Toyota 2016 Prius - If the Hybrid System will Not Start

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PRIUS_OM_OM47A29U_(U)
8-2. Steps to take in an emergency
If the hybrid system will not start
One of the following may be the cause of the problem:
● The electronic key may not be functioning properly.
* (P. 708)
● There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle. (P. 84)
● There may be a malfunction in the immobilizer system.
* (P. 8 9)
● There may be a malfunction in the shift control system.
*
(P. 228, 671)
● The hybrid system may be malfunctioning due to an electrical prob-
lem such as electronic key battery depletion or a blown fuse. How-
ever, depending on the type of malfunction, an interim measure is
available to start the hybrid system. (P. 707)
● There is a possibility that the temperature of the hybrid battery
(traction battery) is extremely low (approximately below -22°F
[-30°C]). (P. 84, 228)
*: It may not be possible to shift the shift position other than P.
One of the following may be the cause of the problem:
● The 12-volt battery may be discharged. (P. 7 11 )
● The 12-volt battery terminal connections may be loose or corroded.
(P. 598)
Reasons for the hybrid system not starting vary depending on
the situation. Check the following and perform the appropriate
procedure:
The hybrid system will not start even though the correct starting
procedure is being followed. (P. 225)
The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume.