COMPONENT DESCRIPTION Subaru Impreza WRX STI GR

COMPONENT DESCRIPTION

Pressure control solenoid valve

PCV controls the fuel tank pressure to be equal to the atmospheric air pressure. Normally, the solenoid is set to OFF. The valve opens and closes mechanically in accordance with the pressure difference between tank and atmospheric air, or tank and canister.

The valve is forcibly opened by setting the solenoid to ON at the time of diagnosis.

Scheme 344

Valve Operation and Air Flow

In the figure below, divided by the diaphragm, the part above X is charged with atmospheric air pressure, and the part below X is charged with tank pressure. Also, the part above Y is charged with tank pressure, and the part below Y is charged with canister pressure.

If the atmospheric air pressure port is A, tank pressure port is B, and canister pressure port is C, the air flows according to pressure difference from each port as shown in the table below.

Scheme 345

AIR FLOW REFERENCE CHART

When A < B (solenoid OFF)

Scheme 346

When B < C (solenoid OFF)

Scheme 347

When Solenoid is ON

Scheme 348

Drain valve

Drain valve controls the ambient air to be introduced to the canister.

Scheme 349

0.04-inch Diagnosis

ENABLE CONDITIONS

0.02-inch Diagnosis

ENABLE CONDITIONS

Map4

MAP4 CONDITIONS

0.04-inch Diagnosis

1. Perform the diagnosis only once in 856 seconds or more after starting the engine, at a constant speed of 32 km/h (20 MPH) or more.
2. Pay attention to the fuel temperature and fuel level.

0.02-inch Diagnosis

1. Perform the diagnosis 125 seconds or more at a constant engine speed of 50 km/h (31 MPH) or higher to judge as NG or OK.
2. If judgement cannot be made, repeat the diagnosis.
3. Pay attention to the fuel level.

Purge control solenoid valve stuck open fault diagnosis

DTC

P0457 Evaporative Emission Control System Leak Detected (Fuel Cap Loose/Off)

Purpose of Mode Z

When performing the leakage diagnosis of EVAP system, the purge control solenoid valve must operate normally. Therefore, mode Z is used to diagnose the purge control solenoid valve stuck open condition. Note that if a purge control solenoid valve stuck open fault is detected, the EVAP system leakage diagnosis is cancelled.

Diagnostic method

Purge control solenoid valve functional diagnosis is performed by monitoring the tank pressure in mode Z.

1. Abnormality Judgement

If OK judgement cannot be made, extend Mode Z, and Judge as NG when the following conditions are established after predetermined amount of time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 0 ms + 3000 ms + 13000 ms

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

When judgement for purge control solenoid valve stuck open NG is made, end the evaporative diagnosis. Cancel the evaporative diagnosis when the OK/NG judgement for purge control solenoid valve stuck open cannot be made in Mode Z.

1. Normality Judgement

Judge as OK and change to Mode A when the following conditions are established after predetermined time has passed since Mode Z started.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Normal

Scheme 350

evptez - evptezha < or = 0.4 kPa (3 mmHg, 0.1 inHg) Normal when above is established

Time Needed for Diagnosis: 0 ms + 3000 ms

Purge control solenoid valve Open Fixation

Scheme 351

1. evptezini < or = 1.4 kPa (10.7 mmHg, 0.4 inHg)
2. evptez - evptezha > 0.9 kPa (6.5 mmHg, 0.3 inHg)
3. No fuel sloshing of over 2 l (0.53 US gal, 0.44 lmp gal) lasts for more than 40000 ms. Judge as abnormal when all are established.

Leak Diagnosis

DTC

P0441 Evaporative emission system incorrect purge flow

P0442 Evaporative Emission Control System Leak Detected (Small Leak)

P0457 Evaporative Emission Control System Leak Detected (Fuel Cap Loose/Off)

1. The diagnostic consists of creating a sealed vacuum in the fuel tank and then determining the presence of leakage from the speed at which the tank internal pressure returns to barometric pressure.
2. The diagnosis is divided into the following five phases.

Mode A: (Estimated evaporation gas amount)

Calculate the tank pressure change amount (P1) when using mode A. After calculating P1, switch to mode B.

Mode B: (Negative pressure sealed)

Introduce negative pressure in the intake manifold to the tank.

