Lexus ES: Vehicle Information Unmatched (C168D)

Lexus ES (XZ10) Service Manual / Audio & Visual & Telematics / Park Assist / Monitoring / Panoramic View Monitor System (for Gasoline Model) / Vehicle Information Unmatched (C168D)

DESCRIPTION

This DTC is stored if the parking assist ECU judges as a result of its self check that the vehicle information received via CAN communication and the vehicle information stored in the parking assist ECU do not match.
This DTC is stored if the rear television camera assembly judges as a result of its self check that the vehicle information received via CAN communication and the vehicle information stored in the parking assist ECU do not match.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
C168D	Vehicle Information Unmatched	Vehicle information unmatched	Camera view adjustment (calibration) Steering angle setting Parking assist ECU

CAUTION / NOTICE / HINT

NOTICE:

When "!" is displayed on the multi-display assembly after the cable is disconnected from the negative (-) battery terminal, correct the steering angle neutral point.
Click here
Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the panoramic view monitor system may be needed.
Click here

PROCEDURE

1.	CHECK DTC OUTPUT

(a) Recheck for DTCs and check that no DTCs are output.

Chassis > Circumference Monitoring Camera Control Module > Trouble Codes Chassis > Rear Camera > Trouble Codes

Result	Proceed to
DTC C168D is output ("Parking Assist Camera")	A
DTC C168D is output ("Panoramic View Monitor")	B

GO TO STEP 4

2.	PERFORM SETTINGS (BACK CAMERA POSITION SETTING, STEERING ANGLE SETTING)

(a) Perform the following procedure depending on the memory conditions to register the vehicle information into the rear television camera assembly.

(1) Refer to rear television camera assembly optical axis adjustment (back camera position setting).

Click here

(2) Refer to steering angle setting.

Click here

3.	CHECK DTC OUTPUT

(a) Clear the DTCs.

Chassis > Rear Camera > Clear DTCs

(b) Recheck for DTCs and check that no DTCs are output.

Chassis > Rear Camera > Trouble Codes

HINT:

If DTC C168D is output, perform the procedure to register the vehicle information into the rear television camera assembly.
If DTC C168D is still output after performing the procedure to register the vehicle information into the rear television camera assembly 3 times, replace the rear television camera assembly.

Result	Proceed to
DTC C168D is output	A
DTC C168D is not output	B

REPLACE REAR TELEVISION CAMERA ASSEMBLY

END

4.	PERFORM SETTINGS (CAMERA VIEW ADJUSTMENT [CALIBRATION], STEERING ANGLE SETTING)

(a) Perform the following procedure depending on the memory conditions to register the vehicle information to the parking assist ECU.

(1) Refer to camera view adjustment (calibration).

Click here

(2) Refer to steering angle setting.

Click here

5.	CHECK FOR DTC

(a) Clear the DTCs.

Chassis > Circumference Monitoring Camera Control Module > Clear DTCs

(b) Check for DTCs.

Chassis > Circumference Monitoring Camera Control Module > Trouble Codes

OK:

DTC C168D is not output.

HINT:

If DTC C168D is output, perform the procedure to allow the parking assist ECU to store the vehicle information again.
If DTC C168D is still output after performing the procedure to make the parking assist ECU store the vehicle information 3 times, replace the parking assist ECU.

END (SETTINGS ARE DEFECTIVE)

6.	READ VALUE USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(d) Enter the following menus: Chassis / Circumference Monitoring Camera Control Module / Data List.

(e) Read the Data List according to the display on the Techstream.

Chassis > Circumference Monitoring Camera Control Module > Data List

Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
Back Camera Availability Consistency	Status of ECU stored in rear television camera assembly	OK/NG	OK: Normal NG: Rear television camera assembly or parking assist ECU is abnormal	-
Side Camera LH Availability Consistency	Status of ECU stored in side television camera assembly LH	OK/NG	OK: Normal NG: Side television camera assembly LH or parking assist ECU is abnormal	-
Front Camera Availability Consistency	Status of ECU stored in front television camera assembly	OK/NG	OK: Normal NG: Front television camera assembly or parking assist ECU is abnormal	-
Side Camera RH Availability Consistency	Status of ECU stored side television camera assembly RH	OK/NG	OK: Normal NG: Side television camera assembly RH or parking assist ECU is abnormal	-

Chassis > Circumference Monitoring Camera Control Module > Data List

Tester Display
Back Camera Availability Consistency
Side Camera LH Availability Consistency
Front Camera Availability Consistency
Side Camera RH Availability Consistency

Result	Proceed to
"NG" is displayed for any of the following items: Back Camera Availability Consistency Side Camera LH Availability Consistency Front Camera Availability Consistency Side Camera RH Availability Consistency	A
"OK" is displayed for all items.	B

ADJUST PANORAMIC VIEW MONITOR SYSTEM DISPLAY SETTING

REPLACE PARKING ASSIST ECU

SEE MORE:

Components

COMPONENTS ILLUSTRATION *A for A25A-FXS *B for 2GR-FKS *1 REAR FLOOR SIDE MEMBER COVER *2 REAR NO. 1 FLOOR BOARD *3 SUSPENSION TOWER DAMPER - - N*m (kgf*cm, ft.*lbf): Specified torque * For use with a union nut wrench

Fail-safe Chart

FAIL-SAFE CHART FAIL-SAFE CHART Dynamic Torque Control AWD System DTC No. Trouble Area AWD Warning Message Fail-safe Operation Memory Fail-safe Deactivation Condition C120C Linear Solenoid Power Supply System Malfunction Displayed Prohibited Yes Engine switch off C1241

Lexus ES: Vehicle Information Unmatched (C168D)

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SEE MORE:

Components

Fail-safe Chart