DTC P0192: Fuel Rail Pressure Sensor Circuit Low Input; DTC P0193: Fuel Rail Pressure Sensor Circuit High Input [10/2015 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Put the engine in inspection mode (maintenance mode).

   Powertrain > Hybrid Control > Utility 

   Tester Display
   Inspection Mode

5. Start the engine.
6. Enter the following menus: Powertrain / Engine and ECT / Data List / Fuel Press.

   Powertrain > Engine and ECT > Data List 

   Tester Display
   Fuel Press

7. Read the values.

   OK

   1800 to 2800 kPag (idling, warmed up engine).

   Result

   Fuel Press (kPag)	Proceed to
   Approximately 33000 or higher	A
   Approximately 0
   (1800 to 2800)*	B

   HINT: 

   *: The value must change when the engine is moving or stationary.

Result: 

B 

CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS [10/2015 - ] 

Result: 

A 

See step  2

1. Disconnect the fuel pressure sensor (for high pressure side) connector.
2. Disconnect the ECM assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   D61-1 (VC) - D1-117 (VCPR)	Always	Below 1 Ω
   D61-3 (PR) - D1-86 (PR)	Always	Below 1 Ω
   D61-2 (E2) - D1-85 (EPR)	Always	Below 1 Ω
   D61-1 (VC) or D1-117 (VCPR) - Body ground and other terminals	Always	10 kΩ or higher
   D61-3 (PR) or D1-86 (PR) - Body ground and other terminals	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  3

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the fuel pressure sensor (for high pressure side) connector.
2. Turn the power switch on (IG).
3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   D61-1 (VC) - D61-2 (E2)	Power switch on (IG)	4.75 to 5.25 V

   Result

   Proceed to
   OK
   NG

   HINT: 

   Perform "Inspection After Repair" after replacing the fuel pressure sensor (for high pressure side).

   Refer to INITIALIZATION [10/2015 - ]

Result: 

OK 

REPLACE FUEL DELIVERY PIPE WITH SENSOR ASSEMBLY LH (FUEL PRESSURE SENSOR (FOR HIGH PRESSURE SIDE)). Refer to  REMOVAL [10/2015 - 08/2016]  , or refer to  REMOVAL [08/2016 - 08/2019]  , or refer to  REMOVAL [08/2019 - ] 

Result: 

NG 

REPLACE ECM ASSEMBLY. Refer to  REMOVAL [10/2015 - 08/2016]  , or refer to  REMOVAL [08/2016 - 03/2018]  , or refer to  REMOVAL [03/2018 - 08/2019]  , or refer to  REMOVAL [08/2019 - ]