Approx. 0 --> -1.4 kPa (0 --> -10.5 mmHg, 0 --> -0.4 inHg)

When the pressure above (desired negative pressure) is reached, enters Mode C.

In this case, if the tank pressure does not reach the target negative pressure, judge that there is a large leakage in the system and terminate the evaporative emission control system diagnosis.

Abnormality Judgement

Judge as NG (large leakage) when the following conditions are established.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 0 ms + 3000 ms + 10000 ms + 10000 ms + 25000 ms

Mode C: (Check pressure rise)

Stop the introduction of negative pressure. (Wait until the tank pressure returns to the start level of P2 calculation.)

Change to Mode D when the tank pressure returns to the start level of P2 calculation.

Judge immediate OK and change to Mode E when it does not return in spite of spending the specified time.

JUDGEMENT TIME REFERENCE

Time Needed for Diagnosis: 0 ms + 3000 ms + 10000 ms + 10000 ms + 25000 ms + 18600 ms

Mode D: (Measure amount of negative pressure change)

Monitor the tank pressure change amount when using mode D. In this case, the tank pressure increases, (nears barometric pressure) because evaporation occurs. However, if any leakage exists, the pressure increases additionally in proportion to this leakage. The pressure variation of this tank is P2.

After calculating P2, perform a small leak diagnosis according to the items below.

When Mode D is ended

Assign tank variations measured in Mode A and Mode D, P1 and P2, to the formula below, judge small leaks in the system. If the measured judgement value exceeds the threshold value, it is judged to be a malfunction.

Abnormality Judgement

Judge as NG when the following conditions are established within the predetermined time. Judge as OK and clear the NG if the following conditions are not established within the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

*1.5 -: Evaporation amount compensation value when below negative pressure (Amount of evaporation occurrence increases as a vacuum condition increases.)

Map 5 Malfunction criteria limit for evaporation diagnosis

MAP 5 MALFUNCTION CRITERIA LIMIT FOR EVAPORATION DIAGNOSIS

Purge control solenoid valve 2 stuck close diagnosis

Perform purge control solenoid valve 2 stuck close diagnosis using the variation gap between the tank pressure at the end of mode C and after mode C.

MALFUNCTION REFERENCE CHART

Time Needed for Diagnosis: 0 ms + 3000 ms +10000 ms +10000 ms + 25000 ms +18600 ms +10000 ms

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

Leak Diagnosis

DTC

P0456 Evaporative Emission Control System Leak Detected (very small leak)

1. The diagnostic consists of creating a sealed vacuum in the fuel tank and then determining the presence of leakage from the speed at which the tank internal pressure returns to barometric pressure.
2. The diagnosis is divided into the following five phases.

Mode A: (0 point compensation)

When the pressure in the tank is not near 0 mmHg, wait until it returns to 0 point (near 0 mmHg). Shift to mode B when returned to the 0 point. Cancel the diagnosis when 0 point does not return in the specified time.

Mode B: (Negative pressure introduced)

Introduce negative pressure in the intake manifold to the tank.

Approx. 0 --> -2 kPa (0 --> -15 mmHg, 0 --> -0.6 inHg)

When the pressure above (desired negative pressure) is reached, enters Mode C.

When the tank internal pressure does not reach the target negative pressure, the diagnosis is cancelled.

Mode C: (Negative pressure maintained)

Stop the introduction of negative pressure. (Wait until the tank pressure returns to the start level of P2 calculation.)

Change to Mode D either when the tank pressure returns to the start level of P2 calculation, or when the predetermined amount of time has passed.

Mode D: (Calculate the amount of negative pressure change)

Monitor the tank pressure in mode D, calculate the pressure change in the tank (P2), and measure the time (evpdset) for the tank pressure to change to the Mode E shifting pressure. When the Mode E shifting pressure is reached, Mode E is entered. If it does not change to the Mode E shifting pressure after the predetermined amount of time has passed, make advanced OK judgement or cancel the diagnosis according to the value of P2.

Normality Judgement

Judge as OK when the following conditions are established.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Map6

MAP6 CONDITIONS

Map7

MAP7 CONDITIONS

Mode E: (Evaporation occurrence amount calculation)

Calculate the change of tank pressure with the time evpdset to judge as NG/OK according to the value of P1. (ambiguous determination acceptable).

