RX400h · Service Manual STEERING

INSPECTION

Inspection


INSPECT TIE ROD ASSEMBLY LH

  1. Secure the tie rod assembly LH in a vise.

  1. Install the nut to the stud bolt.

  1. Flip the ball joint back and forth 5 times or more.

  1. ZK08184E01
    Using a torque wrench, turn the nut continuously at a rate of 3 to 5 seconds per turn and take the torque reading on the 5th turn.

    Turning torque:
    0.49 to 3.43 N*m (5.0 to 35 kgf*cm, 4.3 to 30.4 in.*lbf)

    If turning torque is not within the specified range, replace the tie rod assembly LH.


INSPECT TIE ROD ASSEMBLY RH

HINT:
Perform the same procedure as for the LH side.


INSPECT TOTAL PRELOAD

  1. Temporarily install the left and right steering rack ends to prevent steering rack over stroke.

  1. C111463E01
    Using SST and a torque wrench, inspect total preload.
    SST
    09616-00011  

    Preload (turning):
    1.0 to 2.0 N*m (10.2 to 20.4 kgf*cm, 8.9 to 17.7 in.*lbf)

    If turning torque is not as specified, replace the power steering link assembly.


INSPECT POWER STEERING LINK ASSEMBLY (TORQUE SENSOR)

  1. C102953E05
    Measure the resistance according to the value(s) in the table below.

    Resistance:
    Tester connection
    (Symbols)
    		 Condition
    		 Specified condition
    P44-1 (INCS) - P44-7 (TQG2)
    		 Always
    		 90 to 170 Ω P44-
    P44-2 (INSN) - P44-7 (TQG2)
    		 Always
    		 300 to 430 Ω
    P44-4 (TRQV) - P44-8 (TQG1)
    		 Always
    		 4 to 14 Ω
    P44-5 (OUCS) - P44-7 (TQG2)
    		 Always
    		 90 to 170 Ω
    P44-6 (OUSN) - P44-7 (TQG2)
    		 Always
    		 300 to 430 Ω


INSPECT POWER STEERING LINK ASSEMBLY (POWER STEERING MOTOR)

  1. C110602E02
    Measure the resistance according to the value(s) in the table below.

    Resistance:
    Tester connection
    (Symbols)
    		 Condition
    		 Specified condition
    P43-3 (U) - P43-2 (V)
    		 Always
    		 Below 1 Ω
    P43-2 (V) - P43-1 (W)
    		 Always
    		 Below 1 Ω
    P43-1 (W) - P43-3 (U)
    		 Always
    		 Below 1 Ω

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