| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001RDTC |
| Model Year Start: 2021 | Model: Avalon | Prod Date Range: [08/2020 - ] |
| Title: GF1A (TRANSFER / 4WD / AWD): DYNAMIC TORQUE CONTROL AWD SYSTEM: TERMINALS OF ECU; 2021 - 2022 MY Avalon [08/2020 - ] | ||
TERMINALS OF ECU
CHECK 4WD ECU ASSEMBLY
(a) Measure the voltage and resistance of the connector.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
G120-6 (CANH) - G120-5 (CANL) |
P - W |
HIGH-level CAN bus wire - LOW-level CAN bus wire |
Cable disconnected from negative (-) battery terminal |
54 to 69 Ω |
|
G120-4 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
|
G120-3 (IG1) - G120-4 (GND) |
SB - W-B |
Power source voltage |
Engine switch on (IG) |
11 to 14 V |
|
G120-2 (SLC+) - G120-1 (SLC-) |
W - B |
4WD linear solenoid signal |
D position, engine idling |
Pulse generation (See waveform 1) |
If the result is not as specified, the 4WD ECU assembly may have a malfunction.
(b) Using an oscilloscope, check the waveform 1.
Waveform 1 (Reference)
|
Item |
Content |
|---|---|
|
Terminal No. (Symbol) |
G120-2 (SLC+) - G120-1 (SLC-) |
|
Tester Range |
2 V/DIV., 1 msec./DIV. |
|
Condition |
D position, engine idling |
|
|