Toyota Tundra (2015 year). Manual — part 1616
A
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 78
77.
INSPECT FUEL PUMP
(a) Inspect the fuel pump
.
NG
REPLACE FUEL PUMP
OK
CHECK FUEL PUMP CONTROL CIRCUIT
78.
CHECK FUEL SYSTEM
(a) Check the fuel system.
Check the fuel pump operation.
Check the fuel leaks.
Check the fuel pressure.
HINT:
For the fuel system On-vehicle Inspection, refer to the following procedures
.
Result
RESULT
PROCEED TO
Abnormal
A
Normal
B
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1603,P160...
A
A
B
CHECK FOR INTERMITTENT PROBLEMS
79.
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
foreign matter.
B
REPAIR OR REPLACE FUEL SYSTEM
80.
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
81.
CLEAR DTC
(a) Connect the Techstream to the DLC3.
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1603,P160...
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Clear the DTCs
.
NEXT
END
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1603,P160...
Last Modified: 9-16-2014
6.6 C
Doc ID: RM0000021150LLX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: 3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1604; Startability Malfunction; 2015 MY Tundra [08/2014 -
]
DTC
P1604
Startability Malfunction
DESCRIPTION
This DTC is stored when the engine does not start even though the STA signal is input or when the engine takes a long
time to start, and when the engine speed is low or the engine stalls just after the engine starts.
Using the Techstream, the conditions present when the DTC was stored can be confirmed by referring to the freeze frame
data. Freeze frame data records engine conditions when a malfunction occurs. This information can be useful when
troubleshooting.
DTC
NO.
DTC DETECTION CONDITION
TROUBLE AREA
P1604
Either condition is met:
The engine speed is below 500 rpm with the STA signal on for a
After the engine starts (engine speed is 500 rpm or more), the
engine speed drops to 200 rpm or less within approximately 2
seconds (1 trip detection logic).
Immobiliser system
Engine assembly (excess
friction, compression
loss)
Starter
Crankshaft position
sensor
Engine coolant
temperature sensor
Fuel pump
Fuel pump control system
Fuel pipes
Fuel injector
Throttle body assembly
Pressure regulator
Battery
Drive plate
Spark plug
Ignition coil circuit
Intake system
Camshaft timing oil
control valve
Mass air flow meter
Air fuel ratio sensor
Valve timing
Fuel
Purge VSV
Intake valve
Exhaust valve
ECM
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1604; Start...
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