1. Abnormality Judgement

Judge as NG when the following conditions are established.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Map 8 Malfunction criteria limit for evaporation diagnosis

MAP 8 MALFUNCTION CRITERIA LIMIT FOR EVAPORATION DIAGNOSIS

Time Needed for Diagnosis: Value of Map1+ Value of Map2 + 22820 ms + 0 + Value of Map2 + 0 ms + 200000 ms + Value of Map3 + 0 ms + 200000 ms

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

1. Normality Judgement

Judge as OK when the following conditions are established.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Map 9 Malfunction criteria limit for evaporation diagnosis

MAP 9 MALFUNCTION CRITERIA LIMIT FOR EVAPORATION DIAGNOSIS

Time Needed for Diagnosis: Value of Map1+ Value of Map2 + 22820 ms + 0 + Value of Map2 + 0 ms + 200000 ms + Value of Map3 + 0 ms + 200000 ms

Detect open or short circuit of the drain valve.

Judge as NG when the ECM output level differs from the actual terminal level.

Scheme 352

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 2500 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect open or short circuit of the drain valve.

Judge as NG when the ECM output level differs from the actual terminal level.

Scheme 353

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 2500 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect the tank pressure sensor output property abnormality.

Judge as NG when there is no pressure variation, which should exist in the tank, considering the engine status.

Scheme 354

ENABLE CONDITIONS

1. Perform the diagnosis continuously after 60 s have passed since the engine started.
2. Pay attention to the fuel level and temperature.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

If the difference between the Max. fuel level every 60 s and Min. fuel level every 60 s is less than 2 l (0.53 US gal, 0.44 lmp gal), extend 60 s and make judgement with the Max. and Min. values for the fuel level in 60 s x 2. If a difference does not appear, extend the time (60 s x 3, 60 s x 4, 60 s x 5) and continue the judgement. If the difference between the Max. fuel level every 60 s and Min. fuel level every 60 s is 2 l (0.53 US gal, 0.44 lmp gal) or more, the diagnosis counter counts up.

Time Needed for Diagnosis: 60 s x 16 time(s) or more

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect the open or short circuit of the fuel tank pressure sensor.

Judge as NG if out of specification.

Scheme 355

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 15000 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect the open or short circuit of the fuel tank pressure sensor.

Judge as NG if out of specification.

Scheme 356

ENABLE CONDITIONS

Perform the diagnosis when purging enable conditions are met without idling.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 15000 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Note. For the detection standard, refer to DTC P0442. Refer to DTC P0442 EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECTED (SMALL LEAK) , Diagnostic Trouble Code (DTC) Detecting Criteria.

Note. For the detection standard, refer to DTC P0442. Refer to DTC P0442 EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECTED (SMALL LEAK) , Diagnostic Trouble Code (DTC) Detecting Criteria.

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.

Scheme 357

ENABLE CONDITIONS

Always perform the diagnosis after starting the engine.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 2500 ms

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

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.

Scheme 358

ENABLE CONDITIONS

Always perform the diagnosis after starting the engine.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 2500 ms

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

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.

Scheme 359

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

Judge as NG when the following conditions are established.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

1. Normality Judgement

Judge as OK and clear the NG if the following conditions are established.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect the open or short circuit of fuel level sensor. Judge as NG if out of specification.

Scheme 360

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 2500 ms

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect the open or short circuit of fuel level sensor. Judge as NG if out of specification.

Scheme 361

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

if the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 1000 ms

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect the unstable output faults from the fuel level sensor caused by noise. Judge as NG when the max. value and cumulative value of output voltage variation of the fuel level sensor is larger than the threshold value.

ENABLE CONDITIONS

1. Always perform the diagnosis continuously at idle speed.
2. Pay attention to the fuel level.

Calculate the Max. value (DELFLMAX) and cumulative value (SUMFL) of output voltage variation of fuel level sensor during 12.2 seconds. Judge it normal when both max. and cumulative values are not over the threshold value. Otherwise, when either of them is over the threshold value, the diagnosis counter counts up. Judge as NG if the counter indicated 4 time(s).

Scheme 362

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Map

MAP CONDITIONS

The diagnosis counter does not count up when the following conditions are completed within 12288 ms.

DIAGNOSIS CONDITIONS

Time Needed for Diagnosis: 12288 ms x 4 time(s)

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 12288 ms

Judge as NG when outside of the judgement value.

