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:

 If a warning message is displayed

The multi-information display shows warnings of system malfunctions, incorrectly performed operations, and messages that indicate a need for maintenance. When a message is shown, perform the correction procedure appropriate to the message. Master warning light The master warning ligh

 Installation

INSTALLATION CAUTION / NOTICE / HINT CAUTION: As the engine assembly with transaxle is extremely heavy, the engine lifter may suddenly drop if the instructions listed in the repair manual are not followed. Therefore, always follow the instructions listed in the repair manual when performing this pro

© 2016-2024 Copyright www.lexunx.com