Toyota RAV4 manuals

Toyota Sienna Service Manual: Dtc check / clear

1. DTC CHECK (SENSOR CHECK)

DTC CHECK (SENSOR CHECK)

(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.)

DTC CHECK (SENSOR CHECK)

(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.

2. CLEARING DTC

CLEARING DTC

(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:

Unlock warning switch
INSPECTION 1. INSPECT UNLOCK WARNING SWITCH ASSEMBLY  Remove the unlock warning switch assembly .  Measure the resistance according to the value(s) in the table below. Standard resistance ...

Control Module Performance
DESCRIPTION The ECM continuously monitors its main and sub CPUs. This self-check ensures that the ECM is functioning properly. If outputs from the CPUs are different and deviate from the standards, the ECM will illuminate the MIL and set a DTC immediately. The ECM also monitors the cru ...

Dtc check / clear
Notice:All the stored dtcs and freeze frame data are erased if: 1) the ecm is changed from normal mode to check mode or vice versa; or 2) the ignition switch is turned from on to acc or off while in check mode. Before changing modes, always check and make a note of any dt ...

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