Toyota Tundra (2015 year). Manual — part 1977
A
A
B
CHECK FOR INTERMITTENT PROBLEMS
31.
PERFORM ACTIVE TEST USING TECHSTREAM
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Start the engine.
(e) Enter the following menus: Powertrain / Engine and ECT / Active Test / Activate the VSV for
Evap Control.
(f) Operate the purge VSV and check the airflow.
OK:
ACTIVATE THE VSV FOR EVAP CONTROL
SPECIFIED CONDITION
ON
Air flows
OFF
Air does not flow
Result
RESULT
PROCEED TO
NG
A
OK
B
HINT:
B
CHECK FOR INTERMITTENT PROBLEMS
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1603,P1605;...
A
32.
CHECK CONNECTOR CONNECTION CONDITION (ECM)
(a) Check the ECM connector connection condition.
HINT:
RECONNECT CONNECTOR CORRECTLY
OK
REPLACE ECM
33.
PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE FUEL PUMP /
SPEED)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Fuel Pump
/ Speed.
(e) When performing the Active Test, check for an operating sound from the fuel pump.
Standard:
CONTROL THE FUEL PUMP / SPEED
SPECIFIED CONDITION
ON
Operating sound heard
OFF
Operating sound not heard
Result
RESULT
PROCEED TO
Abnormal
A
Normal
B
HINT:
GO TO STEP 35
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1603,P1605;...
A
34.
INSPECT FUEL PUMP
(a) Inspect the fuel pump
.
HINT:
Perform "Inspection After Repair" after replacing the fuel pump
.
NG
REPLACE FUEL PUMP
OK
CHECK FUEL PUMP CONTROL CIRCUIT
35.
CHECK FUEL SYSTEM
(a) Check the fuel system.
Check the fuel pump operation.
Check the fuel leaks.
Check the fuel pressure.
Perform the Active Test.
HINT:
For the fuel system On-vehicle Inspection, refer to the following procedures
.
Result
RESULT
PROCEED TO
Abnormal
A
Normal
B
B
CHECK FOR INTERMITTENT PROBLEMS
36.
CHECK FUEL SYSTEM
(a) Check for foreign matter such as iron particles around the fuel pump (fuel pump, fuel pump
filter and inside the fuel tank), and for signs that the fuel pump was stuck.
Result
RESULT
PROCEED TO
There is foreign matter or signs that fuel pump was stuck
A
There is no foreign matter and no signs that fuel pump was stuck
B
HINT:
If there is foreign matter such as iron particles on the fuel pump, fuel filter or fuel tank, remove the
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1603,P1605;...
A
OK
foreign matter.
B
REPAIR OR REPLACE FUEL SYSTEM
37.
CHECK FUEL SYSTEM
(a) Check the fuel system.
Check the fuel pump operation.
Check the fuel leaks.
Check the fuel pressure.
Perform the Active Test.
HINT:
For the fuel system On-vehicle Inspection, refer to the following procedures
.
NG
REPAIR OR REPLACE MALFUNCTIONING PARTS,
COMPONENT AND AREA
OK
END
38.
CHECK IGNITION SYSTEM
(a) Perform ignition system On-vehicle Inspection
.
HINT:
Perform "Inspection After Repair" after repairing or replacing the ignition system
.
NG
REPAIR OR REPLACE MALFUNCTIONING PARTS,
COMPONENT AND AREA
39.
READ FREEZE FRAME DATA
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Using the Techstream, confirm the vehicle conditions recorded in the freeze frame data which
were present when the DTC was stored
.
Result
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1603,P1605;...
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