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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Terminals Of Ecu
TERMINALS OF ECU HINT: Perform the inspection from the harness side with the connectors connected. STEERING HEATER AND VIBRATION ECU (a) Measure the voltage or resistance according to the value(s) in
Fail-safe Chart
FAIL-SAFE CHART MALFUNCTION DETECTION (a) Operation when malfunction is detected Content Operation Heater failure Overcurrent detection of drive element Heater output off Overheating
Steering Wheel does not Heat Up When Heated Steering Wheel Switch is Pressed
DESCRIPTION Click here WIRING DIAGRAM Click here CAUTION / NOTICE / HINT HINT:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
The
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Front Airbag Sensor (LH) (B1615)
DESCRIPTION The front airbag sensor LH consists of a diagnostic circuit and frontal deceleration sensor, etc. If the airbag ECU assembly receives signals from the frontal deceleration sensor, it determines whether the SRS should be activated. DTC B1615 is stored when a malfunction is detected in the
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART LIN Communication System DTC No. Detection Item Link B1206 P/W Master Switch Communication Stop B1273 Sliding Roof ECU Communication Stop B2321 Driver Side Door ECU Communication Stop B2322 Front Passenger Side Door ECU Comm
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