2015 Toyota Corolla smart key locks and unlocks door but won't start engine

You could check the various fuses related to the starting system

Toyota Corolla (2012 – 2016) – fuse box diagram


Fuse box in engine compartment

Fuse Ampere rating Circuit
1 H-LP CLN 30 Headlight cleaner
2 RDI FAN 40 Electric cooling fan
3 ABS NO. 3*1 30 Anti-lock brake system, vehicle stability control system
4 ABS NO. 1 50 Anti-lock brake system, vehicle stability control system
5 HTR 50 Air conditioning system
6 ALT 120 A*1 RDI FAN, H-LP CLN, ABS NO. 1, ABS NO. 3, ABS NO. 2, HTR, HTR SUB NO. 1, HTR SUB NO. 2, HTR SUB NO. 3, STV HTR, ACC, CIG, METER, IGN, ECU-IG NO. 2, HTRIG, WIPER, WASHER, ECU-IG NO. 1, SEAT HTR, AM1, DOOR, STOP, FR DOOR, POWER, RR DOOR, RL DOOR, OBD, ACC-B, RR FOG, FR FOG, DEF, MIR HTR, TAIL, PANEL
140 A*2
7 EPS 60 Electric power steering
8 GLOW*2 80 Engine glow system
9 P-SYSTEM*1 30 No circuit
10 P/I 30 EFI MAIN, HORN, IG2
11 H-LP MAIN 50 H-LP LH LO, H-LP RH LO, H-LP LH HI, H-LP RH HI
12 AMT*7 50 Multi-mode manual transmission
13 SPARE 10 Spare fuse
14 SPARE 30 Spare fuse
15 SPARE 20 Spare fuse
16 ECU-B3*2 7,5 Multiport fuel injection system/ sequential multiport fuel injection system
17 ECU-B2 10 Multi-mode manual transmission, air conditioning system, smart entry & start system, power windows
18 ECU-B 10 Main body ECU, gauge and meters, vehicle stability control system, power door lock system, starting system, charging system
19 RAD NO. 1 15 Audio system
20 DOME 10 Interior lights, trunk light, vanity lights, smart entry & start system, wireless remote control, engine switch light
21 AM2 NO. 2 7,5 Main body ECU, multiport fuel injection system/sequential multiport fuel injection system, starting system
22 ALT-S 7,5 Charging system
23 TURN-HAZ 10 Turn signal lights
24 ETCS*1 10 Multiport fuel injection system/ sequential multiport fuel injection system
25 AM2 30 Starting system, IG2 NO. 2
26 STRG LOCK 20 Steering lock system
27 IGT/INJ*1 15 Multiport fuel injection system/ sequential multiport fuel injection system, starting system
28 EFI MAIN 20 A*1 Multiport fuel injection system/ sequential multiport fuel injection system, EFI NO. 1, EFI NO. 2
30 A*2
29 HORN 10 Horn
30 IG2 15 Multiport fuel injection system/ sequential multiport fuel injection system, starting system, IG2 NO. 2, IGN, METER
31 HTR SUB NO. 1 30 A*5 Air conditioning system
50 A*6
32 HTR SUB NO. 2 30 Air conditioning system
33 HTR SUB NO. 3 30 Air conditioning system
34 FR DEICER*1 20 No circuit
35 ABS NO. 2 30 Anti-lock brake system, vehicle stability control system
36 STV HTR*2 25 Power heater
37 WIP-S 7,5 Charging system
38 IG2 NO. 2 7,5 Starting system, AM2, AM2 NO. 2
39 EFI NO. 2 10 Multiport fuel injection system/ sequential multiport fuel injection system
40 EFI NO. 1 10 Multiport fuel injection system/ sequential multiport fuel injection system
41 H-LP RH HI 10 Right-hand headlight (high beam)
42 H-LP LH HI 10 Left-hand headlight (high beam)
43 H-LP RH LO 10 A*3 Right-hand headlight (low beam)
15 A*4
44 H-LP LH LO 10 A*3 Left-hand headlight (low beam)
15 A*4
*1: Vehicles with a gasoline engine

*2: Vehicles with a diesel engine

*3: Vehicles without discharge headlights (low beam)

*4: Vehicles with discharge headlights (low beam)

*5: Vehicles with a 495W PTC heater

*6: Vehicles with a 600W PTC heater

*7: Vehicles with a multi-mode manual transmission

Part 2

Fuse box in instrument panel (type A)

Fuse Ampere rating [A] Circuit
1 TAIL 10 Front position lights, tail lights, license plate lights, rear fog light, front fog lights, manual headlight leveling dial, multiport fuel injection system/sequential multiport fuel injection system, instrument cluster lights
2 PANEL 7,5 Switch illumination, instrument cluster lights, main body ECU
3 FR DOOR 20 Power windows
4 RL DOOR 20 Power windows
5 RR DOOR 20 Power windows
6 SUNROOF 20 No circuit
7 CIG 15 Cigarette lighter
8 ACC 7,5 Outside rear view mirrors, audio system, main body ECU, smart entry & start system, rear view monitor system
9 MIR HTR 10 Outside rear view mirror defoggers, multiport fuel injection system/ sequential multiport fuel injection system
10 RR FOG 7,5 Rear fog light
11 IGN 7,5 Steering lock system, SRS airbag system, multi-mode manual transmission, multiport fuel injection system/sequential multiport fuel injection system, smart entry & start system, charging system, starting system
12 METER 7,5 Gauge and meters
13 SEAT HTR 15 Seat heaters
14 HTR-IG 10 Air conditioning system, rear window defogger, power heater
15 WIPER 25 Windshield wipers, rain sensor
16 WASHER 15 Windshield washer
17 ECU-IG NO. 1 10 Automatic headlight leveling system, main body ECU, electric power steering, electric cooling fan, shift lock control system, rain sensor, anti-lock brake system, vehicle stability control system, headlight cleaner
18 ECU-IG NO. 2 10 Back-up lights, charging system, auto anti-glare inside rear view mirror, rear window defogger, air conditioning system, emergency flashers, front passenger’s seat belt reminder light, rear view monitor system, multiport fuel injection system/sequential multiport fuel injection system
19 OBD 7,5 On-board diagnosis system
20 STOP 10 Stop lights, high mounted stoplight, anti-lock brake system, main body ECU, multiport fuel injection system/sequential multiport fuel injection system, multi-mode manual transmission, shift lock control system
21 DOOR 25 Power door lock system
22 ACC-B 25 CIG, ACC
23 FR FOG 15 Front fog lights
24 AM1 7,5 Starting system, shift lock control system, multiport fuel injection system/sequential multiport fuel injection system

Could not find and blown fuses.
My first key works fine to start the car but only operates as a key, not a smart key.
Is there anything else I can try?

Could not find and blown fuses.
My first key works fine to start the car but only operates as a key, not a smart key.
Is there anything else I can try?

Ask the previous owner if it ever worked ? If you've tried reprogramming and the videos on you tube as you say , not much more I can think of .