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

USE SIMULATION METHOD TO CHECK

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 ...

    © 2017-2019 Copyright www.tochr.net
    0.0158