Lexus ES: ENG / EHV Device (C1A40)
DESCRIPTION
When a SFI 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 on (IG), a SFI system 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.
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.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs(c) Recheck for DTCs.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble CodesHINT:
- DTC C1A40 is stored when a malfunction signal sent from the EFI system is detected.
- If the malfunctioning part has been repaired or replaced before rechecking for DTCs, DTC C1A40 will not be output again.
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If DTC C1A40 is output frequently, duplicate the conditions that cause the problem symptoms and perform troubleshooting again, even though the DTC was not output when rechecking for DTCs.
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| Result | Proceed to |
|---|---|
| DTC C1A40 is output | A |
| DTC C1A40 is not output | B |
| A | .gif) | GO TO EFI SYSTEM (for Gasoline Model) or GO TO HYBRID CONTROL SYSTEM (for HV Model) |
| B | | USE SIMULATION METHOD TO CHECK |
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Brake System (C1A50)
DESCRIPTION When an electronically controlled brake system malfunction signal sent from the skid control ECU is detected by the clearance warning ECU assembly, DTC C1A50 is stored. DTC No. Detect
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
ICS Detection Area Adjustment Incomplete (C1AF0)
DESCRIPTION When ICS detection area adjustment is incomplete, the clearance warning ECU assembly stores DTC C1AF0. DTC No. Detection Item DTC Detection Condition Trouble Area C1AF0 ICS
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Installation
INSTALLATION PROCEDURE 1. INSTALL ACCELERATOR PEDAL ASSEMBLY (a) Engage the claw to install the accelerator pedal assembly. (b) Install the 2 bolts. Torque: 7.5 N·m {76 kgf·cm, 66 in·lbf} 2. INSTALL ACCELERATOR PEDAL PAD (a) Engage the 4 claws to install the accelerator pedal pad
Installation
INSTALLATION 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. INSTALL HEADLIGHT ASSEMBLY Click here 2. INSTALL FRONT FENDER SPLASH SHIELD SUB-ASSEMBLY Click here 3. INSTALL COWL TOP PANEL INSULATOR
