Toyota CH-R Service Manual: CAN Communication Failure (Message Registry) (U1000)
DESCRIPTION
The headlight ECU sub-assembly LH stores this DTC if it detects an internal malfunction related to the CAN communication system.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Note |
|---|---|---|---|---|
|
U1000 |
CAN Communication Failure (Message Registry) |
CAN communication failure |
Headlight ECU sub-assembly LH |
- |
CAUTION / NOTICE / HINT
NOTICE:
If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH.
Click here
.gif)
PROCEDURE
|
1. |
CLEAR DTC |
(a) Clear the DTCs.
Click here
|
.gif)
|
2. |
CHECK FOR DTC |
(a) Turn the ignition switch to ON.
(b) Check for DTCs.
Click here
OK:
DTC U1000 is not output.
| OK | .gif) |
USE SIMULATION METHOD TO CHECK
|
| NG | |
REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH |
Vehicle Specifications have not been Stored (B2451)
DESCRIPTION
This DTC is output if the vehicle variation information is not written to the
headlight ECU sub-assembly LH.
The headlight ECU sub-assembly LH outputs DTC B2451.
DTC No.
...
Turn Signal Switch Circuit
DESCRIPTION
The combination meter assembly receives the turn signal switch information and
controls the turn signal lights.
WIRING DIAGRAM
PROCEDURE
1.
READ VALUE USING ...
Other materials:
Toyota CH-R Service Manual > Vehicle Stability Control System: Brake Pedal Load Sensing Switch OFF Stuck Malfunction (C1430,C1431)
DESCRIPTION
The brake pedal load sensing switch turns on when the brake pedal is depressed
with a force exceeding a predetermined level.
The skid control ECU uses this circuit to detect if the brake pedal is depressed
or not.
DTC No.
Detection Item
DTC Detecti ...
Toyota CH-R Service Manual > Immobiliser System(w/o Smart Key System): Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) The transponder key ECU assembly controls the immobiliser system. Immobiliser
system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle
Data Link Connector 3 (DLC3).
CHECK DLC3
(a) Check the DLC3.
Click here
INSPECT BATTERY VOLTAGE
...
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
0.0103