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 > Can Communication System: Open in Bus 5 Main Bus Line
DESCRIPTION
There may be an open circuit in one of the CAN main bus lines when the resistance
between terminals 15 (CA5H) and 16 (CA5L) of the central gateway ECU (network gateway
ECU) is 70 Ω or higher.
Symptom
Trouble Area
Resistance between terminals ...
Toyota CH-R Service Manual > Lighting System: Low Beam Headlight Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) controls the low beam headlights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses and bulbs for circuits related to this system before
performing the following procedure.
Before replacing the main body ...
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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