Lexus NX: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK STEERING EFFORT (TORQUE)
CAUTION:
These service operations may affect the SRS airbags. Be sure to read the precautionary notices concerning the SRS airbag system before servicing.
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(a) Stop the vehicle on a level, paved surface and align the wheels straight ahead.
(b) Remove the steering pad assembly.
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(c) Connect the cable to the negative (-) auxiliary battery terminal.
(d) Using a torque wrench, check that the steering wheel set nut is properly tightened.
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(e) Turn the power switch on (READY) so that the power steering is ready to operate.
(f) Turn the steering wheel 90 degrees to the right and check the steering effort (torque) while continuing to turn it further in the same direction.
Standard steering effort (Reference):
6.0 N*m (61 kgf*cm, 53 in.*lbf) or less
(g) Align the front wheels facing straight ahead.
(h) Turn the power switch off.
(i) Disconnect the cable from the negative (-) auxiliary battery terminal.
(j) Install the steering pad assembly.
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READ NEXT:
Torque Sensor1 (C1511-C1514)
DESCRIPTION The torque sensor converts the steering wheel rotation torque into electric signals and sends them to the power steering ECU assembly. DTC No. Detection Item DTC Detection Condition
Short in Motor Circuit (C1521,C1531-C1534)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition C1521 Short in Motor Circuit Motor overcurrent Power steering
Motor Terminal Voltage (C1524,C1555)
DESCRIPTION The power steering ECU assembly supplies current to the power steering motor assembly through the motor circuit. DTC No. Detection Item DTC Detection Condition Trouble Area Warn
SEE MORE:
Utility
UTILITY NOTICE: If any of the following parts has been replaced due to pre-collision system malfunction, those systems using those parts may be affected without performing necessary operations.
Forward recognition camera HINT: Forward recognition camera adjustment can be performed by using either
Removal
REMOVAL PROCEDURE 1. DRAIN ENGINE COOLANT (for Inverter Coolant) Click here 2. REMOVE AIR CLEANER CAP SUB-ASSEMBLY Click here 3. REMOVE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY Click here 4. REMOVE AIR CLEANER CASE SUB-ASSEMBLY Click here 5. REMOVE HEATER ACCESSORY ASSEMBLY (a) Disco
