Toyota Sienna Service Manual: Terminals of ecu
1. Terminal of ECU
(*1): Models with dynamic laser cruise control (*2): 2WD model
2. Terminal Inspection
(a) Disconnect the connector and measure the voltage or resistance on the wire harness side.
HINT: Voltage cannot be measured with the connector connected to the skid control ECU because the connector is watertight.
Standard 
(*1): 2WD model
Yaw rate sensor check (when using sst check wire)
(a) Check the zero point voltage of the yaw rate sensor.
(1) Keep the vehicle in a stationary condition on a
level surface for 1 second or more.
(b) Check the output of the yaw rate sensor.
...
Dtc check / clear
1. DTC CHECK/CLEAR (WHEN USING INTELLIGENT TESTER):
(a) DTC check
(1) Connect the intelligent tester to the DLC3.
(2) Turn the ignition switch to the ON position.
(3) Read the DTCs followi ...
Other materials:
Precaution
1. PRECAUTION OF HEADLIGHT BULB
REPLACEMENT
When any defects such as deformation, crack, dent,
chipping, etc. are identified on the discharge
headlight (especially, on the light control ECU),
replace it with a new one.
Even if the operation seems to be normal, the failsafe
...
Installation
HINT:
Install the RH side by the same procedures with LH side.
1. INSTALL FRONT SPEED SENSOR LH
(a) Install the speed sensor front LH with the bolt.
Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf)
NOTICE:
Keep the tip of the front speed sensor LH.
(b) Install the sensor harness clamps with th ...
Audio system types
Entune Audio
Entune Audio Plus/Entune Premium Audio with Navigation
Owners of models equipped with a navigation system should refer to
the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S
MANUAL”.
Using cellular phones
Interference may be heard through the audio system’s speakers if a c ...
