- CAN communication system
- Main body ECU
- Blind spot monitor sensor RH
- Blind spot monitor sensor LH
| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM1000000019814 |
| Model Year Start: 2018 | Model: Sienna | Prod Date Range: [11/2017 - ] |
| Title: PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1AB8; Destination Information Undefined; 2018 - 2020 MY Sienna [11/2017 - ] | ||
|
DTC |
C1AB8 |
Destination Information Undefined |
DESCRIPTION
This DTC is stored when correct destination information is not sent from the main body ECU and destination information cannot be confirmed after a blind spot monitor has been replaced.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C1AB8 |
The blind spot monitor sensor cannot communicate with the main body ECU. |
|
CAUTION / NOTICE / HINT
NOTICE:
When checking for DTCs, make sure that the blind spot monitor system is on.
PROCEDURE
|
1. |
CHECK DTC (CAN COMMUNICATION SYSTEM) |
(a) Check for DTCs of the CAN communication system (See page
![2018 MY Sienna [11/2017 - 08/2018]; NETWORKING: CAN COMMUNICATION SYSTEM: DIAGNOSIS SYSTEM](/t3Portal/stylegraphics/info.gif)
).
OK:
CAN communication system DTCs are not output.
| NG |
|
GO TO CAN COMMUNICATION SYSTEM (See page
|
|
|
2. |
REPLACE MAIN BODY ECU |
(a) Replace the main body ECU (See page
).
|
|
3. |
RECHECK DTC |
(a) Recheck for DTCs and check if the same DTC is output again (See page
).
Result
|
Result |
Proceed to |
|---|---|
|
No DTC is output |
A |
|
DTC is output from the blind spot monitor Master |
B |
|
DTC is output from the blind spot monitor Slave |
C |
| A |
|
END (MAIN BODY ECU WAS DEFECTIVE) |
| B |
|
| C |
|
|
|