Toyota RAV4 manuals

Toyota Sienna Service Manual: 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 DTCs and freeze frame data.

HINT:

1. CHECK DTC (Using an intelligent tester)

CHECK DTC (Using an intelligent tester)

  1.  Connect the intelligent tester to the DLC3.
  2.  Turn the ignition switch to the ON position.
  3.  Turn the tester ON.
  4.  Select the following menu items: DIAGNOSIS / ENHANCED OBD II / DTC INFO / CURRENT CODES.
  5.  Check for the DTC(s) and freeze frame data, and then write them down.
  6.  Check the details of the DTC(s).

2. CLEAR DTC (Using the intelligent tester)

  1.  Connect the intelligent tester to the DLC3.
  2.  Turn the ignition switch to the ON position.
  3.  Turn the tester ON.
  4.  Select the following menu items: DIAGNOSIS / ENHANCED OBD II / DTC INFO / CLEAR CODES.
  5.  Press the YES button.

3. CLEAR DTC (Without using an intelligent tester)

  1.  Perform either one of the following operations:
  1. Disconnect the negative battery cable for more than 1 minute.
  2.  Remove the EFI No. 1 and ETCS fuses from the Relay Block (R/B) located inside the engine compartment for more than 1 minute.
Diagnosis system
1. DESCRIPTION  When troubleshooting OBD II (On-Board Diagnostics) vehicles, an intelligent tester (complying with SAE J1987) must be connected to the DLC3 (Data Link Connector 3) o ...

Freeze frame data
1. DESCRIPTION  The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can be helpful in dete ...

Other materials:

Short in Driver Side Squib 2nd Step Circuit
DTC B1180/17 Short in Driver Side Squib 2nd Step Circuit DESCRIPTION The driver side squib 2nd step circuit consists of the center airbag sensor assembly, the spiral cable and the steering pad. The circuit instructs the SRS to deploy when deployment conditions are met. DTC B1180/17 is rec ...

Engine immobilizer system
The vehicle’s keys have built-in transponder chips that prevent the engine from starting if a key has not been previously registered in the vehicle’s on-board computer. Never leave the keys inside the vehicle when you leave the vehicle. This system is designed to help prevent vehicle the ...

Precaution
1. GENERAL PRECAUTION  When using the battery during inspection, do not bring the positive and negative tester probes too close to each other as a short circuit may occur. PARTS LOCATION SYSTEM DIAGRAM 1. SIGNAL COMMUNICATION TABLE Driver Side Power Seat (w ...

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