Toyota Sienna Service Manual: On-vehicle inspection
1. INSPECT COOLING FAN SYSTEM
(a) Put the vehicle in the following conditions
(1) The engine switch is off.
(2) The coolant temperature is less than 95°C (203°F).
(3) The battery voltage is between 9 and 14 V.
(4) The A/C switch is OFF.
(b) Clamp the 400 A probe of an ammeter over the M+ wire of each cooling fan motor.
(c) Turn the ignition switch to the ON position and wait for approximately 10 seconds. Check that the fan stops.
(d) Start the engine. Check that the fan stops with the engine idling.
HINT:
- Make sure that the radiator engine coolant temperature is less than 95°C (203°F).
- Turn the A/C switch OFF.
(e) Check that the fan operates when the A/C switch is turned ON (MAX COOL and the magnetic clutch is operating).
Standard current
HINT:
The coolant temperature is less than 95°C (203°F).
(f) Check that the fan operates when the engine coolant temperature sensor connector is disconnected.
Standard current
(g) After the engine is warmed up, check that the fan operates as shown in the illustration.
HINT:
- The coolant temperature at which the fan starts operating is approximately 95°C (203°F).
- This system can also be checked using the intelligent tester
- Select the following menu items: Powertrain / Engine / Data List / Initial Engine Coolant Temp.
Precaution
NOTICE:
When the ignition switch is turned off and the engine
temperature is high, the cooling fans may operate for
approximately 3 minutes.
After turning the ignition switch of ...
Coolant
Replacement
1. REMOVE NO. 1 ENGINE UNDER COVER (See page
EM-26)
2. REMOVE V-BANK COVER SUB-ASSEMBLY (See
page EM-28)
3. DRAIN ENGINE COOLANT
(a) Loosen the radiator drain cock plug.
HINT:
...
Other materials:
ECM Communication Circuit Malfunction
DTC C1203/53 ECM Communication Circuit Malfunction
DESCRIPTION
The circuit is used to send TRAC and VSC control information from the skid
control ECU to the ECM, and
engine control information from the ECM to the skid control ECU through the CAN
communication
system.
INSPECTION PROCEDURE
1 ...
TS and CG Terminal Circuit
DESCRIPTION
In the sensor check mode, a malfunction of the speed sensor that cannot be
detected when the vehicle is
stopped is detected while driving.
Transition to the sensor check mode can be performed by connecting terminals TS
and CG of the DLC3
and turning the ignition switch from off ...
Glove boxes
Upper glove box
Push the button.
Open the lid.
Lower glove box
The lower glove box can be opened by pulling the lever and can be
locked and unlocked by using the master key (vehicles without a
smart key) or the mechanical key (vehicles with a smart key system).
Unlo ...
