Toyota Tacoma (2015-2018) Service Manual: ECU Malfunction (B1003)
DESCRIPTION
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B1003 |
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. |
CHECK DTC |
(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.
OK:
DTC B1003 is not output.
| OK | .gif) |
USE SIMULATION METHOD TO CHECK |
| NG | |
REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) |
Fail-safe Chart
FAIL-SAFE CHART
1. FAIL-SAFE FUNCTION
(a) When communication fails in any of the CAN bus lines (communication lines),
a fail-safe function(s) will operate. The fail-safe function that is specified ...
Clearance Warning ECU Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Clearance Warning ECU Communication Stop Mode
Either Condition is met:
Commu ...
Other materials:
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for both the RH and LH sides.
The procedure described below is for the LH side.
PROCEDURE
1. PRECAUTION
NOTICE:
After turning the ignition switch off, waiting time may be required before disconnecting
the cable f ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL NO. 1 STEREO JACK ADAPTER ASSEMBLY
(a) Engage the 2 claws to install the No. 1 stereo jack adapter assembly.
2. INSTALL INSTRUMENT PANEL LOWER CENTER FINISH PANEL
(See page )
3. INSTALL NO. 2 INSTRUMENT PANEL GARNISH SUB-ASSEMBLY
(See page )
4. INSTALL F ...
Operation Check
OPERATION CHECK
1. INSPECT INTERIOR LIGHT CONTROL OPERATION
NOTICE:
Perform this inspection with the customize parameters at the default settings.
The interior light control illuminates the lights below.
Engine Switch Illumination*1
Transponder Key Coil (Ignition Key Cylinder Light)* ...
