Terminals Of Ecu
1. CHECK AWD CONTROL ECU
(a) Measure the voltage and resistance of the connector.
Terminal No. (Symbol) | Terminal Description | Condition | Specified Condition |
|---|---|---|---|
14 (CANH) - 16 (CANL) |
CAN communication |
Ignition switch off |
54 to 69 Ω |
23 (GND) - Body ground |
Ground |
Always |
Below 1 Ω |
11 (IG1) - 23 (GND) |
Power source voltage |
Ignition switch ON |
10 to 14 V |
13 (SLC+) - 32 (SLC-) |
Electromagnetic solenoid signal |
D position, Idling |
Pulse generation (See waveform 1) |
9 (BSLC) - 23 (GND) |
Power source voltage |
Always |
10 to 14 V |
If the result is not as specified, the AWD control ECU may have a malfunction.
(b) Using an oscilloscope, check the waveform 1.
Waveform 1 (Reference) Terminal Name | Content |
|---|---|
Tester Range |
2 V/DIV., 1 msec./DIV. |
Condition |
D position, Idling |
Test yourself
A quick Toyota Venza quiz: every answer comes with an explanation and a link to the manual page.