Toyota Venza: Terminals Of Ecu

Toyota Venza Service Manual / Mf1a Transfer / 4wd / Awd / Active Torque Control 4wd System / Terminals Of Ecu

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

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TEST MODE PROCEDURE 1. DESCRIPTION HINT: When using a chassis dynamometer, brake tester, etc. to perform a vehicle test, activate test mode to avoid a "different tire diameter installed" ...

DIAGNOSIS SYSTEM 1. DESCRIPTION Active torque control 4WD system data can be read in the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream ...

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