Toyota RAV4 manuals

Toyota Sienna Service Manual: On-vehicle inspection

HINT: The type of ignition switch on this model differs according to the specifications of the vehicle. For the expressions used in this section, refer to the "EXPRESSIONS OF IGNITION SWITCH" precaution (See page ES-1).

1. CHECK AIR FUEL RATIO COMPENSATION SYSTEM

(a) Connect the intelligent tester to the DLC3.

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

(c) Select the following menu items: Data List / A/FS B1 S1 and O2S B1 S2.

(d) Warm up the A/F sensor with the engine speed at 2500 rpm for approximately 2 minutes.

(e) Keep the engine speed at 2500 rpm and confirm that the "A/FS B1 S1" and "A/FS BS S1" display is as shown in the illustration.

CHECK AIR FUEL RATIO COMPENSATION SYSTEM

HINT:

Standard

NOTICE: The A/F sensor has an output delay of a few seconds.

(f) Confirm that the "O2S B1 S2" and "A/FS BS S1" display changes between 0 to 1 V with the engine speed at 2500 rpm.

OK: The voltage output oscillates more than 8 times in 10 seconds.

NOTICE:
  • Perform the check immediately after warming the engine up.
  • If the voltage variation could not be verified, warm up the A/F sensor again. If it could not be verified even after warming up the sensor again, check for DTCs (See page ES-39).
Air fuel ratio sensor (for 4wd)
Components ...

Removal
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINALV Caution: wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat ...

Other materials:

Diagnosis system
1. DESCRIPTION  Front power seat control system data can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the intelligent tester to check for malfunctions and perform repairs. 2. CHECK DLC3  The vehicle us ...

Cold Start Idle Air Control System Performance
DESCRIPTION This monitor will run when the engine is started at -10 to 50°C (14 to 122°F) of the engine coolant temperature. The DTC will set after the engine idling for 13 seconds (2 trip detection logic). The DTC is designed to monitor the idle air control at cold start. When the ...

On-vehicle inspection
1. CHECK ACCELERATOR PEDAL ROD  Check the voltage.  Connect the intelligent tester to the DLC3.  Turn the ignition switch to the ON position. Turn the intelligent tester on.  Select the menu items: DIAGNOSIS / ENHANCED OBD II / DATA LIST / ALL / ACCEL POS ...

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