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:
Speed sensor check (when using intelligent tester)
(a) Check the backward signal.
(1) Drive the vehicle in reverse for more than 1
second at 3 km/h (2 mph) or higher.
HINT:
Drive the vehicle in reverse and check the speed
sensor signal. Note that the signal check cannot
be completed if the vehicle speed is 45 km/h (28
mph) or more.
(b) Che ...
DSP Error
DTC 44-78 DSP Error
DESCRIPTION
DTC No.
DTC Detecting Condition
Trouble Area
44-78
An error occurs during the decode process (MP3/
WMA).
-
INSPECTION PROCEDURE
HINT:
After the inspection is completed, clear the DTCs.
NOTICE:
Thi ...
Evaporative Emission System Reference Orifice
DTC SUMMARY
HINT:
The 0.02 inch orifice is located inside the pump module.
DESCRIPTION
The circuit description can be found in the EVAP (Evaporative Emission)
System (See page ES-409).
INSPECTION PROCEDURE
Refer to the EVAP System (See page ES-412).
MONITOR DESCRIPTION
5 hours*1 af ...