Judge NG when the received data from ABSCM&H/U is abnormal vehicle speed, and the vehicle speed data is impossible.

Vehicle speed signals are taken in to the ABS control module and hydraulic control unit, and normal/erroneous data of the ABS wheel speed sensor is received by CAN communication from the ABS control module and hydraulic control unit.

ENABLE CONDITIONS

Always perform diagnosis more than 2000 ms after starting the engine.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 512 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 512 ms

Detect the open or short circuit of starter SW.

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

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 180000 ms

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

OUTLINE OF DIAGNOSIS

When starting the engine.

Perform the diagnosis only after starting the engine.

Judge as NG when the conditions for the outline of the diagnosis of the top are established.

Detect malfunction of CAN communication.

When CAN communications is not possible, and CAN communications with TCM is not possible, judge as NG if data from the TCM is not normal.

ECM and TCM are connected by high speed CAN.

(Common Specifications)

CAN Protocol 2.0 B (Active)

Frame Format: 11 Bit ID Frame (Standard Frame)

(High speed CAN)

Conforms to IS011898

Communication Speed: 500 kbps

ENABLE CONDITIONS

Perform the diagnosis continuously after starting the engine.

1. Abnormality Judgement

Judge as NG when the following conditions are established.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 1000 ms

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

Detect the malfunction of microcomputer (RAM).

When there is a problem in the main CPU normal RAM, or the sub CPU normal RAM, judge as NG. Judge as OK when both are operating properly.

If it is possible to write data to the whole area of RAM in the initial routine, and is possible to read the same data, it is judged as OK, and if not, NG.

ENABLE CONDITIONS

Diagnosis with the initial routine.

Perform the diagnosis as soon as the ignition switch is turned to ON.

Abnormality Judgement

Judge as NG if the criteria below are met.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Undetermined

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

Normality Judgement

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

Judgement Value

MALFUNCTION THRESHOLD VALUE

Judge as NG when SUM value of ROM is outside the standard value.

ENABLE CONDITIONS

Always perform the diagnosis continuously.

Abnormality Judgement

Judge as NG if the criteria below are met.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Undetermined

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

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

1. When the read value of throttle position sensor 1 signal is mismatched between main CPU and sub CPU.
2. When the read value of accelerator pedal position sensor 1 signal is mismatched between main CPU and sub CPU.
3. When the sub CPU operates abnormally.
4. When the communication between main CPU <--> sub CPU is abnormal.
5. When the input amplifier circuit of throttle position sensor 1 is abnormal.
6. When the cruise control cannot be canceled correctly.
7. When the signal of brake SW1 and 2 is mismatched.

Scheme 363

ENABLE CONDITIONS

1. (1) - (4): Always perform the diagnosis continuously.
2. (5): Always perform the diagnosis continuously when idling.
3. (6): Perform the diagnosis when the brake pedal is depressed.
4. (7): Always perform the diagnosis continuously.
5. (8): Always perform the diagnosis continuously when the cruise control pedal is not operating.

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

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis

1. 600 milliseconds
2. 830 milliseconds
3. 200 milliseconds
4. 200 milliseconds
5. 24 milliseconds
6. 250 milliseconds
7. 200 milliseconds

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

Judge as NG when the target opening angle and actual opening angle is mismatched or the current to motor is the specified duty or more for specified time continuously.

Scheme 364

ENABLE CONDITIONS

Always perform the diagnosis continuously when the electronic throttle control is operating.

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

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis

1. Target opening angle and actual opening angle: 250 milliseconds (For NG) 2000 milliseconds (For OK)
2. Output duty to drive circuit: 2000 milliseconds

Details of Judgement Value

Scheme 365

Details of Judgement time (The actual opening angle < target opening angle is always 1000 milliseconds)

Scheme 366

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

Judge as NG when there is CAN communication with the TCM and there is a MIL lighting request.

MALFUNCTION THRESHOLD VALUE

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 2500 ms

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

1. Normality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect the open or short circuit of neutral SW.

Judge as NG when the neutral terminal input in ECM differs from the received data from TCM.

ENABLE CONDITIONS

Perform the diagnosis continuously after two seconds have passed since the engine started.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 100 time(s)

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Judge the open or short circuit of the neutral SW.

