Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Manual — part 361

GD(H4DOTC)-196

Diagnostic Trouble Code (DTC) Detecting Criteria

GENERAL DESCRIPTION

5. DIAGNOSTIC METHOD

Judge as OK and clear the NG when the malfunction criteria below are met.

Time Needed for Diagnosis: 200 ms

Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.

Judgment Value

Malfunction Criteria

Threshold Value

Monitoring IC operation

The result and expected value match.

GD(H4DOTC)-197

Diagnostic Trouble Code (DTC) Detecting Criteria

GENERAL DESCRIPTION

DM:DTC P060B INTERNAL CONTROL MODULE A/D PROCESSING PERFOR-

MANCE

1. OUTLINE OF DIAGNOSIS

Judge as NG when any one of the followings is established.

(1) If the input amplifier circuit of throttle position sensor 1 is abnormal (quadruple amplification problem).

(2) If the A/D converter operation is abnormal (ADC malfunction).

2. COMPONENT DESCRIPTION

3. ENABLE CONDITIONS

4. GENERAL DRIVING CYCLE

Always perform the diagnosis continuously.

(1)

Throttle position sensor

(6)

Accelerator pedal position sensor
2

(10) CPU

(2)

Throttle position sensor 1

(7)

I/F circuit

(11) Monitoring IC

(3)

Throttle position sensor 2

(8)

Amplifier circuit

(12) EEPROM

(4)

Accelerator pedal position sensor

(9)

Engine control module (ECM)

(13) Output IC

(5)

Accelerator pedal position sensor
1

Secondary Parameters

Enable Conditions

Ignition switch

ON

Battery voltage

≥ 6 V

EN-08016

(1)

(4)

(2)

(3)

(5)

(6)

(9)

(7)

(10)

(11)

(7)

(7)

(7)

(8)

(12)

(13)

GD(H4DOTC)-198

Diagnostic Trouble Code (DTC) Detecting Criteria

GENERAL DESCRIPTION

5. DIAGNOSTIC METHOD

Judge as OK and clear the NG when the malfunction criteria below are met.

Time Needed for Diagnosis:

(1): 24 ms

(2): 200 ms

Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.

Judgment Value

Malfunction Criteria

Threshold Value

(1) |Throttle position sensor 1 opening angle – (Throttle position sen-
sor 1 opening angle after passing amplifier/4)|

< 3 °

(2) |Standard voltage – Readings of voltage value|

< 0.078125 V

GD(H4DOTC)-199

Diagnostic Trouble Code (DTC) Detecting Criteria

GENERAL DESCRIPTION

DN:DTC P0616 STARTER RELAY CIRCUIT LOW

1. OUTLINE OF DIAGNOSIS

Detect abnormal continuity in the starter SW.

Judge as OFF NG when the starter SW signal remains OFF.

2. ENABLE CONDITIONS

3. GENERAL DRIVING CYCLE

Always perform the diagnosis continuously.

4. DIAGNOSTIC METHOD

• Abnormality Judgment
Judge as OFF NG when the following conditions are established.

Time Needed for Diagnosis: Less than 1 second

Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
• Normality Judgment
Judge as OFF OK and clear the NG if the following conditions are established.

Time Needed for Diagnosis: Less than 1 second

Secondary Parameters

Enable Conditions

None

Judgment Value

Malfunction Criteria

Threshold Value

Battery voltage

≥ 8 V

Vehicle speed

< 1 km/h (0.6 MPH)

Engine condition

Change from pre-start to post-start

Starter SW signal

No ON experience

Judgment Value

Malfunction Criteria

Threshold Value

Battery voltage

≥ 8 V

Vehicle speed

< 1 km/h (0.6 MPH)

Engine condition

Change from pre-start to post-start

Starter SW signal

ON Experience exists