Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: 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 |
|
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| 2. | INSPECT BATTERY VOLTAGE |
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
|
| 3. | PROBLEM SYMPTOMS TABLE |
| Result | Proceed to |
|---|---|
| Fault is not listed in problem symptoms table. | A |
| Fault is listed in problem symptoms table. | B |
| B | .gif) | GO TO STEP 5 |
|
| 4. | OVERALL ANALYSIS AND TROUBLESHOOTING |
(a) Terminals of ECU
Click here .gif)
|
| 5. | REPAIR OR REPLACE |
|
| 6. | CONFIRMATION TEST |
| NEXT | | END |
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 ...
Parts Location
PARTS LOCATION ILLUSTRATION *1 SPIRAL CABLE SUB-ASSEMBLY *2 STEERING HEATER SWITCH (INTEGRATION CONTROL AND PANEL ASSEMBLY) *3 STEERING WHEEL ASSEMBLY - STEERING WHEEL HEATER UNIT *4 ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Luggage Speaker(w/ Rear No. 2 Seat): Components
COMPONENTS ILLUSTRATION *1 DECK BOARD ASSEMBLY *2 NO. 1 DECK BOARD *3 REAR NO. 4 FLOOR BOARD *4 TONNEAU COVER ASSEMBLY ILLUSTRATION *1 DECK SIDE TRIM BOX LH *2 FRONT DECK FLOOR BOX *3 REAR DECK FLOOR BOX *4 REAR FLOOR FINISH PLATE *5 REAR NO. 2 SEAT A ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Heated Steering Wheel Controller: Installation
INSTALLATION PROCEDURE 1. INSTALL STEERING VIBRATION AND HEATER ECU (a) Connect the connector to the steering vibration and heater ECU. (b) Install the steering vibration and heater ECU to the lower steering wheel boss cover with the 2 screws. NOTICE: If the heater thermistor comes off the lower ste ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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