SUBARU TRIBECA 2009 1.G Service Workshop Manual

GD(H6DO)-199
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
DZ:DTC P2097 POST CATALYST FUEL TRIM SYSTEM TOO RICH (BANK 1)
1. OUTLINE OF DIAGNOSIS
Detect the malfunction of fuel system from the size of the sub feedback learning value.
Sub feedback learning is being performed. When the learning value goes to the rich side, judge as NG.
2. COMPONENT DESCRIPTION
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
Perform the diagnosis continuously when idling or when the vehicle is at a constant speed of 80 km/h (50
MPH).
5. DIAGNOSTIC METHOD
Judge as NG when the continuous time when the following conditions are established is higher than 5 sec-
onds.
Judge as OK and clear the NG when the continuous time when the following conditions are not established
is more than 5 seconds.
(A) Electromotive force (C) Rich (E) Theoretical air fuel ratio
(B) Air fuel ratio (D) Lean (F) Comparative voltage

(1) Atmosphere (2) Exhaust gas (3) Electromotive force
Secondary Parameters Enable Conditions
Continuous time when all conditions are
established.
≥ 1 sec.
Sub feedback learning execution condi-
tions
Completed
Judgment Value
Malfunction Criteria Threshold Value
Sub feedback learning value≥ 0.018
EN-01696
(3)V(1)
(2) (2)
(E)
(F)
(C) (B) (D)
(A)

GD(H6DO)-200
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
Time Needed for Diagnosis: 5 seconds
Malfunction Indicator Light Illumination: Illuminates when malfunctions occur in 2 continuous driving cy-
cles.
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 similar driving conditions are repeated 3 times and the result is OK.
•When “Clear Memory” is performed
8. FAIL SAFE
None
9. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)
EA:DTC P2098 POST CATALYST FUEL TRIM SYSTEM TOO LEAN (BANK 2)
1. OUTLINE OF DIAGNOSIS
NOTE:
For the detection procedure, refer to DTC P2096. FUEL TRIM SYSTEM TOO LEAN (BANK 1), Diagnostic Trouble Code (DTC) Detecting Criteria.>
EB:DTC P2099 POST CATALYST FUEL TRIM SYSTEM TOO RICH (BANK 2)
1. OUTLINE OF DIAGNOSIS
NOTE:
For the detection procedure, refer to DTC P2097. FUEL TRIM SYSTEM TOO RICH (BANK 1), Diagnostic Trouble Code (DTC) Detecting Criteria.>

GD(H6DO)-201
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
EC:DTC P2101 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT RANGE/
PERFORMANCE
1. OUTLINE OF DIAGNOSIS
Judge as NG when the motor current becomes large or drive circuit is heated.
2. COMPONENT DESCRIPTION
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
5. DIAGNOSTIC METHOD
Judge as OK and clear the NG when the malfunction criteria below are met.
(1) Engine control module (ECM) (4) Drive circuit (6) Electronic throttle control relay
(2) Detecting circuit (5) Temperature detection circuit (7) Motor
(3) Overcurrent detection circuit
Secondary Parameters Enable Conditions
Under control of electronic throttle con-
trol
ON
Judgment Value
Malfunction Criteria Threshold Value
Motor current≤ 8 A
Drive circuit inner temperature≤ 175°C (347°F)
EN-01867
(3)(2)
(5)(2)
(4)
(1)
(6)
(7)
12V 12V

GD(H6DO)-202
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
Time Needed for Diagnosis:
•500 milliseconds (For NG)
•2000 milliseconds (For OK)
Malfunction Indicator Light: Illuminates as soon as a malfunction occurs.
6. DTC CLEAR CONDITION
•When the OK idling cycle is completed 40 times in a row
•When “Clear Memory” is performed (Only engine stop)
7. MALFUNCTION INDICATOR LIGHT CLEAR CONDITIONS
•When the OK driving cycle is completed 3 times in a row
•When “Clear Memory” is performed (Only engine stop)
8. FAIL SAFE
Stop the continuity to the electronic control throttle motor. (Throttle opening is fixed to 6.375°.)
9. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)

