Toyota CH-R Service Manual: Occupant Classification System
- Parts Location
- Precaution
- System Diagram
- How To Proceed With Troubleshooting
- System Description
- Initialization
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Fail-safe Chart
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Front Occupant Classification Sensor LH Collision Detection (B1785)
- Occupant Classification ECU Malfunction (B1795)
- Yaw Rate Sensor Module Malfunction (B1798,B1799)
- Rear Occupant Classification Sensor LH Collision Detection (B1787)
- Rear Occupant Classification Sensor LH Circuit Malfunction (B1782)
- Lost Communication with Multi-axis Acceleration Sensor Module (U0125,U0129)
- Front Occupant Classification Sensor LH Circuit Malfunction (B1780)
- Passenger Side Buckle Switch Circuit Malfunction (B1771)
- Trouble in Passenger Airbag ON/OFF Indicator
Installation
INSTALLATION
PROCEDURE
1. INSTALL OCCUPANT DETECTION ECU
(a) Engage the claw to install the occupant detection ECU.
NOTICE:
If the occupant detection ECU has been dropped, or there ...
Parts Location
PARTS LOCATION
ILLUSTRATION
*1
FRONT SEAT INNER BELT ASSEMBLY RH
*2
AIRBAG SENSOR ASSEMBLY
*3
OCCUPANT DETECTION ECU
...
Other materials:
Toyota CH-R Service Manual > Lighting System: Headlamp LH Circuit (B2439,B243A)
DESCRIPTION
A DTC is stored when the headlight ECU sub-assembly receives a light source malfunction
signal from its respective headlight unit. The headlight ECU sub-assembly LH stores
DTC B2439 or B243A.
DTC No.
Detection Item
DTC Detection Condition
...
Toyota CH-R Service Manual > Lighting System: Ambient Illumination Light Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) controls the ambient illumination
lights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the lights for circuits related to this system before performing
the following procedure.
Before replacing the main ECU ...
Toyota C-HR (AX20) 2023-2026 Owner's Manual
Toyota CH-R Owners Manual
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
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
- Steering Gear / Linkage
- Alignment / Handling Diagnosis
- Front Suspension
- Rear Suspension
- Tire / Wheel
- Tire Pressure Monitoring
- Door / Hatch
- Exterior Panels / Trim
- Horn
- Lighting (ext)
- Mirror (ext)
- Window / Glass
- Wiper / Washer
- Door Lock
- Heating / Air Conditioning
- Interior Panels / Trim
- 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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