Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the wiper and washer system.
- *: Use the Techstream.
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP |
|
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| 2. | CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK |
|
| 3. | INSPECT BATTERY VOLTAGE |
(a) Measure the 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.
|
| 4. | CHECK CAN COMMUNICATION SYSTEM* |
(a) Check if CAN communication DTCs are output.
Click here .gif)
| Result | Proceed to |
|---|---|
| CAN communication DTCs are not output. | A |
| CAN communication DTCs are output. | B |
| B | .gif) | GO TO CAN COMMUNICATION SYSTEM |
|
| 5. | CHECK FOR DTC* |
(a) Check for DTCs.
Click here
| Result | Proceed to |
|---|---|
| DTCs are not output. | A |
| DTCs are output. | B |
| B | | GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
| 6. | PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
| Result | Proceed to |
|---|---|
| Fault is not listed in Problem Symptoms Table. | A |
| Fault is listed in Problem Symptoms Table. | B |
| B | | GO TO PROBLEM SYMPTOMS TABLE |
|
| 7. | OVERALL ANALYSIS AND TROUBLESHOOTING |
(a) Data List / Active Test
Click here
(b) Terminals of ECU
Click here
(c) Inspection
(d) On-vehicle inspection
|
| 8. | ADJUST, REPAIR OR REPLACE |
|
| 9. | CONFIRMATION TEST |
| NEXT | | END |
System Description
SYSTEM DESCRIPTION FRONT WIPER AND WASHER CONTROL FUNCTION Control/Function Function Description Wiper speed regulation Maintains the default speed of the wipers even when the supply voltag ...
Operation Check
OPERATION CHECK FRONT WIPER MOTOR AND LINK ASSEMBLY INSPECTION (a) Door Open Linked Wiper Suspend Function (1) Continuously apply water to the windshield glass in front of the rain sensor (2) Turn the ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Can Communication System: Open in Bus 2 Main Bus Line
DESCRIPTION There may be an open circuit in one of the bus 2 main lines when the resistance between terminals 18 (CA4H) and 17 (CA4L) of the network gateway ECU is 70 Ω or higher. Symptom Trouble Area Resistance between terminals 18 (CA4H) and 17 (CA4L) of network gateway ECU is 70 Ω or h ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Automatic Transaxle System: Transmission Fluid Temperature Sensor "A" Circuit Short To Ground (P071011)
DESCRIPTION The ATF temperature sensor converts the automatic transaxle fluid (ATF) temperature into a resistance value for use by the ECM. The ECM applies voltage to the temperature sensor through terminal THO1 of the ECM. The sensor resistance changes with the ATF temperature. As the temperature r ...
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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