Toyota RAV4 manuals

Toyota Sienna Service Manual: Air-fuel ratio (a/f) and heated oxygen (ho2) sensor heater monitors (front a/f and rear ho2 sensor type)

Toyota Sienna Service Manual / Engine / 2Gr-fe engine control system / Sfi system / Readiness monitor drive pattern / Air-fuel ratio (a/f) and heated oxygen (ho2) sensor heater monitors (front a/f and rear ho2 sensor type)

Air-fuel ratio (a/f) and heated oxygen (ho2) sensor heater monitors (front a/f and rear ho2 sensor type)

(a) Preconditions

The monitor will not run unless:

(b) Drive Pattern

(1) Connect an intelligent tester to the DLC3.

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

(3) Clear the DTCs.

(4) Start the engine.

(5) Allow the engine to idle for 10 minutes or more.

(6) Drive the vehicle at 25 mph (40 km/h) or more for at least 2 minutes.

(c) Monitor Status

(1) Check the Readiness Monitor status displayed on the tester or scan tool.

If the status does not switch to COMPL (complete), make sure that the preconditions have been met, and repeat the Drive Pattern.

A/F sensor and ho2s monitors
(a) Preconditions The monitor will not run unless: 2 minutes or more have elapsed since the engine was started. The Engine Coolant Temperature (ECT) is 75°C (167°F) or more. Cumulative ...

Problem symptoms table
HINT: When a malfunction is not confirmed by a DTC (Diagnostic Trouble Code) check and the cause of problem cannot be identified through a basic inspection, troubleshoot according to the priority ...

Other materials:

Sound Signal Circuit between Radio and Navigation Assembly and Television Display Assembly
DESCRIPTION The television display assembly sends an RSE sound signal to the radio and navigation assembly through this circuit. The sound signal that has been sent is amplified by the stereo component amplifier, and then is sent to the speakers. If there is an open or short in the circuit ...

Black Screen
INSPECTION PROCEDURE 1 CHECK DISPLAY SETTING Check that the display is not in "Screen OFF" mode. OK: The display setting is not in "Screen OFF" mode. 2 CHECK IMAGE QUALITY SETTING Check that the screen color quality can be set. OK: Setting is possible. PRESS PA ...

Ambient temperature sensor
ON-VEHICLE INSPECTION 1. INSPECT A/C AMBIENT TEMPERATURE SENSOR (a) Remove the A/C ambient temperature sensor. (b) Disconnect the connector from A/C ambient temperature sensor. (c) Measure the resistance according to the value(s) in the table below. Standard resistance NOTICE: E ...

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