Lexus NX: Parts Location

PARTS LOCATION

ILLUSTRATION

*1

NO. 2 COMBINATION SWITCH ASSEMBLY

- STEERING HEATER SWITCH

*2

STEERING WHEEL ASSEMBLY

- STEERING WHEEL HEATER UNIT

*3

INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

- ECU-IG NO. 2 FUSE

- ECU-IG NO. 3 FUSE

*4

STEERING VIBRATION AND HEATER ECU

*5

SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY

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-

ILLUSTRATION

*1

NO. 2 ENGINE ROOM RELAY BLOCK

- STRG HTR RELAY

- STRG HTR FUSE

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-

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 System Diagram

SYSTEM DIAGRAM SYSTEM DIAGRAM

 System Description

SYSTEM DESCRIPTION HEATED STEERING WHEEL SYSTEM (a) The heated steering wheel system heats the steering wheel assembly when the steering heater switch is operated. (b) The heated steering wheel system

 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use these procedures to troubleshoot the heated steering wheel system. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. INSPECT AUXILIARY

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 Components

COMPONENTS ILLUSTRATION *1 TONNEAU COVER ASSEMBLY - - ILLUSTRATION *1 DECK BOARD ASSEMBLY *2 DECK FLOOR BOX LH *3 NO. 3 DECK BOARD SUB-ASSEMBLY - - ILLUSTRATION *1 NEGATIVE AUXILIARY BATTERY TERMINAL - - N*m (kgf*cm, ft.*lbf): Specified torque -

 Lost Communication with EMV (B1321)

DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Memory B1321 Lost Communication with EMV DTC Detection Condition: IG+ voltage 9.5 to 11.5 V or higher Malfunction Status: Lost communication with radio receiver assembly Malfunction Duration: 30 seconds

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