MSA5T0722A162104 diag trouble codes.pdf

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Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
2. Diagnostic Trouble Code (DTC) Detecting Criteria
A: DTC P0011 INTAKE CAMSHAFT POSITION - TIMING OVER-ADVANCED OR
SYSTEM PERFORMANCE (BANK 1)
1. OUTLINE OF DIAGNOSIS
Detect the malfunction of AVCS system.
There are two types of diagnosis: Crankshaft cam timing diagnosis, and slow response diagnosis. Either of
these is performed according to the status of the engine while running.
2. COMPONENT DESCRIPTION
(3)
(1)
(5)
(2)
(4)
EN-01852
(1)
(2)
(3)
(4)
(5)
AVCS timing controller
Vane
Engine control module (ECM)
Oil flow control solenoid valve
Oil pressure
(A)
Air
GD(H4DOTC)-9
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
3. ENABLE CONDITION
1. Crankshaft Timing Diagnosis
Secondary Parameters
Battery voltage
Engine coolant temperature
Target timing advance
Engine speed
AVCS
Enable Conditions
≥
10.9 V
> 60°C (140°F)
= 0°CA
≥
500 rpm
Uncontrolled
2. Slow Response Diagnosis
Secondary Parameters
All secondary parameters are execut-
able.
Battery voltage
Engine coolant temperature
Amount of AVCS target timing advance
Engine speed
AVCS
Target timing advance change amount
Enable Conditions
1 second or more
≥
10.9 V
> 60°C (140°F)
≠
0°CA
≥
1300 rpm
Controlled
< 1.07°CA
4. GENERAL DRIVING CYCLE
1. Crankshaft Timing Diagnosis
Perform the diagnosis continuously after starting engine and while AVCS is not operating.
2. Slow Response Diagnosis
Perform the diagnosis continuously after starting engine and while AVCS is operating.
5. DIAGNOSTIC METHOD
1. Crankshaft Timing Diagnosis
Judge as NG when the timing advance is outside the normal range. Judge as OK when it within the normal
range.
Judge as NG when all the following conditions are established and the continuous time is more than 20 sec-
onds. Judge as OK and clear the NG when the following conditions are not established and the continuous
time is more than one second.
Judgment Value
Malfunction Criteria
Basic timing advance
Threshold Value
< –13°CA
or
> 25°CA
Time Needed for Diagnosis: 20 seconds
Malfunction Indicator Light Illumination:
Illuminates when malfunction occurs in 2 continuous driving cy-
cles.
GD(H4DOTC)-10
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
2. Slow Response Diagnosis
During AVCS control, calculate AVCS deviation separately for positive/negative, and when the calculated
value per the set time (30 seconds) is large, this is judged as NG.
Abnormality Judgment
When all of the following conditions are established, judged as OK.
Judgment Value
Malfunction Criteria
AVCS target position
AVCS positive deviation integrated value
or
AVCS negative deviation integrated
value
< –8000°CA (R bank)
< –8000°CA (L bank)
Threshold Value
≥
0°CA
< 8000°CA (R bank)
< 8000°CA (L bank)
Time Needed for Diagnosis: 30 seconds
Malfunction Indicator Light Illumination:
Illuminates when malfunction occurs in 2 continuous driving
cycles.
Normality Judgment
Judges OK when all of the following conditions are established, and clears the NG.
Judgment Value
Malfunction Criteria
AVCS target position
AVCS positive deviation integrated value
or
AVCS negative deviation integrated
value
≥
–8000°CA (R bank)
≥
–8000°CA (L bank)
Threshold Value
≥
0°CA
≤
8000°CA (R bank)
≤
8000°CA (L bank)
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 CONDITION
• When the OK driving cycle is completed 3 times in a row
• When “Clear Memory” is performed
8. FAIL SAFE
Make the oil flow control solenoid valve drive duty a predetermined value.
9. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)
GD(H4DOTC)-11
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
B: DTC P0016 CRANKSHAFT POSITION - CAMSHAFT POSITION CORRELATION
(BANK 1)
NOTE:
For the diagnostic procedure, refer to DTC P0011. <Ref. to GD(H4DOTC)-9, DTC P0011 INTAKE CAM-
SHAFT POSITION - TIMING OVER-ADVANCED OR SYSTEM PERFORMANCE (BANK 1), Diagnostic
Trouble Code (DTC) Detecting Criteria.>
C: DTC P0018 CRANKSHAFT POSITION - CAMSHAFT POSITION CORRELATION
(BANK 2)
NOTE:
For the diagnostic procedure, refer to DTC P0011. <Ref. to GD(H4DOTC)-9, DTC P0011 INTAKE CAM-
SHAFT POSITION - TIMING OVER-ADVANCED OR SYSTEM PERFORMANCE (BANK 1), Diagnostic
Trouble Code (DTC) Detecting Criteria.>
D: DTC P0021 INTAKE CAMSHAFT POSITION - TIMING OVER-ADVANCED OR
SYSTEM PERFORMANCE (BANK 2)
NOTE:
For the diagnostic procedure, refer to DTC P0011. <Ref. to GD(H4DOTC)-9, DTC P0011 INTAKE CAM-
SHAFT POSITION - TIMING OVER-ADVANCED OR SYSTEM PERFORMANCE (BANK 1), Diagnostic
Trouble Code (DTC) Detecting Criteria.>
GD(H4DOTC)-12
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
E: DTC P0030 HO2S HEATER CONTROL CIRCUIT (BANK 1 SENSOR 1)
1. OUTLINE OF DIAGNOSIS
Detect functional errors of the front oxygen (A/F) sensor heater.
Judge as NG when it is determined that the front oxygen (A/F) sensor impedance is large by referring to the
engine condition such as fuel shut-off in deceleration, etc.
2. COMPONENT DESCRIPTION
(2)
(4)
(1)
(3)
EN-01763
(1) Protection tube
(2) Gasket
(3) Sensor housing
(4) Ceramic heater
3. ENABLE CONDITION
Secondary Parameters
Time needed for all secondary parame-
ters to be in enable conditions
Battery voltage
After fuel cut
Front oxygen (A/F) sensor heater control
duty≥ 35%
Heater current
Enable Conditions
30 seconds or more
> 10.9 V
10 seconds or more
Experienced
ON
4. GENERAL DRIVING CYCLE
Perform the diagnosis continuously after 30 seconds or more have passed since the engine started.
GD(H4DOTC)-13

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