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:

Mass or Volume Air Flow Circuit/ Mass or Volume Air Flow Circuit Low Input/ Mass or Volume Air Flow Circuit High Input
DESCRIPTION The Mass Air Flow (MAF) meter is a sensor that measures the amount of air flowing through the throttle valve. The ECM uses this information to determine the fuel injection time and to provide appropriate airfuel ratio. Inside the MAF meter, there is a heated platinum wire which is ...

Definition of terms
Term Definition Monitor description Description of what the ecm monitors and how it detects malfunctions (monitoring purpose and its details). Related dtcs Diagnostic codeV Typical enabling condition Preconditions that allow the ecm to detect malfunc ...

Key Lock-in Prevention Function does not Work Properly (Manual Operation and Operation Interlocked with Key are Active)
DESCRIPTION The un-lock warning switch turns ON when the key is inserted in the ignition key cylinder. The courtesy light switch turns ON when the driver side door is opened. These 2 switches are monitored by the body ECU. In order to prevent the key from being locked in, the body ECU cont ...

В© 2011-2026 Copyright www.tsienna.net