Toyota Tundra (2015 year). Manual — part 1918
OK
OK
NEXT
TESTER CONNECTION
SWITCH
CONDITION
SPECIFIED
CONDITION
D74-107 (#60) - D74-43
(E01)
Ignition switch ON
11 to 14 V
D74-83 (#70) - D74-43
(E01)
Ignition switch ON
11 to 14 V
D74-106 (#80) - D74-43
(E01)
Ignition switch ON
11 to 14 V
NG
GO TO FUEL INJECTOR CIRCUIT
26.
CHECK FUEL INJECTOR OF MISFIRING CYLINDER
(a) Check the injector injection [whether fuel volume is high or low, and whether injection pattern
is poor]
.
HINT:
Perform "Inspection After Repair" after replacing the fuel injector assembly
.
NG
REPLACE FUEL INJECTOR ASSEMBLY
27.
CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER CONNECTOR
CONNECTION)
.
HINT:
Repair any problems.
28.
CHECK WHETHER DTC OUTPUT RECURS
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0300-P0308;...
A
OK
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Clear DTCs
.
(e) Turn the ignition switch off and wait for at least 30 seconds.
(f) Turn the ignition switch to ON.
(g) Turn the Techstream on.
(h) Start the engine.
(i) Warm up the engine.
(j) Drive the vehicle in accordance with the driving pattern described in Confirmation Driving
Pattern.
(k) Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
(l) Input the DTC: P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 or P0308.
(m) Check the DTC judgment result.
Result
RESULT
PROCEED TO
ABNORMAL
(P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 or P0308 output)
A
NORMAL
(No DTC output)
B
B
END
29.
CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER)
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
30.
REPLACE MASS AIR FLOW METER
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0300-P0308;...
NEXT
(a) Replace the mass air flow meter
.
HINT:
.
31.
CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Clear DTCs
.
(e) Turn the ignition switch off and wait for at least 30 seconds.
(f) Turn the ignition switch to ON.
(g) Turn the Techstream on.
(h) Start the engine.
(i) Warm up the engine.
(j) Drive the vehicle in accordance with the driving pattern described in Confirmation Driving
Pattern.
(k) Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
(l) Input the DTC: P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 or P0308.
(m) Check the DTC judgment result.
Result
RESULT
PROCEED TO
NORMAL
(No DTC output)
A
ABNORMAL
(P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 or P0308 output)
B
B
REPLACE ECM
A
END
32.
CHECK FUEL LINE
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0300-P0308;...
(a) Check the fuel lines for leaks or blockage.
HINT:
Perform "Inspection After Repair" after replacing the fuel pump
.
NG
REPAIR OR REPLACE FUEL LINE
OK
REPLACE FUEL PUMP ASSEMBLY
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0300-P0308;...
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