Toyota Sienna Service Manual: Basic inspection
When a malfunction is not confirmed by the DTC check, troubleshooting should be carried out in all circuits considered to be possible causes of the problem. In many cases, by carrying out the basic engine check shown in the following flowchart, the location of the problem can be found quickly and efficiently. Therefore, using this check is essential when engine troubleshooting.
1 CHECK BATTERY VOLTAGE
| NOTICE: Carry out this check with the engine stopped and ignition switch off. |
Result 
2 CHECK WHETHER ENGINE CRANKS
3 CHECK WHETHER ENGINE STARTS
4 CHECK AIR FILTER
(a) Visually check that the air filter is not excessively contaminated with dirt or oil.
5 CHECK IDLING SPEED
(a) Check the idling speed (See page EM-2).
6 CHECK FUEL PRESSURE
(a) Check the fuel pressure (See page FU-7).
7 CHECK FOR SPARKS
(a) Check for sparks (See page ES-217).
PROCEED TO PROBLEM SYMPTOMS TABLE
Check for intermittent problems
1. CHECK FOR INTERMITTENT PROBLEMS
HINT:
For use of the intelligent tester only:
Inspect the vehicle's ECM using check mode.
Intermittent problems are easier to detect with an
intelligent teste ...
Registration
NOTICE:The Vehicle Identification Number (VIN) must be
input
into the replacement ECM.
HINT:
The VIN is a 17-digit alphanumeric vehicle identification
number. The intelligent tes ...
Other materials:
Engine Coolant Temperature / Intake Air Temperature
Correlation
DTC P011B Engine Coolant Temperature / Intake Air Temperature
Correlation
DESCRIPTION
The ECM calculates the difference between the readings of the coolant
temperature sensor and intake air
temperature sensor. If the difference is greater than 20C (68F), the ECM will
judge this as a malfunct ...
Installation
1. INSTALL REAR NO. 2 SEAT ASSEMBLY
Lock the seat leg rear to the floor striker.
Lock the seat leg front to the floor striker.
Install the rear No. 2 seat assembly with the 8 bolts.
Torque: 19 N*m (194 kgf*cm, 14 ft.*lbf)
NOTICE:
Tighten the bolts in the order sho ...
Installation
1. INSTALL FRONT DOOR WINDOW FRAME MOULDING
Remove the tape from the front door window frame
moulding.
Clean the contact surface of the vehicle body with
white gasoline.
Clean the outer circumference of the front door
window frame moulding with white gasoline.
Apply new double-si ...