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:
Fuel tank
Components
REMOVAL
1. DISCHARGE FUEL SYSTEM PRESSURE
(See page FU-1)
2. REMOVE CHARCOAL CANISTER PROTECTOR (See
page FU-30)
3. REMOVE REAR FLOOR NO. 2 CROSSMEMBER BRACE LH
(a) Remove the 2 bolts and the rear floor No. 2
crossmember brace LH.
4. REMOVE FUEL TANK FILLER HOSE COVER ...
Passenger Side Buckle Switch Circuit Malfunction
DTC B1771 Passenger Side Buckle Switch Circuit Malfunction
DESCRIPTION
The passenger side buckle switch circuit consists of the occupant
classification ECU and the front seat
inner belt assembly RH.
DTC B1771 is recorded when a malfunction is detected in the passenger side
buckle switch ci ...
Rear Speed Sensor RH Circuit
DESCRIPTION
Refer to DTCs C0200/31, C0205/32, C1235/35, and C1236/36 (See page BC-17).
DTCs C1273/73 to C1278/78 can be deleted when the speed sensor sends a vehicle
speed signal or the
Test Mode ends. DTCs C1273/73 to C1278/78 are output only in the Test Mode.
HINT:
DTC C0210/33 ...