Judge as NG when there is no change in the neutral SW even if the driving shift was applied. (There is neutral SW ON/OFF inversion from the vehicle speed and engine speed.)

ENABLE CONDITIONS

Perform the diagnosis continuously in 2 seconds after starting the engine.

1. Abnormality Judgement

Judge NG when the malfunction criteria below are completed determined times or more after the neutral SW change.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 3 time(s)

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

1. Normality Judgement

Judge as OK and clear NG when there is change in the neutral SW.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Judge the open or short circuit of the neutral SW.

Judge as NG when the ECM neutral terminal input differs from the reception data from TCM.

ENABLE CONDITIONS

Perform the diagnosis continuously in 2 seconds after starting the engine.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 100 time(s)

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Judge the open or short circuit of the neutral SW.

Judge as NG when there is no change in the neutral SW even if the driving shift was applied. (There is neutral SW ON/OFF inversion from the vehicle speed and engine speed.)

ENABLE CONDITIONS

Perform the diagnosis continuously in 2 seconds after starting the engine.

1. Abnormality Judgement

Judge NG when the malfunction criteria below are completed determined times or more after the neutral SW change.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 3 time(s)

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

1. Normality Judgement

Judge as OK and clear NG when there is change in the neutral SW.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect that lambda value remains low.

Judge as NG when lambda value is abnormal in accordance with lambda value of front oxygen (A/F) sensor and running conditions such as vehicle speed, amount of intake air, engine coolant temperature, sub feedback control, etc.

lambda VALUE

Scheme 367

ENABLE CONDITIONS

Perform diagnosis continuously at a constant speed of 20 km/h (12.4 MPH) or more after 60000 ms have passed since the engine started.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 10000 ms

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect that lambda value remains high.

Judge as NG when lambda value is abnormal in accordance with lambda value of front oxygen (A/F) sensor and running conditions such as vehicle speed, amount of intake air, engine coolant temperature, sub feedback control, etc.

lambda VALUE

Scheme 368

ENABLE CONDITIONS

Perform diagnosis continuously at a constant speed of 20 km/h (12.4 MPH) or more after 60000 ms have passed since the engine started.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 10000 ms

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

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.

Scheme 369

ENABLE CONDITIONS

1. Ignition switch ON --> OFF
2. Ignition switch OFF --> ON (Only after clearing memory)

1. Abnormality Judgement

Judge as NG when the following conditions are established.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 24 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the following conditions are established.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 3400 ms

Detect the open/short circuit of pressure control solenoid valve.

Judge as NG when ECM output level is different from actual terminal level.

Scheme 370

ENABLE CONDITIONS

Always perform the diagnosis after starting the engine.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 2500 ms

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Always detect abnormality that both combination valve electromagnetic valve and the reed valve are open failure. Calculate the integrated value of Max./Min. value and output voltage deviation of the secondary air delivery pipe pressure sensor output voltage in a given time after engine start. Judge as NG if the integrated value and the difference between Max. and Min. values are large.

ENABLE CONDITIONS

Perform continuous diagnosis when air flow amount is large during the secondary air pump stop after engine start.

When both combination valve electromagnetic valve and the reed valve are open failure, the failure appears as pulses in the secondary air delivery pipe pressure sensor output. Detect abnormality by capturing these pulses using the following method.

1. Abnormality Judgement

Calculate Max./Min. value of the secondary air delivery pipe pressure sensor output voltage and the sum of the output voltage deviation for the given time. Compare the difference between Max. and Min. values with threshold value and also compare the sum value with the threshold value. If both values exceed the threshold value, count up NG counter and then judge as NG if the counter reaches the given times.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 2000 ms x 20 time(s)

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

1. Normality Judgement

Judge as OK and clear NG if neither exceeds the threshold value, or if either of the two exceeds the threshold value.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 2000 ms

Judge as NG when the ECM output level differs from the actual terminal level.

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 2500 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect the open/short circuit of pressure control solenoid valve.

Judge as NG when ECM output level is different from actual terminal level.

Scheme 371

ENABLE CONDITIONS

Always perform the diagnosis after starting the engine.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 2500 ms

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect the abnormal function (stuck closed) of the drain valve.

Judge as NG when fuel tank pressure is low.

Scheme 372

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 3000 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect the blow-by hose release abnormality.

Judge as NG when the diagnosis terminal voltage is high.

