Toyota Sienna Service Manual: Evap monitor (key-off type)
(a) Preconditions
The monitor will not run unless:
- The fuel tank is less than 90% full.
- The altitude is less than 8000 ft (2450 m).
- The vehicle is stationary.
- The engine coolant temperature is between 4.4°C and 35°C (40°F and 95°F).
- The intake air temperature is between 4.4°C and 35°C (40°F and 95°F).
- Vehicle was driven in the city area (or on freeway) for 10 minutes or more.
(b) Monitor Conditions
(1) Turn the ignition switch off and wait for 6 hours.
HINT:
Do not start the engine until checking Readiness Monitor status. If the engine is started, the step described above must be repeated.
(c) Monitor Status
(1) Connect an intelligent tester to the DLC3.
(2) Turn the ignition switch to the ON position.
(3) Turn the tester or scan tool ON.
(4) Check the Readiness Monitor status displayed on the tester or scan tool.
If the status does not switch to COMPL (complete), restart the engine, make sure that the preconditions have been met, and then perform the Monitor Conditions again.
Catalyst monitor (active air-fuel ratio control
type)
(a) Preconditions
The monitor will not run unless:
The MIL is OFF.
(b) Drive Pattern
(1) Connect an intelligent tester.
(2) Turn the ignition switch to the ON position.
(3) Turn the ...
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 ...
Other materials:
Front Clearance Sonar Sensor RH Circuit
DESCRIPTION
An ultrasonic sensor consists of a sensor portion that transmits and receives
ultrasonic waves and a preamplifier
that amplifies them. The ultrasonic sensor outputs the ultrasonic waves and
sends the reveiced
signals to the clearance warning ECU.
WIRING DIAGRAM
INSPECTION PR ...
Customize parameters
HINT:
The following items can be customized.
NOTICE:
After confirming whether the items requested by the
customer are applicable or not for customization,
perform customize operations.
Be sure to record the current settings before
customizing.
When troubleshooting, ...
SFR Solenoid Circuit
DESCRIPTION
This solenoid goes on when signals are received from the ECU and controls the
pressure acting on the
wheel cylinders to control the braking force.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 RECONFIRM DTC
HINT:
This code is detected when a problem is determined in the
bra ...
