2004 SUBARU FORESTER Service Repair Manual

Page 1849 of 2870

SUBARU FORESTER 2004  Service Repair Manual EN(H4DOTC)-216
ENGINE (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step Check Yes No
1 CHECK THROTTLE CABLE.Does the throttle cable have 
play for adjustment?Go to step 2.Adjus

Page 1850 of 2870

SUBARU FORESTER 2004  Service Repair Manual EN(H4DOTC)-217
ENGINE (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BK:DTC P0512 STARTER REQUEST CIRCUIT
DTC DETECTING CONDITION:
Immediately at fault recognition
TROUBLE SYMPTO

Page 1851 of 2870

SUBARU FORESTER 2004  Service Repair Manual EN(H4DOTC)-218
ENGINE (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step Check Yes No
1 CHECK OPERATION OF STARTER MOTOR.Does the starter motor operate 
when ignition switch to

Page 1852 of 2870

SUBARU FORESTER 2004  Service Repair Manual EN(H4DOTC)-219
ENGINE (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BL:DTC P0519 IDLE CONTROL SYSTEM MALFUNCTION (FAIL-SAFE)
DTC DETECTING CONDITION:
Immediately at fault recogn

Page 1853 of 2870

SUBARU FORESTER 2004  Service Repair Manual EN(H4DOTC)-220
ENGINE (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step Check Yes No
1 CHECK ANY OTHER DTC ON DISPLAY.Is any other DTC displayed? Inspect the rele-
vant DTC usi

Page 1854 of 2870

SUBARU FORESTER 2004  Service Repair Manual EN(H4DOTC)-221
ENGINE (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BM:DTC P0545 EXHAUST GAS TEMPERATURE SENSOR CIRCUIT LOW - 
BANK 1
DTC DETECTING CONDITION:
Immediately at fau

Page 1855 of 2870

SUBARU FORESTER 2004  Service Repair Manual EN(H4DOTC)-222
ENGINE (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step Check Yes No
1 CHECK CURRENT DATA.
1) Start the engine.
2) Read the data of exhaust temperature sen-
sor

Page 1856 of 2870

SUBARU FORESTER 2004  Service Repair Manual EN(H4DOTC)-223
ENGINE (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BN:DTC P0546 EXHAUST GAS TEMPERATURE SENSOR HIGH - BANK 1
DTC DETECTING CONDITION:
Immediately at fault recog