DTC B2286: Runnable Signal Malfunction; DTC P0335: Crankshaft Position Sensor Circuit Malfunction (NE Signal) [11/2017 - 10/2022]: 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 or Starting Control / Data List.
5. Read the Data List according to the display on the Techstream.

   Body Electrical > Power Source Control > Data List 

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

   Body Electrical > Power Source Control > Data List 

   Tester Display
   Engine Condition

   Body Electrical > Starting Control > Data List 

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

   Body Electrical > Starting Control > Data List 

   Tester Display
   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) 

for 2GR-FKS: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - ]

for 8AR-FTS: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ]

Result: 

NG 

See step  2

See step  1

Result

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR IN CIRCUIT CONNECTED TO POWER SOURCE 

Result: 

OK 

See step  3

See step  2

Result

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  4

1. Disconnect the A13 certification ECU (smart key ECU assembly) connector.
2. Disconnect the A91*1 or A82*2 ECM connector.
   1. *1: for 2GR-FKS
   2. *2: for 8AR-FTS
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   FOR 2GR-FKS:
   
   

   Tester Connection	Condition	Specified Condition
   A13-14 (NE) - A91-30 (NEO)	Always	Below 1 Ω
   A13-14 (NE) or A91-30 (NEO) - Body ground	Always	10 kΩ or higher

   Standard Resistance

   FOR 8AR-FTS:
   
   

   Tester Connection	Condition	Specified Condition
   A13-14 (NE) - A82-30 (NEO)	Always	Below 1 Ω
   A13-14 (NE) or A82-30 (NEO) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  5

1. Reconnect the A13 and O6 certification ECU (smart key ECU assembly) connectors.
2. Reconnect the A91*1 or A82*2 ECM connector.
   1. *1: for 2GR-FKS
   2. *2: for 8AR-FTS
3. Using an oscilloscope, check the engine speed input signal waveform at the terminal of the certification ECU (smart key ECU assembly).

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard Frequency

   Tester Connection	Condition	Specified Condition
   A13-14 (NE) - Body ground	Engine stopped	No pulse generation
   	Engine running	Pulse generation

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE SMART KEY ECU ASSEMBLY. Refer to  REMOVAL [09/2014 - ] 

Result: 

NG 

GO TO SFI SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) 

for 2GR-FKS: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - ]

for 8AR-FTS: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ]