Terminals Of Ecu
- CHECK AWD CONTROL ECU
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- Measure the voltage and resistance of the connector.CONNECTOR TERMINALS REFERENCE
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 b) 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.
- Using an oscilloscope, check the waveform 1.
Waveform 1 (Reference)
WAVEFORM REFERENCETerminal Name Content Tester Range 2 V/DIV., 1 msec./DIV. Condition D position, Idling - Measure the voltage and resistance of the connector.