2009 SUBARU TRIBECA ignition

GD(H6DO)-147
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CK:DTC P0458 EVAPORATIVE EMISSION CONTROL SYSTEM PURGE CON-
TROL VALVE CIRCUIT LOW
1. OUTLINE OF DIAGNOSIS
Detect open or short circuit of the purge control solenoid valve.
Judge as NG when the ECM output level differs from the actual terminal level.
2. COMPONENT DESCRIPTION
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
Always perform the diagnosis after starting the engine.
5. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as NG when the continuous time until completing the malfunction criteria below becomes more than
time needed for diagnosis (2.5 seconds).
Time Needed for Diagnosis: 2.5 seconds
Malfunction Indicator Light Illumination: Illuminates when malfunctions occur in 2 continuous driving cy-
cles.
(A) To canister (B) To intake manifold
Secondary Parameters Enable Conditions
Ignition switch ON
Battery voltage≥ 10.9 V
After engine starting 1 second or more
Judgment Value
Malfunction Criteria Threshold Value
Duty ratio of “ON” < 75%
Te r m i n a l o u t p u t v o l t a g e L o w
EN-02197
( A )( B )

GD(H6DO)-149
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CL:DTC P0459 EVAPORATIVE EMISSION CONTROL SYSTEM PURGE CON-
TROL VALVE CIRCUIT HIGH
1. OUTLINE OF DIAGNOSIS
Detect open or short circuit of the purge control solenoid valve.
Judge as NG when the ECM output level differs from the actual terminal level.
2. COMPONENT DESCRIPTION
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
Always perform the diagnosis after starting the engine.
5. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as NG when the continuous time until completing the malfunction criteria below becomes more than
time needed for diagnosis (2.5 seconds).
Time Needed for Diagnosis: 2.5 seconds
Malfunction Indicator Light Illumination: Illuminates when malfunctions occur in 2 continuous driving cy-
cles.
(A) To canister (B) To intake manifold
Secondary Parameters Enable Conditions
Ignition switch ON
Battery voltage≥ 10.9 V
After engine starting 1 second or more
Judgment Value
Malfunction Criteria Threshold Value
Duty ratio of “ON”≥ 25%
Te r m i n a l o u t p u t v o l t a g e H i g h
EN-02197
( A )( B )

GD(H6DO)-153
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CN:DTC P0462 FUEL LEVEL SENSOR CIRCUIT LOW INPUT
1. OUTLINE OF DIAGNOSIS
Detect the open or short circuit of fuel level sensor. Judge as NG if it is out of specification.
2. COMPONENT DESCRIPTION
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
5. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as NG when the continuous time until completing the malfunction criteria below becomes more than
time needed for diagnosis (2.5 seconds).
Time Needed for Diagnosis: 2.5 seconds
Malfunction Indicator Light Illumination: Illuminates when malfunctions occur in 2 continuous driving cy-
cles.
(1) Engine control module (ECM) (3) Fuel sub level sensor (4) Detecting circuit
(2) Fuel level sensor
Secondary Parameters Enable Conditions
None
Judgment Value
Malfunction Criteria Threshold Value
Ignition switch ON
Battery voltage≥ 10.9 V
After engine starting 3 seconds or more
Output voltage < 0.173 V
EN-01735
(4)
(1)
(2) (3)

GD(H6DO)-154
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
Normality Judgment
Judge as OK and clear the NG when the malfunction criteria below are met.
6. DTC CLEAR CONDITION
•When the OK idling cycle is completed 40 times in a row
•When “Clear Memory” is performed
7. MALFUNCTION INDICATOR LIGHT CLEAR CONDITIONS
•When the OK driving cycle is completed 3 times in a row
•When “Clear Memory” is performed
8. FAIL SAFE
None
9. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)
Judgment Value
Malfunction Criteria Threshold Value
Ignition switch ON
Battery voltage≥ 10.9 V
After engine starting 3 seconds or more
Output voltage≥ 0.173 V

