Toyota CH-R Service Manual: Lost Communication with Multi-axis Acceleration Sensor Module (U0125,U0129)
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 .gif)
PROCEDURE
|
1. |
GO TO CAN COMMUNICATION SYSTEM |
(a) Go to CAN communication system.
Click here
| NEXT | .gif) |
END |
Rear Occupant Classification Sensor LH Circuit Malfunction (B1782)
DESCRIPTION
The rear occupant classification sensor LH circuit consists of the occupant detection
ECU and rear in weight detection sensor sub-assembly.
DTC B1782 is stored when a malfunction is de ...
Front Occupant Classification Sensor LH Circuit Malfunction (B1780)
DESCRIPTION
The front occupant classification sensor LH circuit consists of the occupant
detection ECU and front in weight detection sensor sub-assembly.
DTC B1780 is stored when a malfunction is ...
Other materials:
Toyota CH-R Service Manual > Steering Lock System: System Diagram
SYSTEM DIAGRAM
Circuit Description
Component
Outline
Steering Lock ECU (Steering Lock Actuator or Upper Bracket Assembly)
The steering is locked and unlocked by communicating with the
certification ECU (smart key ECU assembly) and ...
Toyota CH-R Service Manual > Smart Key System(for Start Function): Power Source Mode does not Change to ON (ACC)
DESCRIPTION
If the engine switch is pressed with the electrical key transmitter sub-assembly
in the cabin, the certification ECU (smart key ECU assembly) receives a signal and
changes the power source mode.
Related Data List and Active Test Items
Problem Symptom
Data Lis ...
Toyota CH-R Owners Manual
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- Instrument cluster
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Toyota CH-R Service Manual
- Introduction
- Maintenance
- Audio / Video
- Cellular Communication
- Navigation / Multi Info Display
- Park Assist / Monitoring
- Brake (front)
- Brake (rear)
- Brake Control / Dynamic Control Systems
- Brake System (other)
- Parking Brake
- Axle And Differential
- Drive Shaft / Propeller Shaft
- K114 Cvt
- 3zr-fae Battery / Charging
- Networking
- Power Distribution
- Power Assist Systems
- Steering Column
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- Front Suspension
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- Tire / Wheel
- Tire Pressure Monitoring
- Door / Hatch
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- Horn
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- Mirror (ext)
- Window / Glass
- Wiper / Washer
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- Heating / Air Conditioning
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- Lighting (int)
- Meter / Gauge / Display
- Mirror (int)
- Power Outlets (int)
- Pre-collision
- Seat
- Seat Belt
- Supplemental Restraint Systems
- Theft Deterrent / Keyless Entry
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