| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM1000000025HG6 |
| Model Year Start: 2023 | Model: GR Corolla | Prod Date Range: [09/2022 - ] |
| Title: GF1A (TRANSFER / 4WD / AWD): ACTIVE TORQUE SPLIT AWD SYSTEM: TERMINALS OF ECU; 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 - ] | ||
TERMINALS OF ECU
CHECK 4WD ECU ASSEMBLY
(a) Measure the voltage and resistance of the connector.
|
Terminal No. (Symbol) |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|
|
O176-1 (GND) - Body ground |
Ground |
Always |
Below 1 Ω |
|
O176-2 (BSLC) - O176-1 (GND) |
4WD ECU assembly power supply |
Always |
11 to 14 V |
|
O176-13 (T1H) - O176-1 (GND) |
Temperature sensor (+) input |
Ignition switch ON |
0.5 to 4.5 V |
|
O176-21 (T1L) - O176-1 (GND) |
Temperature sensor (-) input |
Ignition switch ON |
0.5 to 4.5 V |
|
O176-24 (IG1) - O176-1 (GND) |
4WD ECU assembly power supply input |
Ignition switch ON |
11 to 14 V |
|
O177-3 (SLC-) - O176-1 (GND) |
4WD linear solenoid (electro magnetic control coupling sub-assembly) (-) output |
Ignition switch ON |
Below 0.5 V |
|
O177-4 (SLC+) - O176-1 (GND) |
4WD linear solenoid (electro magnetic control coupling sub-assembly) (+) output |
Ignition switch ON |
Below 0.5 V |
|
O177-17 (CANH) - O177-26 (CANL) |
CAN communication line |
Ignition switch off |
54 to 69 Ω |
|
O177-18 (OMS) - O176-1 (GND) |
AWD control switch (No. 2 combination switch assembly) input |
Ignition switch ON (Switch not operated) |
11 to 14 V |
|
O177-19 (OMSG) - O176-1 (GND) |
AWD control switch (No. 2 combination switch assembly) ground |
Always |
Below 10 Ω |
|
|