Toyota CH-R Service Manual: ECU Malfunction (B1003)
DESCRIPTION
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Note |
|---|---|---|---|---|
|
B1003 |
ECU Malfunction |
A malfunction in the non-volatile storage of the central gateway ECU (network gateway ECU) is detected. |
Central gateway ECU (network gateway ECU) |
- |
PROCEDURE
|
1. |
RECONFIRM DTC OUTPUT |
(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 / Central Gateway / Trouble Codes.
Body Electrical > Central Gateway > Trouble Codes|
Result |
Proceed to |
|---|---|
|
DTC B1003 is not output from the central gateway ECU (network gateway ECU) |
A |
|
DTC B1003 is output from the central gateway ECU (network gateway ECU) |
B |
| A | .gif) |
USE SIMULATION METHOD TO CHECK
|
.gif)
| B | |
REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) |
Data List / Active Test
DATA LIST / ACTIVE TEST
NOTICE:
In the table below, the values listed under "Normal Condition" are reference
values. Do not depend solely on these reference values when deciding whether ...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Diagnostic Trouble Code Chart
DTC No.
Detection Item
Trouble Area
Link
B1003
ECU Malfunction
...
Other materials:
Toyota CH-R Service Manual > Washer Motor: Removal
REMOVAL
PROCEDURE
1. REMOVE FRONT WHEEL RH
Click here
2. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH
(a) Remove the 5 screws and front wheel opening extension pad RH.
3. REMOVE FRONT FENDER MOULDING SUB-ASSEMBLY RH
Click here
...
Toyota CH-R Service Manual > Navigation System: Speed Signal Malfunction (B15C2)
DESCRIPTION
The navigation ECU receives a vehicle speed signal from the combination meter
assembly and information from the navigation antenna assembly, and then adjusts
the vehicle position on the map.
The navigation ECU stores this DTC when the difference between the speed information
that ...
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
0.0109