Toyota Sienna 2010-2024 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:
Insufficient Coolant Temperature for Closed Loop Fuel Control
DESCRIPTION
Refer to DTC P0115 (See page ES-133).
MONITOR DESCRIPTION
The resistance of the ECT sensor varies in proportion to the actual ECT. The
ECM supplies a constant
voltage to the sensor and monitors the signal output voltage of the sensor. The
signal voltage output
varies acc ...
Cranking Holding Function Circuit
DESCRIPTION
The system detects the ignition switch's starting signal (STSW) and then
supplies current to the starter
until the ECM judges that the engine has started successfully. The purpose is to
reduce the holding time
of the ignition key.
WIRING DIAGRAM
Refer to DTC P0617 (See page ...
Installation
1. INSTALL 3 POINT TYPE NO. 2 REAR SEAT BELT ASSEMBLY
Check the degree of tilt when the belt begins to lock
the ELR.
Check that the belt does not lock within 15 of
tilt in all directions but that the belt locks with
over 45 of tilt, when gently moving the
retractor. ...
