2009 SUBARU TRIBECA check engine

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Page 1380 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual EN(H6DO)(diag)-219
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
5CHECK MASS AIR FLOW AND INTAKE AIR 
TEMPERATURE SENSOR
1) Start the engine and warm-up engine until 
co

Page 1382 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual EN(H6DO)(diag)-221
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
Step Check Yes No
1CHECK ANY OTHER DTC ON DISPLAY.Is any other DTC displayed? Check the appro-
priate DT

Page 1384 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual EN(H6DO)(diag)-223
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
Step Check Yes No
1CHECK CURRENT DATA.
1) Start the engine.
2) Read the data of fuel temperature sensor

Page 1386 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual EN(H6DO)(diag)-225
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
Step Check Yes No
1CHECK CURRENT DATA.
1) Start the engine.
2) Read the data of fuel temperature sensor

Page 1387 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual EN(H6DO)(diag)-226
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
5 CHECK HARNESS BETWEEN FUEL TEM-
PERATURE SENSOR AND ECM CONNEC-
TOR.
1) Turn the ignition switch to OF

Page 1389 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual EN(H6DO)(diag)-228
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
Step Check Yes No
1CHECK ANY OTHER DTC ON DISPLAY.Is any other DTC displayed? Check DTC using 
“List o

Page 1391 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual EN(H6DO)(diag)-230
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
Step Check Yes No
1CHECK HARNESS BETWEEN OIL TEMPER-
ATURE SENSOR AND ECM CONNECTOR.
1) Disconnect the E

Page 1393 of 2453

SUBARU TRIBECA 2009 1.G Service Workshop Manual EN(H6DO)(diag)-232
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
Step Check Yes No
1CHECK HARNESS BETWEEN OIL TEMPER-
ATURE SENSOR AND ECM CONNECTOR.
1) Turn the ignitio