Lexus ES: 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 |
|
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
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-
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 |
| 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 CodesHINT:
- 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 |
| A | | REPLACE REAR TELEVISION CAMERA ASSEMBLY |
| B | | 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 CodesOK:
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) |
|
| 6. | READ VALUE USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(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 | - |
| 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:
| A |
| "OK" is displayed for all items. | B |
| A | | ADJUST PANORAMIC VIEW MONITOR SYSTEM DISPLAY SETTING |
| B | | REPLACE PARKING ASSIST ECU |
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