Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001O4EN
Model Year Start: 2021 Model: GR Corolla Prod Date Range: [04/2020 - 09/2022]
Title: TELEMATICS: TELEMATICS SYSTEM (for Gasoline Model): TERMINALS OF ECU; 2021 - 2022 MY Corolla Corolla Hatchback GR Corolla [04/2020 - 09/2022]

TERMINALS OF ECU

HINT:

Check from the rear of the connector while it is connected to the components.

DCM (TELEMATICS TRANSCEIVER)

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition
*1: for Hatchback Model

*2: for Sedan Model

I143-1 (+B) - I143-20 (E)

SB - W-B

Power source (+B)

Always

11 to 14 V

I143-20 (E) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

I143-19 (IG2) - I143-20 (E)

BR - W-B*1

L - W-B*2

Power source (IG)

Ignition switch On

11 to 14 V

Ignition switch off

Below 1 V

I143-25 (CANP)

L

CAN communication signal

-

-

I143-26 (CANN)

W

CAN communication signal

-

-

I143-30 (SLPD) - I143-20 (E)

SB - W-B

Steering lock bar position signal

Steering locked

11 to 14 V

Steering unlocked

Below 1.5 V

CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

Click here 2021 MY Corolla Corolla Hatchback GR Corolla [04/2020 - 06/2021]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): TERMINALS OF ECU 2022 MY Corolla Corolla Hatchback GR Corolla [06/2021 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): TERMINALS OF ECU