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 > Radiator Grille: Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL RADIATOR GRILLE (OR FRONT PANEL) EMBLEM
(a) Engage the guides and claws to install the radiator grille (or front
panel) emblem.
(b) Install 2 new spring nuts.
...
Toyota CH-R Service Manual > Lin Communication System: Front Passenger Side Door ECU Communication Stop (B2322)
DESCRIPTION
This DTC is stored when LIN communication between the power window regulator
motor assembly (for front passenger door) and main body ECU (multiplex network body
ECU) stops for 10 seconds or more.
DTC No.
Detection Item
DTC Detection Condition
...
Toyota C-HR (AX20) 2023-2026 Owner's Manual
Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
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