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)

(a) Connect the intelligent tester to the DLC3.

(b) Turn the ignition switch to the ON position.

(c) Turn the tester ON.

(d) Select the following menu items: DIAGNOSIS / ENHANCED OBD II / DTC INFO / CURRENT CODES.

(e) Check for the DTC(s) and freeze frame data, and then write them down.

(f) Check the details of the DTC(s) (See page ES-56).

2. CLEAR DTC (Using the intelligent tester)

(a) Connect the intelligent tester to the DLC3.

(b) Turn the ignition switch to the ON position.

(c) Turn the tester ON.

(d) Select the following menu items: DIAGNOSIS / ENHANCED OBD II / DTC INFO / CLEAR CODES.

(e) Press the YES button.

3. CLEAR DTC (Without using an intelligent tester)

(a) 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
DESCRIPTION (a) 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) of the vehicle. ...

Freeze frame data
1. DESCRIPTION (a) 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 determining ...

Other materials:

Engine unit
COMPONENTS ...

Terminals of ecu
1. A/C AMPLIFIER HINT: Check from the rear of the connector while it is connected to the A/C amplifier. (a) Waveform 1: (b) Waveform 2: ...

Airbag ECU Communication Stop
DTC B1281 Airbag ECU Communication Stop DESCRIPTION DTC B1281 is output when communication between the airbag ECU and the multiplex network gateway ECU stops for more than 10 seconds. DTC No. DTC Detection Condition Trouble Area B1281 Airbag ECU communi ...

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