| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM1000000028I3D |
| Model Year Start: 2023 | Model: GR Corolla | Prod Date Range: [11/2022 - ] |
| Title: TELEMATICS: TELEMATICS SYSTEM (for Gasoline Model): TERMINALS OF ECU; 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 - ] | ||
TERMINALS OF ECU
HINT:
Check from the rear of the connector while it is connected to the components.
DCM (TELEMATICS TRANSCEIVER)
|
Terminal No. (Symbol) |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|
|
I143-1 (+B) - I143-20 (E) |
Power source (+B) |
Always |
11 to 14 V |
|
I143-15 (USBV) - I143-20 (E) |
DCM (telematics transceiver) power supply signal |
Ignition switch On |
4.75 to 5.25 V |
|
Ignition switch off |
Below 1 V |
||
|
I143-17 (VOT+) - I143-20 (E) |
Sent voice signal |
Calling while using the operator service |
A waveform synchronized with the received voice is output |
|
I143-19 (IG2) - I143-20 (E) |
Power source (IG) |
Ignition switch On |
11 to 14 V |
|
Ignition switch off |
Below 1 V |
||
|
I143-20 (E) - Body ground |
Ground |
Always |
Below 1 Ω |
|
I143-25 (CANP) |
CAN communication signal |
- |
- |
|
I143-26 (CANN) |
CAN communication signal |
- |
- |
|
I143-31 (USBG) - Body ground |
Shield ground |
Always |
Below 1 Ω |
|
I143-33 (VOT-) - I143-20 (E) |
Sent voice signal |
Calling while using the operator service |
A waveform synchronized with the received voice is output |
|
t7-1 (USB-) |
USB communication line |
- |
- |
|
t7-2 (USB+) |
USB communication line |
- |
- |
|
t7-3 (USBS) - Body ground |
Shield ground |
Always |
Below 1 V |
RADIO AND DISPLAY RECEIVER ASSEMBLY
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