Lexus RX (RX 350L, RX450h) 2016-2025 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) 2016-2025 Repair Manual > Dynamic Torque Control Awd System: Low or High Power Supply Voltage (C1241)
DESCRIPTION If a malfunction in the power source circuit occurs, or a communication malfunction with the skid control ECU (brake actuator assembly) or speed sensor occurs, the 4WD ECU assembly prohibits operation. DTC No. Detection Item DTC Detection Condition Trouble Area C1241 Low o ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Vacuum Warning Switch: Removal
REMOVAL PROCEDURE 1. REMOVE FRONT WIPER MOTOR AND LINK ASSEMBLY Click here 2. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY Click here 3. REMOVE VACUUM WARNING SWITCH ASSEMBLY (for TMC Made) (a) Disconnect the connector from the vacuum warning switch assembly. (b) Remove the vacuum w ...
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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