Toyota Tacoma (2015-2018) Service Manual: ECU Malfunction (B1003)

Toyota Tacoma (2015-2018) Service Manual / Can Communication / Can Communication System / 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

CHECK DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(d) Enter the following menus: Body Electrical / Central Gateway / Trouble Codes.

OK:

DTC B1003 is not output.

USE SIMULATION METHOD TO CHECK

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 PROCEDURE 1. PRECAUTION CAUTION: Be sure to read Precaution thoroughly before servicing (See page ). NOTICE: After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the ...

Sound of Portable Player cannot be Heard from Speakers or Sound is Low
PROCEDURE 1. CHECK PORTABLE PLAYER SETTINGS (a) Check the portable player settings. (1) Check that the volume is not set to "0". (2) Check that the mute is off. (b) Check that the sound of the portable player can be heard from the speakers. OK: Sound ...

Extension Housing Rear Oil Seal
Components COMPONENTS ILLUSTRATION Replacement REPLACEMENT PROCEDURE 1. REMOVE PROPELLER SHAFT WITH CENTER BEARING ASSEMBLY (See page ) 2. REMOVE AUTOMATIC TRANSMISSION EXTENSION HOUSING OIL SEAL (a) Using SST, remove the automatic transmission extension housing oil se ...