Toyota Sienna Service Manual: Removal
1. REMOVE NO. 1 ENGINE UNDER COVER (See page EM-26) 2. REMOVE EXHAUST PIPE ASSEMBLY for 2WD:(See page EX-2) for 4WD:(See page EX-8) 3. DRAIN ENGINE COOLANT (See page CO-6) 4. DRAIN ENGINE OIL (See page LU-4) 5. REMOVE NO. 2 MANIFOLD STAY (See page EM-39) 6. REMOVE NO. 2 EXHAUST MANIFOLD HEAT INSULATOR (See page EM-40) 7. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY LH (See page EM-40) 8. REMOVE ENGINE OIL COOLER
(a) Remove the bolt, 2 clamps, and 4 clips and disconnect the 2 water by-pass hoses.
(b) Remove the oil cooler union bolt, oil cooler assembly, and O-ring.
INSPECTION
1. INSPECT ENGINE OIL COOLER
(a) Check the engine oil cooler for damage or clogging.
If necessary, replace the oil cooler.
Engine oil cooler
Components
...
Installation
1. INSTALL ENGINE OIL COOLER
(a) Clean the oil cooler contact surface on the cooler
mounting.
(b) Install a new O-ring to the oil cooler.
(c) Install the oil cooler assembly with the uni ...
Other materials:
Fail-safe chart
1. FAIL-SAFE
This function minimizes the loss of the ECT functions
when any malfunction occurs in a sensor or solenoid.
(a) ATF (Automatic Transmission Fluid) temperature
sensor:
When the ATF temperature sensor has a
malfunction, 5th upshift is prohibited.
(b) Counter gear speed sensor NC ...
On-vehicle inspection
1. INSPECT FOR FUEL PUMP OPERATION AND FUEL
LEAK
(a) Check fuel pump operation.
(1) Connect the intelligent tester to the DLC3.
(2) Turn the engine switch on (IG) and push the
intelligent tester main switch on.
NOTICE:
Do not start the engine.
(3) Select the following menu it ...
Open or Short Circuit in ABS Motor Relay Circuit
DESCRIPTION
The ABS motor relay supplies power to the ABS pump motor. While the ABS &
TRAC & VSC are
activated, the ECU switches the ABS motor relay ON and operates the ABS pump
motor.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 PERFORM ACTIVE TEST USING INTELLIGENT TESTER (AB ...
