DESCRIPTION
When an EFI system malfunction signal sent by the ECM is detected by the clearance warning ECU assembly, DTC C1A40 is stored.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
C1A40 | ENG / EHV Device | When the engine switch is on (IG), an EFI system malfunction signal is detected for 1 second or more. |
|
CAUTION / NOTICE / HINT
NOTICE:
Click here
Click here
PROCEDURE
1. | CHECK DTC OUTPUT |
(a) Using the Techstream, check for DTCs according to the prompts on the screen.
Click here
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.
Click here
(c) Recheck for DTCs.
Click here
HINT:
Click here
Result | Proceed to |
---|---|
DTC C1A40 is output | A |
DTC C1A40 is not output | B |
A | ![]() | GO TO EFI SYSTEM |
B | ![]() | USE SIMULATION METHOD TO CHECK |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Lighting System: Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System Intelligent Clear ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Vacuum Pump: Components
COMPONENTS ILLUSTRATION *1 AIR CLEANER BRACKET *2 AIR CLEANER CASE SUB-ASSEMBLY *3 AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY *4 COOL AIR INTAKE DUCT SEAL *5 INLET AIR CLEANER ASSEMBLY *6 V-BANK COVER SUB-ASSEMBLY N*m (kgf*cm, ft.*lbf): Specified torque - - I ...