Lexus ES manuals

Lexus ES: Vehicle Information Unmatched (C168D)

Lexus ES (XZ10) Service Manual / Audio & Visual & Telematics / Park Assist / Monitoring / Parking Support Alert System (for Gasoline Model) / Vehicle Information Unmatched (C168D)

DESCRIPTION

If the vehicle information stored in the main body ECU (multiplex network body ECU) which is sent via CAN communication during the clearance warning ECU assembly self-diagnosis does not match that of clearance warning ECU assembly, DTC C168D is stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C168D

Vehicle Information Unmatched

Vehicle information does not match
  • Steering sensor steering angle neutral point memorization incomplete
  • Clearance warning ECU assembly

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.

    Click here

  • After replacing an ultrasonic sensor or the clearance warning ECU assembly, perform the necessary procedures (adjustment, calibration, initialization or registration).

    Click here

  • When continuing with the inspection, confirm that the necessary procedures (adjustment, calibration, initialization or registration) have been completed before proceeding.

PROCEDURE

1.

REGISTER VEHICLE INFORMATION

(a) Perform the following procedure to register the vehicle information.

Click here

NEXT

2.

CHECK FOR DTC

(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 Codes

HINT:

If DTC C168D is still output after registering the vehicle information 3 times, replace the clearance warning ECU assembly.

Result

Proceed to

DTC C168D is output

A

DTC C168D is not output

B
A

REPLACE CLEARANCE WARNING ECU ASSEMBLY

B

USE SIMULATION METHOD TO CHECK

READ NEXT:

 ECU Malfunction (C1611)

DESCRIPTION If the clearance warning ECU assembly detects an internal malfunction during self-diagnosis, DTC C1611 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C

 Calibration

CALIBRATION NOTICE: When any of the following parts have been replaced, perform adjustment shown in the following table. If not, the parking support alert system may not operate correctly. ADJUST PARK

 Clearance Warning ECU Power Source Circuit

DESCRIPTION This circuit provides power to operate the clearance warning ECU assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before perf

SEE MORE:

 Reassembly

REASSEMBLY PROCEDURE 1. INSTALL HOOD STAY BRACKET LH Click here 2. INSTALL HOOD STAY BRACKET RH HINT: Use the same procedure as for the LH side. 3. INSTALL HOOD SUPPORT ASSEMBLY LH Click here 4. INSTALL HOOD SUPPORT ASSEMBLY RH HINT: Use the same procedure as for the LH side. 5. CONNECT WASHER H

 Portable Player cannot be Connected Manually/Automatically

CAUTION / NOTICE / HINT HINT: Some versions of "Bluetooth" compatible audio players may not function properly, or the functions may be limited using the radio receiver assembly, even if the portable audio player itself can play files. Click here PROCEDURE 1. CHECK CONNECTED DEVICE SETTINGS

© 2016-2025 Copyright www.lexguide.net