GD(H6DO)-203
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
ED:DTC P2102 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT LOW
1. OUTLINE OF DIAGNOSIS
Judge as NG when the electronic throttle control power is not supplied even when ECM sets the electric con-
trol throttle relay to ON.
2. COMPONENT DESCRIPTION
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
5. DIAGNOSTIC METHOD
Judge as OK and clear the NG when the malfunction criteria below are met.
Time Needed for Diagnosis:
•400 milliseconds (For NG)
•2000 milliseconds (For OK)
Malfunction Indicator Light: Illuminates as soon as a malfunction occurs.
(1) Engine control module (ECM) (3) Drive circuit (5) Motor
(2) Voltage detection circuit (4) Electronic throttle control relay
Secondary Parameters Enable Conditions
Electronic control throttle relay output ON
Judgment Value
Malfunction Criteria Threshold Value
Motor power voltage≥ 5 V
EN-01868
(2)
(3)
(1)
(4)
(5)
12V 12V

GD(H6DO)-204
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
6. DTC CLEAR CONDITION
•When the OK idling cycle is completed 40 times in a row
•When “Clear Memory” is performed (Only engine stop)
7. MALFUNCTION INDICATOR LIGHT CLEAR CONDITIONS
•When the OK driving cycle is completed 3 times in a row
•When “Clear Memory” is performed (Only engine stop)
8. FAIL SAFE
Stop the continuity to the electronic control throttle motor. (Throttle opening is fixed to 6.375°.)
9. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)

GD(H6DO)-205
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
EE:DTC P2103 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH
1. OUTLINE OF DIAGNOSIS
Judge as NG when the electronic throttle control power is not supplied even when ECM sets the electric throt-
tle control relay to OFF.
2. COMPONENT DESCRIPTION
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
•When ignition switch ON → OFF
•Ignition switch OFF → ON (Only after clearing memory)
5. DIAGNOSTIC METHOD
Judge as OK and clear the NG when the malfunction criteria below are met.
(1) Engine control module (ECM) (3) Drive circuit (5) Motor
(2) Voltage detection circuit (4) Electronic throttle control relay
Secondary Parameters Enable Conditions
Electronic control throttle relay output OFF
Judgment Value
Malfunction Criteria Threshold Value
Motor power voltage≤ 5 V
EN-01868
(2)
(3)
(1)
(4)
(5)
12V 12V

GD(H6DO)-206
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
Time Needed for Diagnosis:
•600 milliseconds (For NG)
•400 milliseconds (For OK)
Malfunction Indicator Light: Illuminates as soon as a malfunction occurs.
6. DTC CLEAR CONDITION
•When the OK idling cycle is completed 40 times in a row
•When “Clear Memory” is performed (Only engine stop)
7. MALFUNCTION INDICATOR LIGHT CLEAR CONDITIONS
•When the OK driving cycle is completed 3 times in a row
•When “Clear Memory” is performed (Only engine stop)
8. FAIL SAFE
Stop the continuity to the electronic control throttle motor. (Throttle opening is fixed to 6.375°.)
9. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)

GD(H6DO)-207
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
EF:DTC P2109 THROTTLE/PEDAL POSITION SENSOR A MINIMUM STOP PER-
FORMANCE
1. OUTLINE OF DIAGNOSIS
Judge as NG when fully close point learning cannot conducted or abnormal value is detected.
2. COMPONENT DESCRIPTION
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
Perform the diagnosis at all close point learning.
5. DIAGNOSTIC METHOD
Judge as OK and clear the NG when the malfunction criteria below are met.
Time Needed for Diagnosis: 8 milliseconds
Malfunction Indicator Light: Illuminates as soon as a malfunction occurs.
(1) Engine control module (ECM) (3) Motor (4) Throttle position sensor
(2) Drive circuit
Secondary Parameters Enable Conditions
Ignition switch ON → OFF
Ignition switch (after clear memory only) OFF → ON
Judgement Value 1
Malfunction Criteria Threshold Value
Main throttle full closed point learning
position when IG is ON
10.127° — 19.872°
Main throttle full closed point learning
position when IG is OFF
10.127° — 19.872°
Judgement Value 2
Malfunction Criteria Threshold Value
Throttle opening angle when IG is ON –
Throttle full closed position
≥ 1.683°
EN-01869
(1)
(2)
(3)
(4)

GD(H6DO)-208
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
Time Needed for Diagnosis: 80 milliseconds
Malfunction Indicator Light: Illuminates as soon as a malfunction occurs.
6. DTC CLEAR CONDITION
•When the OK idling cycle is completed 40 times in a row
•When “Clear Memory” is performed (Only engine stop)
7. MALFUNCTION INDICATOR LIGHT CLEAR CONDITIONS
•When the OK driving cycle is completed 3 times in a row
•When “Clear Memory” is performed (Only engine stop)
8. FAIL SAFE
Stop the continuity to the electronic control throttle motor. (Throttle opening is fixed to 6°.)
9. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)