Toyota Tundra (2015 year). Manual — part 1988
OK
FREEZE FRAME DATA ITEM
SUSPECTED AREA
PROCEED
TO
COOLANT TEMP, AMBIENT
TEMPERATURE, INTAKE AIR
COOLANT TEMP, AMBIENT
TEMPERATURE
FUEL PUMP DUTY
frame data is 0%
Fuel pump control
system
C
Difference between Coolant Temp,
Ambient Temperature and Intake
Air is less than 10°C*2
-
frame data is 0%
Fuel pump control
system
C
All 5 sets of
freeze frame
data are except
0%
-
B
HINT:
*1: A long time had not elapsed after stopping the engine.
*2: A long time had elapsed after stopping the engine.
Perform "Inspection After Repair" after replacing the engine coolant temperature sensor
.
B
GO TO STEP 11
C
CHECK FUEL PUMP CONTROL SYSTEM
A
REPLACE ENGINE COOLANT TEMPERATURE SENSOR
11.
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) Using the Techstream, select the [Control the Fuel Pump / Speed] Active Test.
(d) 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
HINT:
REPAIR FUEL PUMP CONTROL SYSTEM
12.
CHECK HARNESS AND CONNECTOR (FUEL INJECTOR POWER SOURCE)
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1604; Startabi...
OK
(a) Disconnect the injector connector.
(b) Turn the ignition switch to ON.
(c) Measure the voltage according to the value(s) in the table below.
Standard voltage:
CYLINDER
TESTER
CONNECTION
SWITCH
CONDITION
SPECIFIED
CONDITION
No. 1
H1-2 - Body ground
Ignition switch ON
11 to 14 V
No. 2
F1-2 - Body ground
Ignition switch ON
11 to 14 V
No. 3
H2-2 - Body ground
Ignition switch ON
11 to 14 V
No. 4
F2-2 - Body ground
Ignition switch ON
11 to 14 V
No. 5
H3-2 - Body ground
Ignition switch ON
11 to 14 V
No. 6
F3-2 - Body ground
Ignition switch ON
11 to 14 V
No. 7
H4-2 - Body ground
Ignition switch ON
11 to 14 V
No. 8
F4-2 - Body ground
Ignition switch ON
11 to 14 V
HINT:
REPAIR FUEL INJECTOR POWER SOURCE CIRCUIT
13.
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) Using the Techstream, select the [Control the Fuel Pump / Speed] Active Test.
(d) When performing the Active Test, check for fuel leakage from the fuel pipes.
Result
RESULT
PROCEED TO
HINT:
GO TO STEP 14
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1604; Startabi...
A
REPAIR OR REPLACE FUEL LINE
14.
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
B
GO TO STEP 24
A
REPAIR OR REPLACE FUEL SYSTEM
15.
CHECK 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
.
FREEZE FRAME DATA ITEM
SUSPECTED AREA
PROCEED
TO
COOLANT TEMP, AMBIENT
TEMPERATURE, INTAKE AIR
COOLANT TEMP, AMBIENT
TEMPERATURE
LONG FT
ENGINE
SPEED
Difference between Coolant
Temp, Ambient
Temperature and Intake Air
is 10°C or more
Coolant Temp is 125°C or
more, or lower than
Ambient Temperature by
15°C or more
-
-
Engine coolant
temperature sensor
A
Other than above
-15% or
less, or
+15% or
more
-
Fuel pump
control
system
Fuel
injector
B
-15 to
+15%
Minimum
speed is 300
rpm or
more*1
Engine assembly
C
Minimum
speed is
below 300
rpm
Fuel
system
Intake air
system
D
Difference between Coolant
Temp, Ambient
Temperature and Intake Air
-
-15% or
less, or
+15% or
-
Fuel pump
control
system
B
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1604; Startabi...
OK
FREEZE FRAME DATA ITEM
SUSPECTED AREA
PROCEED
TO
COOLANT TEMP, AMBIENT
TEMPERATURE, INTAKE AIR
COOLANT TEMP, AMBIENT
TEMPERATURE
LONG FT
ENGINE
SPEED
is less than 10°C
more
Fuel
injector
-15 to
+15%
Minimum
speed is 300
rpm or
more*1
Engine assembly
C
Minimum
speed is
below 300
rpm
Fuel
system
Intake air
system
D
*1: Compression loss may have occurred in the engine assembly.
Perform "Inspection After Repair" after replacing the engine coolant temperature sensor or engine assembly
.
B
GO TO STEP 16
C
CHECK AND REPAIR ENGINE
D
GO TO STEP 18
A
REPLACE ENGINE COOLANT TEMPERATURE SENSOR
16.
INSPECT FUEL INJECTOR
(a) Check that no carbon is stuck to the fuel injector.
OK:
No carbon present.
HINT:
Perform "Inspection After Repair" after replacing the fuel injector assembly
.
NG
REPLACE FUEL INJECTOR
17.
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
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1604; Startabi...
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