wrench (T30), tighten the 2 "torx" screws.

    Torque:
    8.8 N*m{ 90 kgf*cm , 78 in.*lbf }


10. INSTALL STEERING WHEEL NO.2 COVER LOWER

  1. C111801
    Install the steering wheel No.2 cover lower.


11. INSTALL STEERING WHEEL NO.3 COVER LOWER

  1. C111800
    Install the steering wheel No.3 cover lower.


12. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

13. INSPECT STEERING PAD ASSEMBLY

  1. C111049
    With the steering pad installed on the vehicle, perform a visual check. If there are any defects as mentioned below, replace the steering pad with a new one:
    1. Cuts, minute cracks or marked discoloration on the steering pad top surface or in the grooved portion.

  1. Make sure that the horn sounds.

    HINT:
    If the horn does not sound, inspect the horn system (Click here).


14. PERFORM INITIALIZATION
(Click here)

15. INSPECT SUPPLEMENTAL RESTRAINT SYSTEM WARNING LIGHT
(Click here)
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