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 2wd)
Components ...

Removal
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 2. REMOVE AIR FUEL RATIO SENSOR (for Bank 2 Sensor 1) (a) Disconnect the sensor connector. (b) Using SST, remove the sensor from the exhau ...

Other materials:

Mobile Assistant
The Mobile Assistant feature will activate Apple’s Siri® Eyes Free mode via the steering wheel switches. To operate the Mobile Assistant, a compatible cellular phone must be registered and connected to this system via Bluetooth®. Press and hold the until you hear the beeps ...

Fuel Pump Control Circuit
DESCRIPTION The FUEL PUMP relay switches the fuel pump speed according to the engine conditions. The fuel pump operates when the ECM receives the starter-operating signal (STA) and crankshaft-rotating signal (NE). The FUEL PUMP relay is turned ON while the engine is idling or operating at l ...

Crankshaft position sensor
Components Removal 1. Remove compressor and magnetic clutch HINT: (See page AC-227 ) 2. REMOVE CRANKSHAFT POSITION SENSOR (a) Disconnect the crankshaft position sensor connector. (b) Remove the bolt, and then remove the crankshaft position sensor. INSPECTION 1. INSPECT CRANKSHAFT ...

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