ignition SUBARU TRIBECA 2009 1.G Service Workshop Manual

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

GD(H6DO)-172
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CZ:DTC P0605 INTERNAL CONTROL MODULE READ ONLY MEMORY (ROM)
ERROR
1. OUTLINE OF DIAGNOSIS
Judge as NG when SUM value of ROM is outside the standard value.
2. ENABLE CONDITIONS
3. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
4. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as NG when the continuous time until completing the malfunction criteria below becomes 0.5 second
or more.
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 (Only engine stop)
6. 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)
7. FAIL SAFE
Stop the continuity to the electronic control throttle motor. (Throttle opening is fixed to 6.375°.)
8. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)
Secondary Parameters Enable Conditions
Ignition switch ON
Judgment Value
Malfunction Criteria Threshold Value
SUM value of ROM Specification

GD(H6DO)-174
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
(1) — (4): Always perform the diagnosis continuously.
(5): Always perform the diagnosis continuously when idling.
(6): Perform the diagnosis when the brake pedal is depressed.
(7): Always perform the diagnosis continuously.
(8): Always perform the diagnosis continuously when the cruise control pedal is not operating.
5. DIAGNOSTIC METHOD
Judge as OK and clear the NG when the malfunction criteria below are met.
Time Needed for Diagnosis:
1. 250 milliseconds
2. 250 milliseconds
3. 200 milliseconds
4. 200 milliseconds
5. 24 milliseconds
6. 250 milliseconds
7. 200 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
Secondary Parameters Enable Conditions
(1) Ignition switch ON
(2) Ignition switch ON
(3) None —
(4) None —
(5) Throttle opening angle
(6) Brake SW (only with cruise control) ON
(7) None —
(8) Cruise control OFF
Judgment Value
Malfunction Criteria Threshold Value
(1) Difference of CPU reading value of
the throttle position sensor signal
Within 0.085 V
(2) Difference of CPU read value of the
accelerator position sensor signal
Within 0.047 V
(3) WD pulse from sub CPU WD pulse occur
(4) Communication between CPU Possible to communi-
cate
(5) Throttle position sensor 1 opening
angle — (Throttle position sensor 1
opening angle after passing amplifier) 1/
4
< 3°
(6) Cruise control cancel signal at brake
ON
Cruise control cancel
signal ON
(7) Brake switch 1, 2 signal SW 1 and 2 are
matched

GD(H6DO)-176
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
DB:DTC P0638 THROTTLE ACTUATOR CONTROL RANGE/PERFORMANCE
(BANK 1)
1. OUTLINE OF DIAGNOSIS
Judge as NG when the target opening angle and actual opening angle is mismatched or the current to motor
is more than specified duty for specified time continuously.
2. COMPONENT DESCRIPTION
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously when the electric throttle control is operating.
5. DIAGNOSTIC METHOD
Judge as OK and clear the NG when the malfunction criteria below are met.
Time Needed for Diagnosis:
•Target opening angle and actual opening angle: 250 milliseconds (For NG) 2000 milliseconds (For OK)
•Output duty to drive circuit: 2000 milliseconds
(1) Motor (3) Engine control module (ECM) (4) Drive circuit
(2) Throttle position sensor
Secondary Parameters Enable Conditions
Ignition switch ON
Normal operation of electric throttle con-
trol
ON
Judgment Value
Malfunction Criteria Threshold Value
Difference between target opening angle
and actual opening angle
3° or less
Output duty to drive circuit 95% or less
EN-01863
(3)
(4)
(1)
(2)

GD(H6DO)-179
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
DC:DTC P0691 COOLING FAN 1 CONTROL CIRCUIT LOW
1. OUTLINE OF DIAGNOSIS
Detect the open/short circuit of radiator fan circuit.
Judge as NG when the ECM output level differs from the actual terminal level.
2. ENABLE CONDITIONS
3. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously when idling.
4. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as NG when the continuous time of completing the malfunction criteria below becomes more than 2.5
seconds.
Time Needed for Diagnosis: 2.5 seconds
Malfunction Indicator Light Illumination: Illuminates when malfunctions occur in 2 continuous driving cy-
cles.
Normality Judgment
Judge as OK and clear the NG when the malfunction criteria below are met.
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
Ignition switch ON
Battery voltage≥ 10.9 V
After engine starting≥ 1 sec.
Engine speed 500 ←→ 850 rpm
Judgment Value
Malfunction Criteria Threshold Value
Duty ratio = 100%
Te r m i n a l v o l t a g e l e v e l L o w l e v e l
Duty ratio 5% ←→ 95%
Te r m i n a l v o l t a g e l e v e l L o w l e v e l
Judgment Value
Malfunction Criteria Threshold Value
Duty ratio = 100%
Te r m i n a l v o l t a g e l e v e l H i g h l e v e l
Duty ratio 5% ←→ 95%
Te r m i n a l v o l t a g e l e v e l H i g h l e v e l

GD(H6DO)-180
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
DD:DTC P0692 COOLING FAN 1 CONTROL CIRCUIT HIGH
1. OUTLINE OF DIAGNOSIS
Detect the open/short circuit of radiator fan circuit.
Judge as NG when the ECM output level differs from the actual terminal level.
2. ENABLE CONDITIONS
3. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously when idling.
4. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as NG when the continuous time of completing the malfunction criteria below becomes more than 2.5
seconds.
Time Needed for Diagnosis: 2.5 seconds
Malfunction Indicator Light Illumination: Illuminates when malfunctions occur in 2 continuous driving cy-
cles.
Normality Judgment
Judge as OK and clear the NG when the malfunction criteria below are met.
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
Ignition switch ON
Battery voltage≥ 10.9 V
After engine starting≥ 1 sec.
Engine speed 500 ←→ 850 rpm
Judgment Value
Malfunction Criteria Threshold Value
Duty ratio = 0%
Te r m i n a l v o l t a g e l e v e l H i g h l e v e l
Duty ratio 5% ←→ 95%
Te r m i n a l v o l t a g e l e v e l H i g h l e v e l
Judgment Value
Malfunction Criteria Threshold Value
Duty ratio = 0%
Te r m i n a l v o l t a g e l e v e l L o w l e v e l
Duty ratio 5% ←→ 95%
Te r m i n a l v o l t a g e l e v e l L o w l e v e l

GD(H6DO)-187
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
DJ:DTC P1160 RETURN SPRING FAILURE
1. OUTLINE OF DIAGNOSIS
Judge as NG when the valve is opened more than the default opening angle, but does not move to the close
direction with the motor power stopped.
2. COMPONENT DESCRIPTION
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
•Ignition switch ON → OFF
•Ignition switch OFF → ON (Only after clearing memory)
5. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as NG when the continuous time until completing the malfunction criteria below becomes 1.6 second
or more.
Time Needed for Diagnosis: 1600 milliseconds
Malfunction Indicator Light: Illuminates as soon as a malfunction occurs.
(1) Opener spring (4) Full closed stopper (7) DC motor
(2) Return spring (5) Throttle valve (8) Main and sub throttle sensor
(3) Intermediate stopper (6) Gear
Secondary Parameters Enable Conditions
Throttle opening angle OFF
Motor continuity OFF
Judgment Value
Malfunction Criteria Threshold Value
Opening variation after continuity is set
to OFF
≥ 2°
EN-01866
SS
(8)
(6)
(7)
(5)
(1)
(3)
(2)
(4)