Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 346
GD(H4DOTC)-136
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
BZ:DTC P0351 IGNITION COIL A PRIMARY/SECONDARY CIRCUIT
1. OUTLINE OF DIAGNOSIS
Based on the self-diagnostic result of the ignition coil driving IC, judge the ignition coil driving circuit as normal
or abnormal.
The ignition coil driving IC detects “no ignition” status as a malfunction.
2. ENABLE CONDITIONS
3. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
4. DIAGNOSTIC METHOD
• Abnormality Judgment
Judge as NG when the following conditions are established.
Time Needed for Diagnosis: 2500 ms
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
• Normality Judgment
Judge as OK and clear the NG if the following conditions are established.
Time Needed for Diagnosis: Less than 1 second
CA:DTC P0352 IGNITION COIL B PRIMARY/SECONDARY CIRCUIT
1. OUTLINE OF DIAGNOSIS
NOTE:
For the detection standard, refer to DTC P0351. <Ref. to GD(H4DOTC)-136, DTC P0351 IGNITION COIL A
PRIMARY/SECONDARY CIRCUIT, Diagnostic Trouble Code (DTC) Detecting Criteria.>
CB:DTC P0353 IGNITION COIL C PRIMARY/SECONDARY CIRCUIT
1. OUTLINE OF DIAGNOSIS
NOTE:
For the detection standard, refer to DTC P0351. <Ref. to GD(H4DOTC)-136, DTC P0351 IGNITION COIL A
PRIMARY/SECONDARY CIRCUIT, Diagnostic Trouble Code (DTC) Detecting Criteria.>
CC:DTC P0354 IGNITION COIL D PRIMARY/SECONDARY CIRCUIT
1. OUTLINE OF DIAGNOSIS
NOTE:
For the detection standard, refer to DTC P0351. <Ref. to GD(H4DOTC)-136, DTC P0351 IGNITION COIL A
PRIMARY/SECONDARY CIRCUIT, Diagnostic Trouble Code (DTC) Detecting Criteria.>
Secondary Parameters
Enable Conditions
Battery voltage
≥ 10.9 V
Elapsed time after starting the engine
> 1 s
Engine speed
> 500 rpm
Ignition energization time
> 2000 µs
Ignition status
Not during ignition cut
Judgment Value
Malfunction Criteria
Threshold Value
Ignition driving IC information
Malfunction
Judgment Value
Malfunction Criteria
Threshold Value
Ignition driving IC information
Normal
GD(H4DOTC)-137
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CD:DTC P0365 CAMSHAFT POSITION SENSOR “B” CIRCUIT (BANK 1)
1. OUTLINE OF DIAGNOSIS
Detect the open or short circuit of the camshaft position sensor.
When there is no camshaft position signal input continuously, judge as NG.
2. ENABLE CONDITIONS
3. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
4. DIAGNOSTIC METHOD
• Abnormality Judgment
Judge as NG when no input of camshaft position sensor signal in TDC remains for 10 time(s).
Time Needed for Diagnosis: TDC × 10 time(s)
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
• Normality Judgment
Judge as OK and clear the NG when the malfunction criteria below are met.
Time Needed for Diagnosis: Two engine revs.
Secondary Parameters
Enable Conditions
Battery voltage
≥ 8 V
Elapsed time after starting the engine
≥ 200 ms
Judgment Value
Malfunction Criteria
Threshold Value
No camshaft position sensor signal input in TDC
≥ 10 time(s)
Judgment Value
Malfunction Criteria
Threshold Value
No camshaft position sensor signal input in TDC
= 0 time(s)
GD(H4DOTC)-138
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CE:DTC P0366 CAMSHAFT POSITION SENSOR B CIRCUIT RANGE/PERFOR-
MANCE (BANK 1)
1. OUTLINE OF DIAGNOSIS
Detect the malfunction of camshaft position sensor property.
Judge as NG when the number of camshaft signals remains abnormal.
2. ENABLE CONDITIONS
3. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
4. DIAGNOSTIC METHOD
• Abnormality Judgment
Judge as NG when the status where the number of camshaft position sensor signal in two crankshaft revo-
lutions is other than 2 time(s).
Time Needed for Diagnosis: Two engine revs. × 4 time(s)
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
• Normality Judgment
Judge as OK and clear the NG when the malfunction criteria below are met.
Time Needed for Diagnosis: Two engine revs.
CF:DTC P0390 CAMSHAFT POSITION SENSOR “B” CIRCUIT (BANK 2)
1. OUTLINE OF DIAGNOSIS
NOTE:
For the detection standard, refer to DTC P0365. <Ref. to GD(H4DOTC)-137, DTC P0365 CAMSHAFT PO-
SITION SENSOR “B” CIRCUIT (BANK 1), Diagnostic Trouble Code (DTC) Detecting Criteria.>
CG:DTC P0391 CAMSHAFT POSITION SENSOR B CIRCUIT RANGE/PERFOR-
MANCE (BANK 2)
1. OUTLINE OF DIAGNOSIS
NOTE:
For the detection standard, refer to DTC P0366. <Ref. to GD(H4DOTC)-138, DTC P0366 CAMSHAFT PO-
SITION SENSOR B CIRCUIT RANGE/PERFORMANCE (BANK 1), Diagnostic Trouble Code (DTC) Detect-
Secondary Parameters
Enable Conditions
Battery voltage
≥ 8 V
Elapsed time after starting the engine
≥ 200 ms
Judgment Value
Malfunction Criteria
Threshold Value
Amount of camshaft sensor signal during 2 revs of crankshaft.
≠ 2 time(s)
Judgment Value
Malfunction Criteria
Threshold Value
Camshaft position sensor signal
= 2 time(s)
GD(H4DOTC)-139
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CH:DTC P0410 SECONDARY AIR INJECTION SYSTEM
1. OUTLINE OF DIAGNOSIS
Detect NG judging from secondary air delivery pipe pressure, pulse of secondary air delivery pipe pressure
and secondary air pipe airflow amount.
2. ENABLE CONDITIONS
3. GENERAL DRIVING CYCLE
Perform diagnosis during secondary air pump operation
Secondary Parameters
Enable Conditions
Pump supply pressure check
Estimate ambient temperature
≥ 4.4 °C
Battery voltage
≥ 10.9 V
Atmospheric pressure
≥ 75 kPa (563 mmHg, 22.2 inHg)
Engine
In operation
Amount of intake air
≥ 2 g/s (0.07 oz/s)
Secondary air pump
Operating
Combination valve
Bank open (Except with both
banks closed)
Combination valve both closed pulse diagnosis
Estimate ambient temperature
≥ 4.4 °C
Battery voltage
≥ 10.9 V
Atmospheric pressure
≥ 75 kPa (563 mmHg, 22.2 inHg)
Engine
In operation
Engine load
≥ 0.2 g/rev (0.01 oz/rev)
After fuel cut
≥ 1000 ms
Combination valve changeover pressure diagnosis
Estimate ambient temperature
≥ 4.4 °C
Battery voltage
≥ 10.9 V
Atmospheric pressure
≥ 75 kPa (563 mmHg, 22.2 inHg)
Engine
In operation
Amount of intake air
> 2 g/s (0.07 oz/s)
and
< 25 g/s (0.88 oz/s)
Engine speed
< 4000 rpm
After fuel cut
≥ 1000 ms
Overflow diagnosis
Estimate ambient temperature
≥ 4.4 °C
Battery voltage
≥ 10.9 V
Atmospheric pressure
≥ 75 kPa (563 mmHg, 22.2 inHg)
Engine
In operation
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