GD(H6DO)-155
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CO:DTC P0463 FUEL LEVEL SENSOR CIRCUIT HIGH INPUT
1. OUTLINE OF DIAGNOSIS
Detect the open or short circuit of fuel level sensor. Judge as NG if it is out of specification.
2. COMPONENT DESCRIPTION
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
5. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as NG when the continuous time of completing the malfunction criteria below exceeds the time re-
quired for diagnosis (1 second).
Time Needed for Diagnosis: 1 second
Malfunction Indicator Light Illumination: Illuminates when malfunctions occur in 2 continuous driving cy-
cles.
(1) Engine control module (ECM) (3) Fuel sub level sensor (4) Detecting circuit
(2) Fuel level sensor
Secondary Parameters Enable Conditions
None
Judgment Value
Malfunction Criteria Threshold Value
Ignition switch ON
Battery voltage≥ 10.9 V
After engine starting 3 seconds or more
Output voltage≥ 7.212 V
EN-01735
(4)
(1)
(2) (3)

GD(H6DO)-156
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
Normality Judgment
Judge as OK and clear the NG when the malfunction criteria below are met.
6. DTC CLEAR CONDITION
•When the OK idling cycle is completed 40 times in a row
•When “Clear Memory” is performed
7. MALFUNCTION INDICATOR LIGHT CLEAR CONDITIONS
•When the OK driving cycle is completed 3 times in a row
•When “Clear Memory” is performed
8. FAIL SAFE
None
9. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)
Judgment Value
Malfunction Criteria Threshold Value
Ignition switch ON
Battery voltage≥ 10.9 V
After engine starting 3 seconds or more
Output voltage < 7.212 V

GD(H6DO)-157
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CP:DTC P0464 FUEL LEVEL SENSOR CIRCUIT INTERMITTENT
1. OUTLINE OF DIAGNOSIS
Detect the unstable output faults from the fuel level sensor caused by noise. Judge as NG when the max. val-
ue and cumulative value of output voltage variation of the fuel level sensor is larger than the threshold value.
2. ENABLE CONDITIONS
3. GENERAL DRIVING CYCLE
•Always perform the diagnosis continuously at idle speed.
•Pay attention to the fuel level.
Malfunction Criteria Threshold Value
Engine speed≥ 500 rpm
After engine starting 1 second or more
Ignition switch ON
Battery voltage > 10.9 V
Idle switch ON
Fuel level 9.6 ←→ 54.4 2 (2.54
←→ 14.37 US gal,
2.11 ←→ 11.97 Imp
gal)
Ve h i c l e s p e e d = 0 k m / h ( 0 M P H ) 1 0 s e c o n d s o r m o r e

GD(H6DO)-171
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CY:DTC P0604 INTERNAL CONTROL MODULE RANDOM ACCESS MEMORY
(RAM) ERROR
1. OUTLINE OF DIAGNOSIS
Detect the malfunction of microcomputer (RAM). Zero clear all normal RAM areas with the initial routine, and
Judge as NG when the sum of all added RAM after clearing is more than $0000.
2. ENABLE CONDITIONS
Diagnosis with the initial routine.
3. GENERAL DRIVING CYCLE
Perform the diagnosis as soon as the ignition switch is turned to ON.
4. DIAGNOSTIC METHOD
Judge as NG when the malfunction criteria below are met. Judge as OK and clear the NG when the malfunc-
tion criteria below are not met.
Time Needed for Diagnosis: Undecided
Malfunction Indicator Light: Illuminates as soon as a malfunction occurs.
5. DTC CLEAR CONDITION
•When the OK idling cycle is completed 40 times in a row
•When “Clear Memory” is performed
6. MALFUNCTION INDICATOR LIGHT CLEAR CONDITIONS
•When the OK driving cycle is completed 3 times in a row
•When “Clear Memory” is performed
7. FAIL SAFE
None
8. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)
Secondary Parameters Enable Conditions
None
Judgment Value
Malfunction Criteria Threshold Value
Zero clear all normal RAM areas. Result
of sum of all RAM after clearing
Not = 0