Toyota Tundra (2015 year). Manual — part 1630
A
(b) Measure the resistance according to the value(s) in the table
below.
Standard Resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
4 - 5
20°C
0.2 to 3.0 Ω
HINT:
Make sure there is no foreign matter such as iron particles on the fuel pump and no signs that the fuel pump was
stuck.
Make sure the internal connector is securely connected.
Make sure the fuel pump filter is not clogged.
NG
REPLACE FUEL PUMP
OK
REPLACE PRESSURE REGULATOR
95.
CHECK FUEL PRESSURE
HINT:
For the fuel pressure inspection, refer to the following procedures
.
(a) Attach a fuel pressure gauge and check the fuel pressure after stopping the engine.
RESULT
PROCEED TO
147 kPa (1.5 kgf/cm
2
) or higher (5 minutes after stopping the engine)
A
Less than 147 kPa (1.5 kgf/cm
2
) (5 minutes after stopping the engine)
B
B
GO TO STEP 101
96.
READ VALUE USING TECHSTREAM (LONG FT)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Using the Techstream, select and read [Long FT] in the Data List.
DATA LIST ITEM
RESULT
SUSPECTED AREA
PROCEED TO
Long FT
-15 to +15%
Wire harness or connector
Fuel
A
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1604; Start...
A
A
OK
B
REPLACE FUEL INJECTOR
97.
PERFORM SIMULATION TEST
(a) Check if the idling speed after starting the engine is currently stable and has always been stable in the
past.
Result
PROBLEM SYMPTOM
SUSPECTED AREA
PROCEED TO
A
All current and past idling speeds are stable
Fuel
B
HINT:
Through the customer problem analysis, confirm the fuel being used and the location at which the fuel was added
to check if the malfunction is caused by the fuel in the vehicle.
B
REPLACE FUEL
98.
CHECK CRANKSHAFT POSITION SENSOR
OK:
Sensor is installed correctly.
NG
SECURELY REINSTALL SENSOR
99.
CHECK HARNESS AND CONNECTOR (CRANKSHAFT POSITION SENSOR - ECM)
(a) Disconnect the crankshaft position sensor connector.
(b) Disconnect the ECM connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1604; Start...
OK
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
D3-1 (NE+) - D74-110 (NE+)
Always
Below 1 Ω
D3-2 (NE-) - D74-111 (NE-)
Always
Below 1 Ω
D3-3 (VC) - D74-66 (VCV2)
Always
Below 1 Ω
D3-1 (NE+) or D74-110 (NE+) - Body ground
Always
10 kΩ or higher
D3-2 (NE-) or D74-111 (NE-) - Body ground
Always
10 kΩ or higher
D3-3 (VC) or D74-66 (VCV2) - Body ground
Always
10 kΩ or higher
HINT:
REPAIR OR REPLACE HARNESS OR CONNECTOR
100. CHECK CRANKSHAFT POSITION SENSOR
(a) Replace the crankshaft position sensor
.
(b) Check the engine start operation.
OK:
Malfunction has been repaired successfully.
NG
REPLACE ECM
OK
END (CRANKSHAFT POSITION SENSOR IS DEFECTIVE)
101. 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:
OK
B
GO TO STEP 102
A
REPAIR OR REPLACE FUEL LINE
102. INSPECT FUEL PUMP
(a) Remove the fuel suction tube.
(b) Measure the resistance according to the value(s) in the table
below.
Standard Resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
4 - 5
20°C
0.2 to 3.0 Ω
HINT:
Make sure there is no foreign matter such as iron particles on the fuel pump and no signs that the fuel pump was
stuck.
Make sure the internal connector is securely connected.
Make sure the fuel pump filter is not clogged.
NG
REPLACE FUEL PUMP
103. CHECK PURGE VSV
(b) Start the engine.
(c) Idle the engine.
Standard:
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1604; Start...
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст