Toyota Camry (XV70): ECU Malfunction (B1003)
Toyota Camry Repair Manual XV70 (2018-2024) / Power Source, Network / Networking / Can Communication System / 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
|
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| B |
| REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)
|
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DESCRIPTION
Detection Item Symptom
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Any of the following conditions are met:
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DESCRIPTION
Detection Item Symptom
Trouble Area Clearance Warning ECU Communication Stop Mode
Any of the following conditions are met:
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Installation
INSTALLATION PROCEDURE 1. INSTALL TIMING CHAIN COVER ASSEMBLY
(a) Clean the contact surfaces of the engine assembly, and confirm that no oil, moisture, or other foreign matter is on the surfaces.
*a Engine Assembly Side
*b Timing Chain Cover Assembly Side
Clean
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