Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Brake System (C1A50)
DESCRIPTION
When a vehicle stability control system malfunction signal sent from the skid control ECU assembly is detected by the clearance warning ECU assembly, DTC C1A50 is stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1A50 | Brake System | When the engine switch is on (IG), a VSC warning light malfunction signal is detected for 1 second or more. |
|
CAUTION / NOTICE / HINT
NOTICE:
-
After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.
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-
After replacing an ultrasonic sensor or the clearance warning ECU assembly, perform the necessary procedures (adjustment, calibration, initialization or registration).
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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:
- DTC C1A50 is stored when a malfunction signal sent from the vehicle stability control system is detected.
- If the malfunctioning part has been repaired or replaced before rechecking for DTCs, DTC C1A50 will not be output again.
-
If DTC C1A50 is output frequently, duplicate the conditions that cause the problem symptoms and perform the inspection again, even though the DTC was not output when rechecking for DTCs.
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| Result | Proceed to |
|---|---|
| DTC C1A50 is output | A |
| DTC C1A50 is not output | B |
| A | .gif) | GO TO VEHICLE STABILITY CONTROL SYSTEM |
| B | | USE SIMULATION METHOD TO CHECK |
Stop Light Relay Circuit (C1A4B)
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. Detec ...
Steering Angle Midpoint Initial Setting Incomplete (C1AEA)
DESCRIPTION When the clearance warning ECU assembly detects that the steering angle neutral point memorization is incomplete during self diagnosis, C1AEA is stored. DTC No. Detection Item DTC D ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Rear Drive Shaft Assembly: Disassembly
DISASSEMBLY PROCEDURE 1. SEPARATE REAR NO. 2 DRIVE SHAFT INBOARD JOINT BOOT CLAMP (a) Secure the drive shaft in a vise between aluminum plates. NOTICE: Do not overtighten the vise. (b) Using needle-nose pliers, disengage the 2 claws as shown in the illustration and separate the rear No. 2 drive s ...
Lexus RX (RX 350L, RX450h) 2016-2025 Owners Manual > Steps to take in
an emergency: If a warning light turns on
or a warning buzzer
sounds
Calmly perform the following actions if any of the warning lights comes
on or
flashes. If a light comes on or flashes, but then goes off, this does not
necessarily
indicate a malfunction in the system. However, if this continues to occur,
have the vehicle inspected by your Lexus dealer.
Warn ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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