DTC P1603-00: Engine Stall History [06/2018 - 08/2021]: 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: Powertrain / Engine / Trouble Codes.
5. Read the DTCs.

   Powertrain > Engine > Trouble Codes 

   Result

   Result	Proceed to
   Only DTC P1603-00 is output	A
   DTCs other than P1603-00 are output	B

   HINT: 

   • When DTC P1603-00 and P1605-00 are output simultaneously, perform the troubleshooting for P1605-00 first.
   • Using freeze frame data, confirm the conditions the moment the DTC was stored and after the DTC was stored. This information can be useful when troubleshooting.

Result: 

B 

GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [06/2018 - 07/2019]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [07/2019 - 08/2020]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2020 - 08/2021] 

Result: 

A 

See step  2

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Using the Techstream, confirm the vehicle conditions recorded in the freeze frame data which were present when the DTC was stored.

   Refer to FREEZE FRAME DATA [06/2018 - 07/2019] , or refer to FREEZE FRAME DATA [07/2019 - 08/2020] , or refer to FREEZE FRAME DATA [08/2020 - ]

   Result

   Freeze Frame Data Item for DTC P1603-00	Result	Suspected Area	Action	Proceed to
   ISC F/B Learn Torque	Less than 30 Nm	-	Go to the next step	A
   	30 Nm or higher	Throttle body with motor assembly	Go to ENGINE STALLS (from step 11)	B

Result: 

B 

GO TO ENGINE STALLS. Refer to  Engine Stalls [06/2018 - 07/2019]  , or refer to  Engine Stalls [07/2019 - 08/2021] 

Result: 

A 

See step  3

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Using the Techstream, confirm the vehicle conditions recorded in the freeze frame data which were present when the DTC was stored.

   Refer to FREEZE FRAME DATA [06/2018 - 07/2019] , or refer to FREEZE FRAME DATA [07/2019 - 08/2020] , or refer to FREEZE FRAME DATA [08/2020 - ]

   Result

   Freeze Frame Data Item for DTC P1603-00			Suspected Area	Action	Proceed to
   A/F (O2) Sensor Voltage B1S1 and A/F (O2) Sensor Voltage B2S1	Short FT B1S1 and Short FT B2S1	Long FT B1S1 and Long FT B2S1
   2.8 V to 3.8 V	-15% to 15%	-15% to 15%	-	Go to ENGINE STALLS	NEXT
   3.8 V or higher	15% or higher	-	Fuel pump	Go to ENGINE STALLS (from step 20)
   Less than 2.8 V, or 3.8 V or higher	Less than -15%, or 15% or higher	Less than -15%, or 15% or higher	Mass air flow meter sub-assembly Air fuel ratio sensor Fuel pump	Go to ENGINE STALLS (from step 15)*

   HINT: 

   *: If the value of A/F (O2) Sensor Voltage B1S1, A/F (O2) Sensor Voltage B2S1, Short FT B1S1, Short FT B2S1, Long FT B1S1 or Long FT B2S1 is as specified, malfunction of a component listed in the "Suspected Area" column of the table is suspected.

Result: 

NEXT 

GO TO ENGINE STALLS. Refer to  Engine Stalls [06/2018 - 07/2019]  , or refer to  Engine Stalls [07/2019 - 08/2021]