DESCRIPTION
The occupant detection ECU sends/receives signals to/from each ECU via CAN communication.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
U0125 |
Lost Communication with Multi-axis Acceleration Sensor Module |
CAN communication error between the occupant detection ECU and acceleration sensor (CAN communication system malfunction) |
CAN communication system |
|
U0129 |
Lost Communication with Brake System Control Module |
CAN communication error between the occupant detection ECU and skid control ECU (CAN communication system malfunction) |
CAN communication system |
CAUTION / NOTICE / HINT
Refer to troubleshooting in CAN Communication System.
Click here
PROCEDURE
|
1. |
GO TO CAN COMMUNICATION SYSTEM |
(a) Go to CAN communication system.
Click here
| NEXT | |
END |
Rear Occupant Classification Sensor LH Circuit Malfunction (B1782)
Front Occupant Classification Sensor LH Circuit Malfunction (B1780)Toyota CH-R Service Manual > Immobiliser System(w/o Smart Key System): Transponder Chip Malfunction (B2793,B2794,B2797,B2798)
DESCRIPTION
DTC B2793 is stored when a malfunction is found in the key during key
ID code registration or a key ID code is not registered normally. Replace
the key if key ID code registration cannot be performed normally and this
DTC is output.
DTC B2794 is stored when a key ...
Toyota CH-R Service Manual > Can Communication System: Open in One Side of Bus 4 Branch Line
DESCRIPTION
When the CAN bus main lines are normal (no open, short to ground, short to +B
or short between lines) and there is an ECU or sensor on the "Communication Bus
Check" screen that is indicated as not communicating or whose connection status
on the "Communication Bus Ch ...