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
- Visually check that the air filter is not excessively contaminated with dirt or oil.
5 CHECK IDLING SPEED
- Check the idling speed
6 CHECK FUEL PRESSURE
- Check the fuel pressure
7 CHECK FOR SPARKS
- Check for sparks
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 tester is required ...
Other materials:
Smart key system
The following operations can be performed simply by carrying
the electronic key on your person, for example in your pocket.
The driver should always carry the electronic key.
Locks and unlocks the doors
Front door handles
Sliding door handles
Back door
Starts and stops the ...
Calibration
1. SELECT COMPASS DISPLAY MODE
The MODE switch allows you to select the Display
or Non-display mode of the compass.
HINT:
In compass display mode, the display indicates
outside temperature/average fuel consumption/
instantaneous fuel consumption/distance to empty
with compass.
2. ...
Heated steering
wheel/seat heaters
Heated steering wheel and seat heaters heat the side grips of the
steering wheel and seats, respectively.
WARNING
Care should be taken to prevent injury if anyone in the
following categories
comes in contact with the steering wheel and seats when the heater
is on:
...