DTC B2286: Runnable Signal Malfunction; DTC P0335: Crankshaft Position Sensor Circuit Malfunction (NE Signal): 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. According to the display on the Techstream, read the Data List.
   POWER SOURCE CONTROL
   
   

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

   STARTING CONTROL
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Engine Speed	Engine speed/0 to 16383 r/min	Changes according to engine speed	-

   OK

   ON (engine stopped) or OFF (engine running) appears on the screen according to the engine condition.

NG → See step   2 

OK → See step   6 

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

OK: Go to next step 

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the A35 power management control ECU connector.
2. Disconnect the A39 ECM connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A35-4 (NE) - A39-7 (NEO)	Always	Below 1 Ω
   A35-4 (NE) or A39-7 (NEO) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Reconnect the power management control ECU connectors.
   Fig 1: Inspecting A35 Power Management Control ECU Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   TEXT IN ILLUSTRATION
   
   

   *a

   Component with harness connected (Power Management Control ECU)

   -

   -

2. Check the engine speed input signal waveform at the terminal of the power management control ECU.

   Standard Frequency

   Tester Connection	Condition	Specified Condition
   A35-4 (NE) - Body ground	Engine stopped	No pulse generated
   	Engine running	Pulse generated (1000 RPM: 200 Hz)

NG → See step   8 

OK → See step   7