Lexus NX: Actuator Power Source Circuit

DESCRIPTION

This is the power source for the power tilt and power telescopic steering column system.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - AUXILIARY BATTERY)

(a) Disconnect the I60 multiplex tilt and telescopic ECU connector.

*a

Front view of wire harness connector

(to Multiplex Tilt and Telescopic ECU)

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Condition

Specified Condition

I60-2 (+B) - Body ground

Always

11 to 14 V

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

2.

CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - BODY GROUND)

(a) Disconnect the I60 multiplex tilt and telescopic ECU connector.

*a

Front view of wire harness connector

(to Multiplex Tilt and Telescopic ECU)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

I60-1 (GND) - Body ground

Always

Below 1 Ω

OK

REPLACE MULTIPLEX TILT AND TELESCOPIC ECU

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

READ NEXT:

 Tilt and Telescopic Manual Switch Circuit

DESCRIPTION Different voltage values are sent to the multiplex tilt and telescopic ECU by operating the tilt and telescopic switch. The multiplex tilt and telescopic ECU then judges which motor and in

 IG Power Source Circuit

DESCRIPTION When the power switch is turned on (IG), the IG power source circuit supplies positive (+) voltage to the multiplex tilt and telescopic ECU. The multiplex tilt and telescopic ECU also rece

 Steering Column Assembly (for Manual Tilt And Manual Telescopic Steering Column)

SEE MORE:

 Inspection

INSPECTION PROCEDURE 1. PRECAUTION NOTICE: After performing the following check, initialize the fold seat control ECU (initial position reset and initial position memorization). Click here 2. INSPECT REAR SEATBACK FRAME SUB-ASSEMBLY LH (a) Check the operation of the reclining motor. (1) Apply auxi

 Precaution

PRECAUTION TROUBLESHOOTING PRECAUTIONS (a) When there is a malfunction with terminal contact points or a problem with the installation of a part, reconnecting the connectors or removal/installation of the suspected parts may return the system to the normal condition either completely or temporarily.

© 2016-2026 Copyright www.lexunx.com