Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Basic Inspection
CAUTION / NOTICE / HINT
When a malfunction is not confirmed by the DTC check, troubleshooting should be carried out for all circuits considered to be possible causes of the problem. In many cases, by carrying out the basic engine check shown in the following procedure, the location of the problem can be found quickly and efficiently. Therefore, using this check is essential when troubleshooting the engine.
PROCEDURE
| 1. | CHECK BATTERY VOLTAGE |
NOTICE:
Carry out this check with the engine stopped and the engine switch off.
| Result | Proceed to |
|---|---|
| 11 V or higher | OK |
| Below 11 V | NG |
| NG | .gif) | CHARGE OR REPLACE BATTERY |
|
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| 2. | CHECK WHETHER ENGINE CRANKS |
| NG | | PROCEED TO PROBLEM SYMPTOMS TABLE |
|
| 3. | CHECK WHETHER ENGINE STARTS |
| NG | | GO TO STEP 6 |
|
| 4. | CHECK AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY |
(a) Visually check that the air cleaner filter element sub-assembly is not excessively contaminated with dirt or oil.
| NG | | REPLACE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY |
|
| 5. | CHECK IDLE SPEED |
(a) Check the engine idle speed.
Click here .gif)
| NG | | PROCEED TO PAGE AND CONTINUE TO TROUBLESHOOT |
|
| 6. | CHECK FUEL PRESSURE |
(a) Check the fuel pressure.
Click here
| NG | | PROCEED TO PAGE AND CONTINUE TO TROUBLESHOOT |
|
| 7. | CHECK FOR SPARK |
(a) Perform a spark test.
Click here
| OK | | PROCEED TO PROBLEM SYMPTOMS TABLE |
| NG | | PROCEED TO PAGE AND CONTINUE TO TROUBLESHOOT |
Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS HINT: Inspect the vehicle ECM using check mode. Intermittent problems are easier to detect with the Techstream when the ECM is in check mode. In check mode, the ECM use ...
Registration
REGISTRATION CAUTION / NOTICE / HINT PROCEDURE 1. VIN (VEHICLE IDENTIFICATION NUMBER) NOTICE: The Vehicle Identification Number (VIN) must be written to a replacement ECM. HINT: The VIN is a 17-digit ...
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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Lin Communication System: System Description
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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Blind Spot Monitor System: Master Module Horizontal Axis Misalignment (C1AC1)
DESCRIPTION This DTC is stored when the angle of the blind spot monitor sensor LH deviates more than the allowable range from the horizontal axis. HINT:
If a drum tester such as a speedometer tester, brake/speedometer combination tester or chassis dynamometer is used with the blind spot monitor s ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
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- Instrument cluster
- Operation of each component
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- 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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