Toyota RAV4 manuals

Toyota Sienna Service Manual: Diagnosis system

1. CHECK DLC3

CHECK DLC3

  1.  The vehicle's ECU uses 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.

  1.  Connect the cable of the intelligent tester to the DLC3, turn the ignition switch to the ON position and attempt to use the intelligent tester. If the screen displays a communication error message, a problem exists in the vehicle side of the tester side.

CHECK DLC3

HINT:

2. BACK DOOR LOCK

  1.  When the battery is reconnected: The back door is locked and therefore cannot be opened. Therefore, it is necessary to unlock the back door using the door control switch or transmitter switch.
Terminals of ECU
1. CHECK POWER BACK DOOR ECU Disconnect the P13 and P14 ECU connectors, and check the voltage and resistance of each terminal of the wire harness side connectors If the result is no ...

DTC check / clear
1. CHECK DTC (USING INTELLIGENT TESTER)  Checking DTCs.  Connect the intelligent tester to the DLC3.  Turn the ignition switch ON.  Read DTCs by following the pro ...

Other materials:

Check for intermittent problems
1. CHECK FOR INTERMITTENT PROBLEMS HINT: For use of the intelligent tester only: Inspect the vehicle's ECM using check mode. Intermittent problems are easier to detect with an intelligent tester when the ECM is in check mode. In check mode, the ECM uses 1 trip detection logic, which is more ...

Power Slide Door Warning Buzzer RH does not Sound
DESCRIPTION  The power slide door system uses warning buzzers built into RH slide doors respectively. Each buzzer has 2 ways of sounding that are used differently according to the situations: When all the following conditions are met, the warning buzzer sounds at a cycle of ...

Power Seat Motor Circuit
DESCRIPTION When the power seat control switch is operated, a command signal is sent to the position control ECU and switch assembly (power seat control switch and ECU). The front power seat switch then controls the appropriate seat motor as needed. This memory system does not use a seat po ...

В© 2011-2022 Copyright www.tsienna.net