Toyota Sienna Service Manual: Thermostat

Installation

1. INSTALL WATER PUMP ASSEMBLY (a) Install a new water pump gasket and the water pump assembly with the 16 bolts. Torque: Bolt A 21 N*m (214 kgf*cm, 15 ft.*lbf) Bolts B and C 9.1 N*m (93 kgf ...

Removal

1. REMOVE V-BANK COVER SUB-ASSEMBLY (See page EM-28) 2. REMOVE NO. 1 ENGINE UNDER COVER (See page EM-26) 3. DRAIN ENGINE COOLANT (See page CO-6) 4. REMOVE FRONT WHEEL RH 5. REMOVE FRONT FENDER A ...

Other materials:

Terminals of ECM
1. SFI SYSTEM HINT: The standard normal voltage between each pair of the ECM terminals is shown in the table below. The appropriate conditions for checking each pair of the terminals are also indicated. The check results should be compared with the standard normal voltage for that pair of ...

How to proceed with troubleshooting
HINT: *: Use the intelligent tester. 1 VEHICLE BROUGHT TO WORKSHOP 2 CUSTOMER PROBLEM ANALYSIS (a) Confirm problem symptoms 3 CHECK MULTIPLEX COMMUNICATION SYSTEM* Check if the multiplex communication system DTC is output. HINT: The center airbag sensor assembly of this system ...

System check
HINT: Performing a SYSTEM CHECK enables the system, which consists of the multiple actuators, to be operated without removing any parts. In addition, it can show whether or not any DTCs are set, and can detect potential malfunctions in the system. The SYSTEM CHECK can be performed with an inte ...