Toyota Sienna Service Manual: Removal
1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM (See page AC-172)
2. REMOVE NO. 2 AIR CLEANER INLET (See page EM- 28)
3. REMOVE FRONT BUMPER ASSEMBLY (See page ET-3)
4. DISCONNECT DISCHARGE HOSE SUB-ASSEMBLY
(a) Remove the bolt and disconnect the discharge hose sub-assembly from the cooler condenser core.
(b) Remove the O-ring from the discharge hose subassembly.
NOTICE: Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.
5. DISCONNECT COOLER REFRIGERANT LIQUID PIPE A
(a) Remove the bolt and disconnect the cooler refrigerant liquid pipe A from the cooler condenser core.
(b) Remove the O-ring from the cooler refrigerant liquid pipe A.
NOTICE: Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.
6. REMOVE NO. 1 AIR CLEANER INLET (See page EM- 28)
7. REMOVE HOOD LOCK RELEASE LEVER PROTECTOR (See page CO-29)
8. REMOVE HOOD LOCK ASSEMBLY (See page CO-29)
9. REMOVE HOOD LOCK SUPPORT SUB-ASSEMBLY (See page CO-29)
10. DISCONNECT COOLING FAN ECU CONNECTOR (See page CO-30)
11. REMOVE UPPER RADIATOR SUPPORT SUBASSEMBLY (See page CO-30)
12. DISCONNECT NO. 2 OIL COOLER OUTLET TUBE SUB-ASSEMBLY
(a) Remove the 2 bolts and No. 2 oil cooler outlet tube sub-assembly.
13. REMOVE RADIATOR SUPPORT CUSHION (See page CO-32)
14. REMOVE NO. 1 RADIATOR SUPPORT (See page CO- 32)
15. REMOVE COOLER CONDENSER CORE
(a) Remove the 2 screws and cooler condenser core.
On-vehicle inspection
1. INSPECT COOLER CONDENSER CORE
(a) If the fin of the cooler condenser core is dirty, clean
it with water and dry it with compressed air.
NOTICE:
Do not damage the fin of the cooler condenser
co ...
Disassembly
1. REMOVE COOLER DRYER
(a) Using a hexagon wrench 14 mm (0.55 in.), remove
the cap from the modulator.
(b) Remove the O-ring from the cap.
(c) Using needle nose pliers, remove the cool ...
Other materials:
Rear washer motor
ON-VEHICLE INSPECTION
1. INSPECT REAR WASHER MOTOR
Pour the water into the washer jar with the rear
washer motor assembly installed to the washer jar
assembly.
Connect the battery (+) to the terminal 1 of the rear
washer motor assembly, the battery (-) to the
terminal ...
On-vehicle inspection
1. CHECK POWER REAR NO. 2 SEAT with STOWING FUNCTION
Check the basic functions.
Operate the fold seat switch and power rear
No.2 seat switch and check to make sure each
seat function works:
Folding-down operation
Stowing operation
Return operation
...
Problem symptoms table
RESULT LIST OF CHECK CAN BUS LINE
Symptom
Suspected Area
All ECUs and sensors connected to the CAN
communication system are not displayed on intelligent
tester
CAN Bus Line
The result of "CAN BUS WIRE CHECK" is "Open in
CAN Main Bus Lin ...
