DTC B2286: Runnable Signal Malfunction; DTC P0335: Crankshaft Position Sensor Circuit Malfunction (NE Signal) [08/2019 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Power Source Control / Data List.
5. Read the Data List according to the display on the Techstream.
   POWER SOURCE CONTROL
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Engine Condition	Engine state/ Stop or Run	Stop: Engine stopped Run: Engine running	-

6. Enter the following menus: Body Electrical / Starting Control / Data List.
7. Read the Data List according to the display on the Techstream.
   STARTING CONTROL
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Engine Speed	Engine speed/ 0 to 16383 rpm	Fluctuates in accordance with engine speed	-

   OK

   The Techstream display changes correctly in response to the engine condition.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

GO TO SFI SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - ] 

Result: 

NG 

See step  2

1. Disconnect the J197 certification ECU (smart key ECU assembly) connector.
2. Disconnect the A24 ECM connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J197-14 (NE) - A24-41 (NEO)	Always	Below 1 Ω
   J197-14 (NE) or A24-41 (NEO) - Other terminals and body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  3

1. Reconnect the certification ECU (smart key ECU assembly) connector.
   Fig 1: Certification ECU Connector End View

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component with harness connected (Certification ECU (Smart Key ECU Assembly))

2. Reconnect the A24 ECM connector.
3. Using an oscilloscope, check the engine speed input signal waveform at the terminal of the certification ECU (smart key ECU assembly).

   OK

   Tester Connection	Condition	Specified Condition
   J197-14 (NE) - Body ground	Engine stopped	No pulse generation
   	Engine running	Pulse generation

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [08/2019 - ] 

Result: 

NG 

GO TO SFI SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - ]