Toyota Tacoma manuals

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

USE SIMULATION METHOD TO CHECK

NG

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

Fail-safe Chart
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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. REMOVE MANUAL TRANSMISSION ASSEMBLY (See page ) 2. REMOVE CLUTCH RELEASE FORK SUB-ASSEMBLY (a) Remove the clutch release fork sub-assembly with the clutch release bearing assembly from the manual transmission assembly. ...

Steering Angle Sensor Internal Circuit (C1433)
DESCRIPTION The skid control ECU (brake actuator assembly) outputs this DTC when it receives an internal malfunction signal from the steering angle sensor. DTC No. Detection Item DTC Detection Condition Trouble Area C1433 St ...

Removal
REMOVAL CAUTION / NOTICE / HINT CAUTION: Some of these service operations affect the SRS. Read the precautionary notices concerning the SRS before servicing. Click here PROCEDURE 1. PRECAUTION NOTICE: After turning the ignition switch off, waiting time may be required before disconnectin ...

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