Toyota RAV4 manuals

Toyota Sienna Service Manual: Diagnosis system

1. CHECK DLC3

CHECK DLC3

  1.  The ECU uses the ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format.

CHECK DLC3

NOTICE: *: Before measuring the resistance, leave the vehicle as is for at least 1 minute and do not operate the ignition switch, any other switches, or the doors.

If the result is not as specified, the DLC3 may have a malfunction. Repair or replace the harness and connector.

HINT: If the display shows an error message after having connected the cable of the intelligent tester to the DLC3, turned the ignition switch to the ON position, and operated the tester, there is a problem on either the vehicle side or the tool side.

Terminals of ECU
1. COMBINATION METER ASSEMBLY *1: with Power Rear No. 2 Seat with Stowing Function *2: with Theft Deterrent System  Waveform 1 (Reference) : Using an oscilloscope: OK ...

Data list / active test
1. DATA LIST Using the intelligent tester to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusiv ...

Other materials:

Master Reset/ Voice Processing Device ON Error
DTC 01-DD Master Reset DTC 01-E1 Voice Processing Device ON DESCRIPTION DTC No. DTC Detection Condition Trouble Area 01-DD *1 The device that should be the master has been disconnected after the engine starts. Radio and navigation assembly po ...

Front Occupant Classification Sensor LH Collision Detection
DTC B1785 Front Occupant Classification Sensor LH Collision Detection DESCRIPTION DTC B1785 is output when the occupant classification ECU receives a collision detection signal sent by the front occupant classification sensor LH if an accident occurs. DTC B1785 is also output when the front ...

DTC check / clear
1. DTC CHECK (USING SST CHECK WIRE)  Check the DTCs (Present trouble code).  Turn the ignition switch ON, and wait for approximately 60 seconds.  Using SST, connect terminals TC and CG of the DLC3. SST 09843-18040 NOTICE: Connect the terminals to the correct p ...

В© 2011-2026 Copyright www.tsienna.net