Lexus NX: Problem Symptoms Table

Lexus NX Service Manual / Steering / Steering Column / Heated Steering Wheel 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 suspected areas in the order they are listed. Replace parts as necessary.

Heated Steering Wheel System

Symptom	Suspected Area	Link
Steering wheel does not heat up when heated steering wheel switch is pressed	Refer to "Steering wheel does not heat up when heated steering wheel switch is pressed"

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Drive Motor "A" Control Module (P0A1B-505,P0A1B-806)

DTC SUMMARY MALFUNCTION DESCRIPTION These DTCs indicate that a large current flowed in the inverter for the motor. The cause of this malfunction may be one of the following: Internal inverter malfunction Internal circuit malfunction in the inverter for the motor Malfunction in ECU that controls

Removal

REMOVAL CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the parts may injure your hands. PROCEDURE 1. REMOVE TONNEAU COVER ASSEMBLY Click here 2. REMOVE DECK BOARD ASSEMBLY Click here 3. REMOVE BENCH TYPE REAR SEAT CUSHION ASSEMBLY (a) Lift the front end of the rear

Lexus NX: Problem Symptoms Table

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Terminals Of Ecu

Fail-safe Chart

Steering Wheel does not Heat Up When Heated Steering Wheel Switch is Pressed

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Drive Motor "A" Control Module (P0A1B-505,P0A1B-806)

Removal