Toyota Sienna 2010-2019 Owners Manual: If the engine will not start
If the engine will not start even though correct starting procedures are being followed (, 228), consider each of the following points:
The engine will not start even though the starter motor operates normally.
One of the following may be the cause of the problem:
- There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
- The engine may be flooded.
Try to restart the engine again following correct starting procedures.
(, 228)
- There may be a malfunction in the engine immobilizer system.
The starter motor turns over slowly, the interior lights and headlights are dim, or the horn does not sound or sounds at a low volume.
One of the following may be the cause of the problem:
- The battery may be discharged.
- The battery terminal connections may be loose or corroded.
The starter motor does not turn over (vehicles with a smart key system)
The engine starting system may be malfunctioning due to an electrical problem such as an electronic key battery depletion or a blown fuse.
However, an interim measure is available to start the engine.
The starter motor does not turn over, the interior lights and headlights do not turn on, or the horn does not sound.
One of the following may be the cause of the problem:
- One or both of the battery terminals may be disconnected.
- The battery may be discharged.
- There may be a malfunction in the steering lock system (vehicle with a smart key system).
Contact your Toyota dealer if the problem cannot be repaired, or if repair procedures are unknown.
Emergency start function (vehicles with a smart key system)
When the engine does not start, the following steps can be used as an interim measure to start the engine if the engine switch is functioning normally:
- Set the parking brake.
- Shift the shift lever to P.
- Turn the engine switch to ACCESSORY mode.
- Press and hold the engine switch for about 15 seconds while depressing the brake pedal firmly.
Even if the engine can be started using the above steps, the system may be malfunctioning. Have the vehicle inspected by your Toyota dealer.
Stowing the spare tire
Lay down the tire with the outer
side (valve stem) facing up, and
install the holding bracket.
Turn the jack handle clockwise
to raise the tire until the tire is in
the correc ...
If the shift lever cannot
be shifted from P
If the shift lever cannot be shifted with your foot on the brake
pedal, there may be a problem with the shift lock system (a system
to prevent accidental operation of the shift lever). Have the
veh ...
Other materials:
Removal
1. REMOVE FRONT FENDER LINER LH
2. REMOVE FRONT FENDER LINER RH
3. REMOVE FRONT BUMPER COVER
4. REMOVE FRONT BUMPER ENERGY ABSORBER
5. REMOVE FRONT BUMPER REINFORCEMENT SUBASSEMBLY
6. REMOVE LASER SENSOR
Disconnect the connector and remove the laser the
sensor.
...
Meter Illumination does not Dim at Night
DESCRIPTION
Confirm that the vehicle is equipped with the optitron meter, then
check this circuit.
The combination meter assembly receives a auto dimmer signal from
the body ECU by the multiplex
communication line.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK MULTIP ...
Mass or Volume Air Flow Circuit/ Mass or Volume Air Flow Circuit Low Input/
Mass or Volume Air Flow Circuit High Input
DESCRIPTION
The Mass Air Flow (MAF) meter is a sensor that measures the amount of air
flowing through the throttle
valve. The ECM uses this information to determine the fuel injection time and to
provide appropriate airfuel
ratio. Inside the MAF meter, there is a heated platinum wire which is ...