Scheme 373

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 2500 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect the open/short circuit of back-up power supply circuit.

Judge as NG when the backup power voltage is low.

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 2500 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Note. For the detection standard, refer to DTC P0513. Refer to DTC P0513 INCORRECT IMMOBILIZER KEY , Diagnostic Trouble Code (DTC) Detecting Criteria.

Note. For the detection standard, refer to DTC P0513. Refer to DTC P0513 INCORRECT IMMOBILIZER KEY , Diagnostic Trouble Code (DTC) Detecting Criteria.

Note. For the detection standard, refer to DTC P0513. Refer to DTC P0513 INCORRECT IMMOBILIZER KEY , Diagnostic Trouble Code (DTC) Detecting Criteria.

Note. For the detection standard, refer to DTC P0513. Refer to DTC P0513 INCORRECT IMMOBILIZER KEY , Diagnostic Trouble Code (DTC) Detecting Criteria.

Note. For the detection standard, refer to DTC P0513. Refer to DTC P0513 INCORRECT IMMOBILIZER KEY , Diagnostic Trouble Code (DTC) Detecting Criteria.

Note. For the detection standard, refer to DTC P0513. Refer to DTC P0513 INCORRECT IMMOBILIZER KEY , Diagnostic Trouble Code (DTC) Detecting Criteria.

Note. For the detection standard, refer to DTC P0513. Refer to DTC P0513 INCORRECT IMMOBILIZER KEY , Diagnostic Trouble Code (DTC) Detecting Criteria.

Detect malfunctions of the catalyst advanced idling retard angle control.

Judge as NG when ECM is not controlling the angle properly during catalyst advanced idling retard angle control.

Judge as NG if there is exhaust gas temperature diagnosis and idle speed diagnosis and if either of them is NG.

1. Exhaust gas temperature diagnosis
2. Idle speed diagnosis

Judge as NG when actual engine speed is not close to target engine speed after terminating the retard angle control.

ENABLE CONDITIONS

Perform the diagnosis at cold start.

1. Exhaust gas temperature diagnosis

Abnormality Judgement

Calculate the estimated exhaust gas temperature when the diagnostic enable condition is established. Judge as NG when the following conditions are established after engine starting within the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Map

MAP CONDITIONS

Time Needed for Diagnosis: 14 seconds

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

Normality Judgement

Judge as OK and clear the NG if the following conditions are established.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

1. Idle speed diagnosis

Abnormality Judgement

Judge as NG when the following conditions are established after the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 14 seconds

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

Normality Judgement

Judge as OK and clear the NG if the following conditions are established.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect the malfunction of tumble generator valve motor function.

Judge open fixing malfunction when the opening degree is large even after finishing the tumble generator valve closing driving.

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 3000 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect the malfunction of tumble generator valve motor function.

Judge open fixing malfunction when the opening degree is large even after finishing the tumble generator valve closing driving.

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 3000 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect the malfunction of tumble generator valve motor function.

Judge close fixing malfunction when the opening degree is small even after finishing the tumble generator valve open driving.

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 3000 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect the malfunction of tumble generator valve motor function.

Judge close fixing malfunction when the opening degree is small even after finishing the tumble generator valve open driving.

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 3000 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect the open or short circuit of tumble generator valve motor.

Judge as NG when the open signal is sent from IC after tumble generator valve driving IC diagnosis.

Scheme 374

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

At the main IC, check the sent signal at each timing which occurs immediately after the tumble generator valve output is set to OFF --> ON, and judge open NG when the open NG signal is sent 96 ms x 20 time(s) in a row.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 96 ms x 20 time(s)

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

1. Normality Judgement

Judge as OK and clear the NG when the OK signal is sent.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect the open or short circuit of tumble generator valve motor.

Judge as NG when the overcurrent signal is sent from IC after tumble generator valve driving IC diagnosis.

Scheme 375

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

At the main IC, check the sent signal at each timing which occurs immediately after the tumble generator valve output is set to OFF --> ON, and judge overcurrent NG when the overcurrent NG signal is sent 96 ms x 10 time(s) in a row.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 96 ms x 10 time(s)

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

1. Normality Judgement

Judge as OK and clear the NG when the OK signal is sent.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect the open or short circuit of tumble generator valve motor.

Judge as NG when the open signal is sent from IC after tumble generator valve driving IC diagnosis.

