If The Hybrid System Will Not Start - Toyota 2014 Prius Manual

5-2. Steps to take in an emergency

If the hybrid system will not start

Reasons for the hybrid system not starting vary depending on the
situation. Check the following and perform the appropriate proce-
dure:
■
The hybrid system will not start even though the correct
starting procedure is being followed. (P. 160, 164)
One of the following may be the cause of the problem:
● Vehicles with a smart key system: The electronic key may not
be functioning properly. (P. 479)
● There may not be sufficient fuel in the vehicle's tank.
Refuel the vehicle. (P. 105)
● Vehicles with immobilizer system: There may be a malfunc-
tion in the immobilizer system. (P. 110)
● There may be a malfunction in the steering lock system.
● Vehicles with a smart key system: The hybrid system may be
malfunctioning due to an electrical problem such as an open
circuit or a blown fuse. However, depending on the type of
malfunction, an interim measure is available to start the hybrid
system. (P. 476)
■
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 12-volt battery may be discharged. (P. 481)
● The 12-volt battery terminal connections may be loose or cor-
roded.
5
475