Lexus NX: Steering Heater Switch

Lexus NX Service Manual / Steering / Steering Column / Steering Heater Switch

Inspection

INSPECTION

PROCEDURE

1. REMOVE NO. 2 COMBINATION SWITCH ASSEMBLY

Click here

2. INSPECT NO. 2 COMBINATION SWITCH ASSEMBLY

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

Standard Voltage:

Tester Connection (Positive (+) Tester Probe - Negative (-) Tester Probe)

Switch Condition

Specified Condition

7 (IG1) - 20 (IND)

Always

Below 1.25 V

19 (ECU) - 20 (IND)

Steering heater switch is pushed

Below 1.25 V

HINT:

As the circuit has a diode, perform the measurement in diode test mode, and do not mistake the polarity.

*a

Component without harness connected

(No. 2 Combination Switch Assembly (Steering Heater Switch))

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

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

7 (IG1) - 19 (ECU)

Steering heater switch is pushed

Below 1 Ω

Steering heater switch is not pushed

10 kΩ or higher

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

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

3. INSTALL NO. 2 COMBINATION SWITCH ASSEMBLY

Click here

READ NEXT:

 Steering Lock System

 Precaution

PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: After the power switch is turned off, there may be a waiting time before disconnecting the negative (-

 Parts Location

PARTS LOCATION ILLUSTRATION *1 NO. 1 ENGINE ROOM RELAY BLOCK - IG2-MAIN RELAY - IG2-MAIN FUSE - STRG LOCK FUSE - - ILLUSTRATION *1 POWER SWITCH *2 INSTRUMENT PANEL JUNCTION BLOC

SEE MORE:

 Installation

INSTALLATION PROCEDURE 1. INSTALL AIR CONDITIONER PRESSURE SENSOR (a) Remove the vinyl tape from the liquid pipe sub-assembly and the connecting part of the air conditioner pressure sensor. (b) Apply sufficient compressor oil to the O-ring of a new air conditioner pressure sensor and the connecting

 Cellular Phone Registration Failure

CAUTION / NOTICE / HINT NOTICE: When replacing the radio receiver assembly, always replace it with a new one. If a radio receiver assembly which was installed to another vehicle is used, the following may occur: A communication malfunction DTC may be stored. The radio receiver assembly may not

© 2016-2025 Copyright www.lexunx.com