Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: 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

HINT:

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 - BATTERY)

(a) Disconnect the J25 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

J25-2 (+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 J25 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

J25-1 (GND) - Body ground

Always

Below 1 Ω

OK

REPLACE MULTIPLEX TILT AND TELESCOPIC ECU

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

    Power Tilt And Power Telescopic Steering Column System
    ...

    Tilt and Telescopic Manual Switch Circuit Malfunction (B2603)
    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 ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Steering Lock System: Problem Symptoms Table
    PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspect ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Front Power Seat Control System (w/ Memory): System Description
    SYSTEM DESCRIPTION FRONT POWER SEAT CONTROL SYSTEM DESCRIPTION The driver seat is equipped with slide, reclining, lifter, front vertical, lumbar support adjustment and cushion length* functions. The memory call function uses the key ID code of each electrical key transmitter sub-assembly to mem ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

    © 2025 Copyright www.lexusrx.net
    0.0569