DESCRIPTION
When a stop light relay circuit malfunction signal sent from the vehicle stability control system is detected by the clearance warning ECU assembly, DTC C1A4B is stored.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
C1A4B | Stop Light Relay Circuit | Stop light relay circuit malfunction | Vehicle stability control system |
CAUTION / NOTICE / HINT
NOTICE:
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PROCEDURE
1. | CHECK DTC OUTPUT |
(a) Using the Techstream, check for DTCs according to the prompts on the screen.
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HINT:
After turning the engine switch from off to on (IG), wait 4 seconds or more before checking for DTCs.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes(b) Clear the DTCs according to the screen on the Techstream.
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(c) Recheck for DTCs.
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HINT:
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Result | Proceed to |
---|---|
DTC C1A4B is output | A |
DTC C1A4B is not output | B |
A | ![]() | GO TO PRE-COLLISION SYSTEM |
B | ![]() | USE SIMULATION METHOD TO CHECK |
Lexus RX (RX 350L, RX450h) 2016-2025 Owners Manual > Do-it-yourself
maintenance: Light bulbs
You may replace the following bulbs by yourself. The difficulty level
of replacement
varies depending on the bulb. If necessary bulb replacement seems difficult
to perform, contact your Lexus dealer.
For more information about replacing other light bulbs, contact your Lexus
dealer.
Preparin ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Lighting (int): Vanity Light Bulb
ReplacementREPLACEMENT CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. SEPARATE VANITY LIGHT ASSEMBLY (a) Using a moulding remover, disengage the claw to separate the vanity light assembly. ...