Toyota CH-R Service Manual: Fail-safe Chart
FAIL-SAFE CHART
FAIL-SAFE FUNCTION
(a) Headlight ECU sub-assembly
(1) The headlight ECU sub-assemblies stop light operation if the following malfunctions are detected.
|
Malfunction |
Multi-information Display Warning |
DTC Output |
||
|---|---|---|---|---|
|
Lighting on/off |
LED light source malfunction |
Low beam |
Displayed |
Output |
|
High beam |
Not Displayed |
Output |
||
|
Fan malfunction |
Displayed |
Output |
||
|
Other than above (communication with main body ECU (multiplex network body ECU)) |
Displayed |
Output |
||
|
Automatic headlight beam level control system |
Displayed |
Output |
||
|
Power supply |
IG voltage line malfunction |
Displayed |
Output |
|
|
Other than an IG voltage line malfunction |
Not displayed |
Not output |
||
Dtc Check / Clear
DTC CHECK / CLEAR
CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / HL AutoLevelin ...
Freeze Frame Data
FREEZE FRAME DATA
FREEZE FRAME DATA
(a) Whenever an automatic headlight beam level control system DTC is stored,
the headlight ECU sub-assembly LH stores the current vehicle state as freeze frame ...
Other materials:
Toyota CH-R Service Manual > Window / Glass: Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT DEFOGGER RELAY
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
...
Toyota CH-R Service Manual > Can Communication System: Check Bus 2 Lines for Short Circuit
DESCRIPTION
There may be a short circuit between the CAN main bus lines and/or CAN branch
lines when the resistance between terminals 18 (CA4H) and 17 (CA4L) of the central
gateway ECU (network gateway ECU) is below 54 Ω.
Symptom
Trouble Area
Resistance ...
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
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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
- 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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