| Last Modified: 11-20-2023 | 6.11:8.1.0 | Doc ID: RM100000001T5GV |
| Model Year Start: 2021 | Model: Camry HV | Prod Date Range: [10/2020 - ] |
| Title: PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: C1AE787; Ultrasonic Sensor (Rear Left Center) Missing Message; 2021 - 2024 MY Camry HV [10/2020 - ] | ||
|
DTC |
C1AE787 |
Ultrasonic Sensor (Rear Left Center) Missing Message |
DESCRIPTION
This DTC is stored when an open circuit or short occurs in the communication line between the rear center ultrasonic sensor LH and the rear center ultrasonic sensor RH, or when a malfunction occurs in the rear center ultrasonic sensor LH.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
C1AE787 |
Ultrasonic Sensor (Rear Left Center) Missing Message |
Rear center ultrasonic sensor LH lost communication |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
-
Perform registration after replacing or removing and installing the ultrasonic sensor or clearance warning ECU assembly.
Click here
![2021 - 2024 MY Camry HV [10/2020 - ]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: CALIBRATION](/t3Portal/stylegraphics/info.gif)
-
If a DTC is detected again after the repair, turn the ignition switch to ON and turn the intuitive parking assist system on, and then clear the DTC.
Click here
-
If C1AE896 is output at the same time, check C1AE896 first.
Click here
PROCEDURE
|
1. |
VEHICLE CONDITION AND WORK DETAILS CHECK |
(a) Check the vehicle condition and work details.
|
Result |
Proceed to |
|---|---|
|
The clearance warning ECU assembly or ultrasonic sensor has not been replaced |
A |
|
The clearance warning ECU assembly or ultrasonic sensor has been replaced |
B |
| B |
|
|
|
2. |
CHECK CONNECTOR CONNECTION CONDITION (ULTRASONIC SENSOR) |
(a) Check that the connector is properly connected to the rear corner ultrasonic sensor and rear center ultrasonic sensor.
|
|
3. |
CHECK FOR DTC |
(a) According to the display on the GTS, check for DTCs.
Body Electrical > Clearance Warning > Trouble Codes
(b) According to the display on the GTS, clear the DTCs.
Body Electrical > Clearance Warning > Clear DTCs
(c) Recheck for DTCs.
Body Electrical > Clearance Warning > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
C1AE787 is not output |
A |
|
C1AE787 is output |
B |
| A |
|
END (CONNECTOR CONNECTION MALFUNCTION) |
|
|
4. |
CHECK CONNECTOR CONNECTION CONDITION (CLEARANCE WARNING ECU ASSEMBLY) |
(a) Check that the connector is properly connected to the clearance warning ECU assembly.
|
|
5. |
CHECK FOR DTC |
(a) According to the display on the GTS, check for DTCs.
Body Electrical > Clearance Warning > Trouble Codes
(b) According to the display on the GTS, clear the DTCs.
Body Electrical > Clearance Warning > Clear DTCs
(c) Recheck for DTCs.
Body Electrical > Clearance Warning > Trouble Codes
DTC OUTPUT COMBINATION:
|
Symptoms |
DTC Detection |
|||
|---|---|---|---|---|
|
C1AE987 |
C1AE887 |
C1AE787 |
C1AE687 |
|
|
Symptom 1 |
Not output |
Not output |
Not output |
Not output |
|
Symptom 2 |
Output |
Output |
Output |
Output |
|
Symptom 3 |
Not output |
Output |
Output |
Output |
|
Symptom 4 |
Not output |
Not output |
Output |
Output |
|
Symptom 5 |
Not output |
Not output |
Not output |
Output |
|
Symptom 6 |
Not output |
Not output |
Output |
Not output |
|
Result |
Proceed to |
|---|---|
|
Listed under symptom 1 in combination table |
A |
|
Listed under symptom 2 in combination table |
B |
|
Listed under symptom 3 in combination table |
C |
|
Listed under symptom 4 in combination table |
D |
|
Listed under symptom 5 in combination table |
E |
|
Listed under symptom 6 in combination table |
F |
| A |
|
USE SIMULATION METHOD TO CHECK
|
| B |
|
GO TO CORRESPONDING FLOWCHART (INTUITIVE PARKING ASSIST SYSTEM (C1AE987)) |
| C |
|
GO TO CORRESPONDING FLOWCHART (INTUITIVE PARKING ASSIST SYSTEM (C1AE887)) |
| E |
|
GO TO CORRESPONDING FLOWCHART (INTUITIVE PARKING ASSIST SYSTEM [C1AE687]) |
| F |
|
|
|
6. |
CHECK WIRE HARNESS AND CONNECTOR (REAR CENTER ULTRASONIC SENSOR RH - REAR CENTER ULTRASONIC SENSOR LH) |
(a) Disconnect the X6 rear center ultrasonic sensor RH connector.
(b) Disconnect the X7 rear center ultrasonic sensor LH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
X6-1 (BO) - X7-4 (BI) |
Always |
Below 1 Ω |
|
X6-2 (SO) - X7-5 (SI) |
Always |
Below 1 Ω |
|
X6-3 (EO) - X7-6 (EI) |
Always |
Below 1 Ω |
|
X6-1 (BO) or X7-4 (BI) - Body ground |
Always |
10 kΩ or higher |
|
X6-2 (SO) or X7-5 (SI) - Body ground |
Always |
10 kΩ or higher |
|
X6-3 (EO) or X7-6 (EI) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE WIRE HARNESS OR CONNECTOR |
|
|
7. |
REPLACE REAR CENTER ULTRASONIC SENSOR LH |
(a) Replace the rear center ultrasonic sensor LH with a known good one.
Click here
HINT:
All of the sensors are interchangeable. To confirm whether a sensor is functioning normally, switch it with a known good sensor from the other end of the vehicle.
|
|
8. |
CHECK FOR DTC |
(a) According to the display on the GTS, check for DTCs.
Body Electrical > Clearance Warning > Trouble Codes
(b) According to the display on the GTS, clear the DTCs.
Body Electrical > Clearance Warning > Clear DTCs
(c) Recheck for DTCs.
Body Electrical > Clearance Warning > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
No DTC is output |
A |
|
"C1AE787" is output |
B |
| A |
|
END (REAR CENTER ULTRASONIC SENSOR LH WAS DEFECTIVE) |
| B |
|
|
|