2009 SUBARU TRIBECA DTC P0306

EN(H6DO)(diag)-248
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
18 CHECK DTC ON DISPLAY.Are DTC P0303 and P0304
displayed?
Go to step 24.Go to step 19.
19 CHECK DTC ON DISPLAY.Are DTC P0305 and P0306
displayed?
Go to step 25.Go to step 20.
20 CHECK DTC ON DISPLAY.Are DTC P0301, P0303 and
P0305 displayed?
Go to step 26.Go to step 21.
21 CHECK DTC ON DISPLAY.Are DTC P0302, P0304 and
P0306 displayed?
Go to step 27.Go to step 28.
22 ONLY ONE CYLINDERIs there any fault in the cylin-
der?
Repair or replace
faulty par ts.
NOTE:Check the follow-
ing item.
•Spark plug
•Fuel injector
•Compression
ratio
Check DTC
P0171, P0172,
P0174 or P0175
using “List of Diag-
nostic Trouble
Code (DTC)”.
EN(H6DO)(diag)-
69, List of Diag-
nostic Trouble
Code (DTC).>
23 GROUP OF #1 AND #2 CYLINDERSAre there any faults in #1 and
#2 cylinders?
Repair or replace
faulty par ts.
NOTE:•Check the fol-
lowing item.
•Spark plug
•Fuel injec-
tor
•Ignition
coil
•Compres-
sion ratio
•If any fault
are not found,
check the “IG-
NITION CON-
TROL
SYSTEM” of #1
and #2 cylin-
ders side. to
EN(H6DO)(di-
ag)-63, IGNI-
TION
CONTROL
SYSTEM, Diag-
nostics for En-
gine Starting
Failure.>
Check DTC
P0171, P0172,
P0174 or P0175
using “List of Diag-
nostic Trouble
Code (DTC)”.
EN(H6DO)(diag)-
69, List of Diag-
nostic Trouble
Code (DTC).>
Step Check Yes No

GD(H6DO)-5
List of Diagnostic Trouble Code (DTC)
GENERAL DESCRIPTION
P0301 Cylinder 1 Misfire Detected Diagnostic Trouble Code (DTC) Detecting Criteria.>
P0302 Cylinder 2 Misfire Detected Diagnostic Trouble Code (DTC) Detecting Criteria.>
P0303 Cylinder 3 Misfire Detected Diagnostic Trouble Code (DTC) Detecting Criteria.>
P0304 Cylinder 4 Misfire Detected Diagnostic Trouble Code (DTC) Detecting Criteria.>
P0305 Cylinder 5 Misfire Detected Diagnostic Trouble Code (DTC) Detecting Criteria.>
P0306 Cylinder 6 Misfire Detected Diagnostic Trouble Code (DTC) Detecting Criteria.>
P0327 Knock Sensor 1 Circuit Low Input
(Bank 1 or Single Sensor)
INPUT (BANK 1 OR SINGLE SENSOR), Diagnostic Trouble Code (DTC)
Detecting Criteria.>
P0328 Knock Sensor 1 Circuit High Input
(Bank 1 or Single Sensor)
INPUT (BANK 1 OR SINGLE SENSOR), Diagnostic Trouble Code (DTC)
Detecting Criteria.>
P0332 Knock Sensor 2 Circuit Low Input
(Bank 2)
INPUT (BANK 2), Diagnostic Trouble Code (DTC) Detecting Criteria.>
P0333 Knock Sensor 2 Circuit High Input
(Bank 2)
INPUT (BANK 2), Diagnostic Trouble Code (DTC) Detecting Criteria.>
P0335 Crankshaft Position Sensor “A” Cir-
cuit
“A” CIRCUIT, Diagnostic Trouble Code (DTC) Detecting Criteria.>
P0336 Crankshaft Position Sensor “A” Cir-
cuit Range/Performance
“A” CIRCUIT RANGE/PERFORMANCE, Diagnostic Trouble Code (DTC)
Detecting Criteria.>
P0340 Camshaft Position Sensor “A” Cir-
cuit (Bank 1 or Single Sensor)
CIRCUIT (BANK 1 OR SINGLE SENSOR), Diagnostic Trouble Code (DTC)
Detecting Criteria.>
P0345 Camshaft Position Sensor “A” Cir-
cuit (Bank 2)
CIRCUIT (BANK 2), Diagnostic Trouble Code (DTC) Detecting Criteria.>
P0420 Catalyst System Efficiency Below
Threshold (Bank 1)
BELOW THRESHOLD (BANK 1), Diagnostic Trouble Code (DTC) Detecting
Criteria.>
P0442 Evaporative Emission Control Sys-
tem Leak Detected (Small Leak)
TROL SYSTEM LEAK DETECTED (SMALL LEAK), Diagnostic Trouble
Code (DTC) Detecting Criteria.>
P0447 Evaporative Emission Control Sys-
tem Vent Control Circuit Open
TROL SYSTEM VENT CONTROL CIRCUIT OPEN, Diagnostic Trouble
Code (DTC) Detecting Criteria.>
P0448 Evaporative Emission Control Sys-
tem Vent Control Circuit Shorted
TROL SYSTEM VENT CONTROL CIRCUIT SHORTED, Diagnostic Trouble
Code (DTC) Detecting Criteria.>
P0451 Evaporative Emission Control Sys-
tem Pressure Sensor
TROL SYSTEM PRESSURE SENSOR, Diagnostic Trouble Code (DTC)
Detecting Criteria.>
P0452 Evaporative Emission Control Sys-
tem Pressure Sensor Low Input
TROL SYSTEM PRESSURE SENSOR LOW INPUT, Diagnostic Trouble
Code (DTC) Detecting Criteria.>
P0453 Evaporative Emission Control Sys-
tem Pressure Sensor High Input
TROL SYSTEM PRESSURE SENSOR HIGH INPUT, Diagnostic Trouble
Code (DTC) Detecting Criteria.>
P0456 Evaporative Emission Control Sys-
tem Leak Detected (Very Small
Leak)
TROL SYSTEM LEAK DETECTED (VERY SMALL LEAK), Diagnostic Trou-
ble Code (DTC) Detecting Criteria.>
DTC Item Index

GD(H6DO)-109
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
BO:DTC P0302 CYLINDER 2 MISFIRE DETECTED
1. OUTLINE OF DIAGNOSIS
NOTE:
For the diagnostic procedure, refer to DTC P0301. FIRE DETECTED, Diagnostic Trouble Code (DTC) Detecting Criteria.>
BP:DTC P0303 CYLINDER 3 MISFIRE DETECTED
1. OUTLINE OF DIAGNOSIS
NOTE:
For the diagnostic procedure, refer to DTC P0301. FIRE DETECTED, Diagnostic Trouble Code (DTC) Detecting Criteria.>
BQ:DTC P0304 CYLINDER 4 MISFIRE DETECTED
1. OUTLINE OF DIAGNOSIS
NOTE:
For the diagnostic procedure, refer to DTC P0301. FIRE DETECTED, Diagnostic Trouble Code (DTC) Detecting Criteria.>
BR:DTC P0305 CYLINDER 5 MISFIRE DETECTED
1. OUTLINE OF DIAGNOSIS
NOTE:
For the diagnostic procedure, refer to DTC P0301. FIRE DETECTED, Diagnostic Trouble Code (DTC) Detecting Criteria.>
BS:DTC P0306 CYLINDER 6 MISFIRE DETECTED
1. OUTLINE OF DIAGNOSIS
NOTE:
For the diagnostic procedure, refer to DTC P0301. FIRE DETECTED, Diagnostic Trouble Code (DTC) Detecting Criteria.>