Page 1752 of 2453

GD(H6DO)-140
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CF:DTC P0451 EVAPORATIVE EMISSION CONTROL SYSTEM PRESSURE
SENSOR
1. OUTLINE OF DIAGNOSIS
Detect the tank pressure sensor output property abnormality.
Judge NG when there is no pressure variation, which should exist in the tank, considering the engine status.
2. COMPONENT DESCRIPTION
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
•Always perform the diagnosis continuously in 60 seconds after starting the engine.
•Be sure to check the fuel level and fuel temperature.
5. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as NG when the malfunction criteria below are met.
(A) Output voltage (C) To fuel tank (D) To atmosphere
(B) Input voltage
(1) Connector (2) Terminals
Secondary Parameters Enable Conditions
After engine starting 60 seconds or more
Fuel level≥ 9.6 2 (2.45 US gal,
2.11 Imp gal)
Fuel temperature < 35°C (95°F)
Battery voltage≥ 10.9 V
Atmospheric pressure > 75.1 kPa (563
mmHg, 22.2 inHg)
Engine speed < 7000 rpm
EN-03141
(A)
(B)
(2)(1)
(D)
(C)
Page 1754 of 2453
GD(H6DO)-142
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CG:DTC P0452 EVAPORATIVE EMISSION CONTROL SYSTEM PRESSURE
SENSOR LOW INPUT
1. OUTLINE OF DIAGNOSIS
Detect the open or short circuit of the fuel tank pressure 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 15 seconds
or more.
Time Needed for Diagnosis: 15 seconds
Malfunction Indicator Light: Illuminates as soon as a malfunction occurs.
(A) Output voltage (C) To fuel tank (D) To atmosphere
(B) Input voltage
(1) Connector (2) Terminals
Secondary Parameters Enable Conditions
None
Judgment Value
Malfunction Criteria Threshold Value
Fuel tank pressure < –7.4 kPa (–55.85
mmHg, –2.20 inHg)
Battery voltage≥ 10.9 V
EN-03141
(A)
(B)
(2)(1)
(D)
(C)
Page 1755 of 2453
GD(H6DO)-143
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
Normality Judgment
Judge as OK when the 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
Purge control solenoid valve control: Purge fixed mode is prohibited.
9. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)
Judgment Value
Malfunction Criteria Threshold Value
Fuel tank pressure≥ –7.4 kPa (–55.85
mmHg, –2.20 inHg)
Battery voltage≥ 10.9 V
Page 1756 of 2453
GD(H6DO)-144
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CH:DTC P0453 EVAPORATIVE EMISSION CONTROL SYSTEM PRESSURE
SENSOR HIGH INPUT
1. OUTLINE OF DIAGNOSIS
Detect the open or short circuit of the fuel tank pressure sensor.
Judge as NG if it is out of specification.
2. COMPONENT DESCRIPTION
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
Perform the diagnosis when purging.
(A) Output voltage (C) To fuel tank (D) To atmosphere
(B) Input voltage
(1) Connector (2) Terminals
Secondary Parameters Enable Conditions
Ve h i c l e s p e e d≥ 2 km/h (1.24 MPH)
All conditions of EVAP canister purge Completed
Learning value of evaporation gas con-
centration (left and right)
< 0.08
Main feedback compensation coefficient
(left and right)
≥ 0.9
Battery voltage≥ 10.9 V
EN-03141
(A)
(B)
(2)(1)
(D)
(C)
Page 1759 of 2453

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 )
Page 1761 of 2453

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 )
Page 1763 of 2453
GD(H6DO)-151
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CM:DTC P0461 FUEL LEVEL SENSOR CIRCUIT RANGE/PERFORMANCE
1. OUTLINE OF DIAGNOSIS
Detect malfunctions of the fuel level sensor output property.
If the fuel level does not vary in a particular driving condition/engine condition where it should, judge as NG.
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 malfunction criteria below are met.
(A) Fuel level (B) Resistance
Secondary Parameters Enable Conditions
None
Judgment Value
Malfunction Criteria Threshold Value
Accumulated amount of intake air > 331 kg (729.7 lb)
Max. – min. values of fuel level output < 2.6 2 (0.69 US gal,
0.57 Imp gal)
Battery voltage≥ 10.9 V
Engine speed < 7000 rpm
After engine starting 5 seconds or more
EN-01734
0(B)
(A)
Page 1764 of 2453
GD(H6DO)-152
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
Time Needed for Diagnosis: Undecided
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.
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
Accumulated amount of intake air > 331 kg (729.7 lb)
Max. – min. values of fuel level output≥ 2.6 2 (0.69 US gal,
0.57 Imp gal)
Battery voltage≥ 10.9 V
Engine speed < 7000 rpm
After engine starting 5 seconds or more