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 > Rear Seat Assembly: Installation
INSTALLATION
CAUTION / NOTICE / HINT
CAUTION:
Wear protective gloves. Sharp areas on the parts may injure your hands.
PROCEDURE
1. INSTALL REAR SEAT CUSHION LOCK HOOK
(a) Engage the claws to install a new rear seat cushion lock hook as shown in
the illustration.
HINT:
Use the same procedur ...
Toyota CH-R Service Manual > Smart Key System(for Start Function): Power Source Mode does not Change to ON (ACC)
DESCRIPTION
If the engine switch is pressed with the electrical key transmitter sub-assembly
in the cabin, the certification ECU (smart key ECU assembly) receives a signal and
changes the power source mode.
Related Data List and Active Test Items
Problem Symptom
Data Lis ...
Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
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