Toyota Sienna Service Manual: Engine hood courtesy switch
Inspection
1. INSPECT ENGINE HOOD COURTESY SWITCH
- Measure the resistance according to the value(s) in the table below.
Standard resistance
If the result is not as specified, replace the hood lock assembly.
ECU Power Source Circuit
DESCRIPTION
This circuit provides power to operate the theft deterrent (warning) ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT FUSE (ECU-B)
Remove the ECU-B fuse from the engine room ...
Security horn assembly
INSPECTION
1. INSPECT SECURITY HORN ASSEMBLY
Check operation of the horn.
Standard
If the result is not a ...
Other materials:
Laser Sensor Power Source Circuit
DESCRIPTION
This circuit provides power to the laser sensor. The laser sensor emits radio
waves towards an object in
front and measures the distance and direction of the object by receiving the
beam reflections. Based on
the reflections, the sensor calculates the difference in speed between t ...
Engine Coolant Temperature Circuit
DESCRIPTION
A thermistor is built into the Engine Coolant Temperature (ECT) sensor, of
which the resistance value
varies according to the ECT.
The structure of the sensor and its connection to the ECM are the same as those
of the Intake Air
Temperature (IAT) sensor.
HINT:
When any ...
Wrong Disc/ Disc cannot be Read
DTC 44-41 Wrong Disc
DTC 44-42 Disc cannot be Read
DESCRIPTION
DTC No.
DTC Detecting Condition
Trouble Area
44-41
An unsuitable disc is inserted
DVD
Television display assembly
44-42
The disc cannot be read.
IN ...
