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 Passenger Side Power Window does not Operate with Front Passenger Side Power Window Switch
DESCRIPTION When the power switch is on (IG), the front power window regulator motor assembly RH is operated by the power window regulator switch assembly. The front power window regulator motor assembly RH has motor, regulator and ECU functions. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
Th
GVIF Disconnected (from Park Assist/Monitoring ECU to EMV/MM Integrated Device) (B1574)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area B1574 GVIF Disconnected (from Park Assist/Monitoring ECU to EMV/MM Integrated Device) GVIF disconnected (from parking assist ECU to multi-display assembly)
Harness or connector (GVIF cable)
Multi-display
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