Toyota RAV4 manuals

Toyota Sienna Service Manual: Dtc check / clear



(a) After the indicator check is completed, the system enters the DTC check mode automatically.

(b) Read the codes displayed on the panel. Refer to the list of codes (See page AC-19) when reading the codes. (Trouble codes are output at the temperature display.)


(c) If the slower display is desired, press the DEF switch and change it to the step operation. Each time the DEF switch is pressed, the display changes by 1 step.



(a) To clear diagnostic trouble codes, there are 2 ways.

(1) During sensor check, press the "DEF" switch and "A/C" switch at the same time.

(2) Remove the ECU-B fuse in the engine room junction block for 20 seconds or longer to clear the DTC memory.

Diagnosis system
1. CHECK DLC3 (a) The vehicle's ECM uses the ISO 15765-4 for communication. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format. HINT: Connect the ...

Check mode procedure
1. LIST OF OPERATION METHODS By operating each of the A/C control switches as shown in the diagram below, it is possible to enter the diagnosis check mode. ...

Other materials:

Changing the rear setting
Adjusting the temperature setting Press the “REAR” button (indicator and rear temperature on the display on). Turn the “REAR TEMP” dial clockwise to increase the temperature and counterclockwise to decrease the temperature. The air conditioning system switches between individual ...

ECM Power Source Circuit
DESCRIPTION When the ignition switch is turned to the ON position, the battery voltage is applied to terminal IGSW of the ECM. The ECM MREL output signal causes a current to flow to the coil, closing the contacts of the EFI relay and supplying power to terminal +B of the ECM. If the igniti ...

CD cannot be Inserted / Played or CD is Ejected Right After Insertion
INSPECTION PROCEDURE 1 CHECK IF A PROPER CD IS INSERTED Make sure that the CD is an audio CD or a CD with an MP3 or WMA file, and that it is not deformed, flawed, stained, burred, or otherwise defective. OK: Normal CD HINT:  Translucent or uniquely-shaped CDs cannot be playe ...

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