Toyota CH-R Service Manual: Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) Seat heater system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform troubleshooting.
CHECK DLC3
(a) Check the DLC3.
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INSPECT BATTERY
(a) Check the battery voltage.
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery.
Terminals Of Ecu
TERMINALS OF ECU
CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (for TMMT Made)
(a) Disconnect the air conditioning amplifier assembly connector.
(b) Measure the voltage and resistance according to th ...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Seat Heater System
DTC No.
Detection Item
Link
B14B5
Lost Communication with Front Seat Temperature Adjustm ...
Other materials:
Toyota CH-R Service Manual > Power Window Control System: System Diagram
SYSTEM DIAGRAM
Power Window Control System
Communication Table
Transmitting ECU
Receiving ECU
Signal
Communication Method
Multiplex Network Master Switch Assembly
Power Window Regulator Motor Assembly (for Driver Door)
...
Toyota CH-R Service Manual > Power Mirror Control System: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
If the battery voltage is low, the mirror heater function may not operate. In
this case, check the Data List item "Battery Control Count (Body ECU)".
Click here
HINT:
Use the table below to help determine the cause of problem symptoms.
...
Toyota C-HR (AX20) 2023-2025 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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