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 > Pre-collision System: Front Camera Module Incorrect Axial Gap (C1AA8,C1AA9)
DESCRIPTION
If the millimeter wave radar sensor assembly detects that the forward recognition
camera beam has an axis misalignment, DTC C1AA8 is output.
Also if forward recognition axis adjustment has not been performed or did not
complete normally after the forward recognition camera was repl ...
Toyota CH-R Service Manual > Toyota Entune System: Lost Communication with Body Control Module "B" (U0142,U0155,U0163)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the CAN communication circuit.
HINT:
If CAN communication system DTCs are stored, they may also be stored for other
systems.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
...
Toyota C-HR (AX20) 2023-2025 Owner's Manual
Toyota CH-R Owners Manual
- For safety and security
- Instrument cluster
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- When trouble arises
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- 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
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- Door / Hatch
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- Horn
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- 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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