DTC P0335-62: Crankshaft Position Sensor "A" Signal Compare Failure [10/2022 - ]: Procedure

Pre-procedure1

• Enter the following menus: Powertrain / Engine / Trouble Codes.

  Powertrain > Engine > Trouble Codes 

• Read the DTCs

  Result

  Result	Proceed to
  DTCs are output	A
  DTCs are not output	B

Post-procedure1

• None.

Result: 

A 

GO TO SFI SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2022 - 08/2023]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2023 - 10/2024]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2024 - ] 

Result: 

B 

See step  2

Pre-procedure1

• Start the engine.

• According to the display on the GTS, read the Data List.

  Powertrain > Stop and Start > Data List 

  Tester Display
  Engine Speed

  OK

  Engine speed signal is input (the speeds displayed on the tachometer and the GTS are almost the same).

  Result

  Proceed to
  OK
  NG

Post-procedure1

• None.

Result: 

OK 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - ] 

Result: 

NG 

See step  3

Pre-procedure1

• Disconnect the engine stop and start ECU connector.
• Disconnect the ECM connector.
• Disconnect the certification ECU (smart key ECU assembly) connector.
• Disconnect the stereo component equalizer assembly connector.

• Measure the resistance according to the value(s) in the table below.

  Standard Resistance

  Tester Connection	Condition	Specified Condition	Result
  A25-10 (NE) - A16-19 (NEO)	Always	Below 1 Ω	Ω
  A25-10 (NE) - Body ground	Always	10 kΩ or higher	kΩ
  A16-19 (NEO) - Body ground	Always	10 kΩ or higher	kΩ

  Result

  Proceed to
  OK
  NG

Post-procedure1

• None.

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  4

Pre-procedure1

• Disconnect the engine stop and start ECU connector.

• Measure the resistance according to the value(s) in the table below.

  Standard Resistance

  Tester Connection	Condition	Specified Condition	Result
  A25-6 (DGND) - Body ground	Always	Below 1 Ω	Ω

  Result

  Proceed to
  OK
  NG

Post-procedure1

• None.

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  5

Pre-procedure1

• Connect an oscilloscope to the NE and DGND terminals of the engine stop and start ECU connector.

  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

  *a

  Component with harness connected (Engine Stop and Start ECU)

  -

  -

• Start the engine.

• Check the signal waveform according to the condition(s) in the table below.

  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

  Item	Condition
  Tester Connection	A25-10 (NE) - A25-6 (DGND)
  Tool Setting	5 V/DIV., 2 ms./DIV.
  Condition	Idling with warm engine

  Result

  Result	Proceed to
  Pulse generation (See waveform)	A
  Stuck at 0 to 1.5 V	B
  Stuck at 8 to 14 V	C

Post-procedure1

• None.

Result: 

A 

REPLACE ENGINE STOP AND START ECU. Refer to  REMOVAL [10/2022 - ] 

Result: 

C 

GO TO SFI SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - ] 

Result: 

B 

See step  6

Pre-procedure1

• Disconnect the ECM connector.

  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

  *a

  Component with harness connected (Engine Stop and Start ECU)

  -

  -

• Turn the ignition switch to ON.

• Measure the voltage according to the value(s) in the table below.

  Standard Voltage

  Tester Connection	Condition	Specified Condition	Result
  A25-10 (NE) - A25-6 (DGND)	Ignition switch ON	8 to 14 V	V

  HINT: 

  DTCs may be stored during this inspection. Check for DTCs and clear them using the GTS.

  Result

  Proceed to
  OK
  NG

Post-procedure1

• None.

Result: 

OK 

GO TO SFI SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - ] 

Result: 

NG 

REPLACE ENGINE STOP AND START ECU. Refer to  REMOVAL [10/2022 - ]