Toyota CH-R Service Manual: Theft Deterrent / Keyless Entry
Toyota CH-R Service Manual / Theft Deterrent / Keyless Entry
- Certification Ecu
- Electrical Key Oscillator(for Front Floor)
- Electrical Key Oscillator(for Luggage Compartment)
- Electrical Key Oscillator(for Outside Luggage Compartment)
- Electrical Key Oscillator(for Rear Floor)
- Engine Hood Courtesy Switch
- Id Code Box
- Immobiliser System(w/ Smart Key System)
- Precaution
- Parts Location
- System Description
- System Diagram
- How To Proceed With Troubleshooting
- Problem Symptoms Table
- Registration
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Engine Starter Communication Malfunction (B2779)
- ID BOX EEPROM Malfunction (B2790)
- Short to GND in Immobiliser System Power Source Circuit (B278A)
- Antenna Coil Open / Short (B2784)
- Theft Deterrent System Communication Line High Fixation (B279A)
- Theft Deterrent System Presence Detection (B279C)
- Engine Immobiliser System Malfunction (B2799)
- Immobiliser System does not Operate Properly
- Security Indicator Light Does not Blink
- Immobiliser System(w/o Smart Key System)
- Parts Location
- Precaution
- System Diagram
- How To Proceed With Troubleshooting
- System Description
- Problem Symptoms Table
- Registration
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Data List / Active Test
- Theft Deterrent System Presence Detection (B279C)
- Diagnostic Trouble Code Chart
- Theft Deterrent System Communication Line High Fixation (B279A)
- Engine Immobiliser System Malfunction (B2799)
- No Communication in Immobiliser System (B2796)
- Transponder Chip Malfunction (B2793,B2794,B2797,B2798)
- Unmatched Key Code (B2795)
- Push Switch / Key Unlock Warning Switch Malfunction (B2780)
- Antenna Coil Open / Short (B2784)
- Engine does not Start because No Initial Combustion
- Engine does not Start but Initial Combustion Occurs
- Key Cannot be Registered
- Security Indicator Light Does not Blink
- Relay
- Security Horn Assembly
- Smart Key System(for Entry Function)
- Precaution
- Parts Location
- System Diagram
- How To Proceed With Troubleshooting
- System Description
- Operation Check
- Customize Parameters
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Operation History List
- Open in Front Floor Electrical Key Oscillator Circuit (B27A5)
- Open in Driver Side Electrical Antenna Circuit (B27A1)
- Open in Inside Luggage Compartment Electrical Key Oscillator Circuit (B27A7)
- Open in Front Passenger Side Electrical Antenna Circuit (B27A2)
- Open in Outside Luggage Compartment Electrical Key Antenna Circuit (B27A8)
- All Door Entry Lock/Unlock Functions and Wireless Functions do not Operate
- All Door Entry Lock/Unlock Functions do not Operate, but Wireless Functions Operate
- Driver Side Door Entry Unlock Function does not Operate
- Driver Side Door Entry Lock and Unlock Functions do not Operate
- Front Passenger Side Door Entry Unlock Function does not Operate
- Front Passenger Side Door Entry Lock and Unlock Functions do not Operate
- Driver Side Door Entry Lock Function does not Operate
- Front Passenger Side Door Entry Lock Function does not Operate
- Entry Interior Alarm does not Sound
- Back Door Entry Unlock Function does not Operate
- Entry Exterior Alarm does not Sound
- Back Door Entry Lock and Unlock Functions do not Operate
- Back Door Entry Lock Function does not Operate
- Additional Key cannot be Registered
- New Key cannot be Registered
- Entry Exterior Alarm and Answer-back Buzzer do not Sound
- New Key Registration Warning Message is not Displayed
- Smart Key System(for Start Function)
- Parts Location
- Precaution
- System Diagram
- How To Proceed With Troubleshooting
- System Description
- Customize Parameters
- Operation Check
- Problem Symptoms Table
- Diagnosis System
- Terminals Of Ecu
- Dtc Check / Clear
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Lost Communication with ECM / PCM (U0100,U0140,U0142,U0155,U1117)
- Ignition Hold Monitor Malfunction (B2271)
- ACC Monitor Malfunction (B2274)
- Detecting Vehicle Submersion (B2277)
- Engine/Power Switch Malfunction (B2278)
- Vehicle Speed Signal Malfunction (B2282,B2283)
- System Voltage or GND Energization Malfunction (B228B)
- Steering Lock Position Signal Circuit Malfunction (B2285)
- Brake Signal Malfunction (B2284)
- Runnable Signal Malfunction (B2286,P0335)
- Engine does not Start
- Power Source Mode does not Change to ON (IG and ACC)
- Power Source Mode does not Change to ON (ACC)
- Power Source Mode does not Change to ON (IG)
- Theft Deterrent System
- Precaution
- Parts Location
- System Description
- System Diagram
- How To Proceed With Troubleshooting
- Customize Parameters
- Problem Symptoms Table
- Terminals Of Ecu
- Data List / Active Test
- Diagnosis System
- Operation History List
- Engine Hood Courtesy Switch Circuit
- Horn Circuit
- Security Horn Circuit
- Improper Operation
- Power Source Circuit
- Unlock Warning Switch Circuit
- Transponder Key Amplifier
- Transponder Key Ecu
Installation
INSTALLATION
PROCEDURE
1. INSTALL HORN BUTTON ASSEMBLY
(a) Check that the ignition switch off.
(b) Check that the cable is disconnected from the negative (-) battery terminal.
CAUTION:
Wait at l ...
Certification Ecu
Components
COMPONENTS
ILLUSTRATION
*1
CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
*2
ECU INTEGRATION BOX RH
Removal
REMOVAL
CAUTION / NO ...
Other materials:
Toyota CH-R Service Manual > Charging System: Parts Location
PARTS LOCATION
ILLUSTRATION
*1
GENERATOR ASSEMBLY
*2
ECM
*3
NO. 1 ENGINE ROOM RELAY BLOCK
- ECU-B NO. 3 FUSE
-
-
ILLUSTRATION
*1
COMBINATION METER ASSEMBLY
...
Toyota CH-R Service Manual > Can Communication System: Check Bus 2 Line for Short to GND
DESCRIPTION
There may be a short circuit between one of the CAN bus lines and GND when there
is no resistance between terminal 18 (CA4H) of the central gateway ECU (network
gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 17 (CA4L) of the central
gateway ECU (network gateway ECU) and ...
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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