Toyota CH-R Service Manual: System Description
SYSTEM DESCRIPTION
GENERAL
(a) The rear window defogger wire is attached to the inside of the rear window and defogs the window surface quickly when the rear window defogger switch is pressed. The indicator light on the switch illuminates while the system is operating. This system automatically turns off after approximately 15 minutes.
HINT:
- If both of the following conditions are met after approximately 15 minutes
from when the window defogger system was activated, the window defogger
system continues to operate up to approximately 45 minutes. If the following
conditions are not met, the window defogger system stops operating immediately.
- The outside temperature is -3°C (27°F) or lower.
- The vehicle speed is 45 km/h (28 mph) or more.
NOTICE:
If the battery voltage becomes low, window defogger system operation is canceled to prioritize supplying power to the power steering system.
FUNCTION OF MAIN COMPONENTS
|
Component |
Outline |
|---|---|
|
Air Conditioning Control Assembly |
Sends signals to the air conditioning amplifier assembly to operate the window defogger system. |
|
Air Conditioning Amplifier Assembly |
Sends a window defogger system activation request signal to the defogger relay. |
|
Defogger Relay |
Receives a window defogger system activation request signal from the air conditioning amplifier assembly and supplies power to the back door glass (rear window defogger wire). |
|
Back Door Glass (Rear Window Defogger Wire) |
Receives power from the defogger relay and heats the rear window using the back door glass (rear window defogger wire). |
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the window defogger system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGH ...
Operation Check
OPERATION CHECK
CHECK WINDOW DEFOGGER SYSTEM
(a) Turn the ignition switch to ON.
(b) Check that the rear window defogger wire becomes warm by operating the rear
window defogger switch of the air ...
Other materials:
Toyota CH-R Service Manual > Lighting System: Freeze Frame Data
FREEZE FRAME DATA
FREEZE FRAME DATA (for LED Headlight)
(a) Whenever a lighting system DTC is stored, the headlight ECU sub-assembly
LH stores the current vehicle state as freeze frame data.
CHECK FREEZE FRAME DATA (for LED Headlight)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignit ...
Toyota CH-R Service Manual > Steering Heater Switch: Inspection
INSPECTION
PROCEDURE
1. INSPECT STEERING HEATER SWITCH
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Switch Condition
Specified Conditi ...
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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