Lexus NX manuals

Lexus NX: Vehicle Information Unmatched (C168D)

Lexus NX Service Manual / Audio & Visual & Telematics / Park Assist / Monitoring / Panoramic View Monitor System / 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.

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 "!" mark is displayed on the parking assist ECU after the cable is disconnected from the negative (-) auxiliary 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.

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

NEXT

2.

CHECK FOR DTC

(a) Clear the DTCs.

Click here

Chassis > Panoramic View Monitor > Clear DTCs

(b) Check for DTCs.

Click here

Chassis > Panoramic View Monitor > 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.
OK

END (SETTINGS ARE DEFECTIVE)
NG

3.

READ VALUE USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

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

(c) Turn the Techstream on.

(d) Enter the following menus: Chassis / Panoramic View Monitor / Data List.

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

Chassis > Panoramic View Monitor > 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 > Panoramic View Monitor > 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
A

ADJUST PANORAMIC VIEW MONITOR SYSTEM DISPLAY SETTING

B

REPLACE PARKING ASSIST ECU

READ NEXT:

 Steering Angle Initialization Incomplete (C1694)

DESCRIPTION This DTC is stored when the parking assist ECU judges that the maximum steering angle has not been memorized (steering angle setting is incomplete). DTC No. Detection Item DTC Detec

 Camera Position Adjustment Incomplete (C1697)

DESCRIPTION This DTC is stored when the parking assist ECU judges that the camera initial setting has not been memorized (camera view adjustment is incomplete). DTC No. Detection Item DTC Detec

 Front Camera Internal Circuit (C2A60)

DESCRIPTION This DTC is stored when the parking assist ECU detects a signal indicating a malfunction in the front television camera assembly via CAN communication. DTC No. Detection Item DTC De

SEE MORE:

 Removal

REMOVAL PROCEDURE 1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM Click here 2. REMOVE AIR CONDITIONER PRESSURE SENSOR (a) Disconnect the connector. (b) Using a 27 mm deep socket wrench, remove the air conditioner pressure sensor. NOTICE: Seal the openings of the removed parts

 System Diagram

SYSTEM DIAGRAM Component Outline Power switch Transponder key amplifier Turns on the power and starts the hybrid control system. Contains a built-in transponder key amplifier to start the hybrid control system when the electrical key transmitter sub-assembly does not operate

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