Toyota Sienna Service Manual: 2Gr-fe engine control system
RECOMMENDED TOOLS
EQUIPMENT
Glossary of sae and Toyota terms
This glossary lists all SAE-J1930 terms and abbreviations
used in this manual in compliance with SAE
recommendations, as well as their TOYOTA equivalents.
...
Preparation 2gr-fe engine mechanical
SST
RECOMMENDED TOOLS
EQUIPMENT
HINT:
Torx is registered trademark of Textron Inc.
SSM
...
Other materials:
Meter Illumination is Always Dark
DESCRIPTION
Confirm that the vehicle is equipped with the optitron meter, then
check this circuit.
The combination meter assembly receives a auto dimmer signal from the
body ECU by the multiplex
communication line.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK MULTIPLEX CO ...
Turning on the high beam headlights
With the headlights on, push
the lever away from you to turn
on the high beams.
When the light switch is in
position, the Automatic High Beam
system will be activated.
Pull the lever toward you to the
center position to turn the high
beams off.
Pull the lever toward you and ...
General information
A large number of ECU controlled systems are used in the
SIENNA. In general, ECU controlled systems are considered
to be very intricate, requiring a high level of technical
knowledge to troubleshoot. However, most problem checking
procedures only involve inspecting the ECU controlled
system's c ...