Scheme 376

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

At the main IC, check the sent signal at each timing which occurs immediately after the tumble generator valve output is set to OFF --> ON, and judge open NG when the open NG signal is sent 96 ms x 20 time(s) in a row.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 96 ms x 20 time(s)

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

1. Normality Judgement

Judge as OK and clear the NG when the OK signal is sent.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect the open or short circuit of tumble generator valve motor.

Judge as NG when the overcurrent signal is sent from IC after tumble generator valve driving IC diagnosis.

Scheme 377

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

At the main IC, check the sent signal at each timing which occurs immediately after the tumble generator valve output is set to OFF --> ON, and judge overcurrent NG when the overcurrent NG signal is sent 96 ms x 10 time(s) in a row.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 96 ms x 10 time(s)

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

1. Normality Judgement

Judge as OK and clear the NG when the OK signal is sent.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect open or short circuit of tumble generator valve position sensor.

Judge as NG if out of specification.

Scheme 378

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 500 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect open or short circuit of tumble generator valve position sensor.

Judge as NG if out of specification.

Scheme 379

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 500 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect open or short circuit of tumble generator valve position sensor.

Judge as NG if out of specification.

Scheme 380

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 500 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect open or short circuit of tumble generator valve position sensor.

Judge as NG if out of specification.

Scheme 381

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 500 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect open or short circuit of the oil flow control solenoid valve.

Judge as NG when the current is small even though the duty signal is large.

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 2000 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 2000 ms

Detect open or short circuit of oil flow control solenoid valve.

Judge as NG when the current is large even though the duty signal is small.

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 2000 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 2000 ms

Note. For the detection standard, refer to DTC P2088. Refer to DTC P2088 INTAKE CAMSHAFT POSITION ACTUATOR CONTROL CIRCUIT LOW (BANK 1) , Diagnostic Trouble Code (DTC) Detecting Criteria.

Note. For the detection standard, refer to DTC P2089. Refer to DTC P2089 INTAKE CAMSHAFT POSITION ACTUATOR CONTROL CIRCUIT HIGH (BANK 1) , Diagnostic Trouble Code (DTC) Detecting Criteria.

Detect the malfunction of fuel system from the size of the sub feedback learning value.

Control the sub feedback learning and judge as NG when the learning value is in the lean zone.

Scheme 382

ENABLE CONDITIONS

Perform the diagnosis continuously when the vehicle is idling or running at a constant speed of 80 km/h (50 MPH) or more.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 5 s x 1 time(s)

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 5 s

Detect the malfunction of fuel system from the size of the sub feedback learning value.

Sub feedback learning is being performed. When the learning value goes to the rich side, judge as NG.

Scheme 383

ENABLE CONDITIONS

Perform the diagnosis continuously when the vehicle is idling or running at a constant speed of 80 km/h (50 MPH) or more.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 5 s x 1 time(s)

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 5 s

Judge as NG when the motor current becomes large or drive circuit is heated.

Scheme 384

ENABLE CONDITIONS

Always perform the diagnosis continuously.

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

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis

1. 500 milliseconds (For NG)
2. 2000 milliseconds (For OK)

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

Judge as NG when the electronic throttle control power is not supplied even when ECM sets the electronic throttle control relay to ON.

Scheme 385

ENABLE CONDITIONS

Always perform the diagnosis continuously.

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

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis

1. 400 milliseconds (For NG)
2. 2000 milliseconds (For OK)

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

Judge as NG when the electronic throttle control power is supplied even when ECM sets the electronic throttle control relay to OFF.

Scheme 386

ENABLE CONDITIONS

1. When ignition switch ON --> OFF
2. Ignition switch OFF --> ON (Only after clearing memory)

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

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis

1. 600 milliseconds (For NG)
2. 400 milliseconds (For OK)

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

Judge as NG when full close point learning cannot conducted or abnormal value is detected.

Scheme 387

ENABLE CONDITIONS

Perform the diagnosis at full closed point learning.

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

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 8 - 80 milliseconds

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

Detect the open or short circuit of accelerator pedal position sensor 1.

Judge as NG if out of specification.

Scheme 388

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 100 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 100 ms

Detect the open or short circuit of accelerator pedal position sensor 1.

Judge as NG if out of specification.

Scheme 389

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 32 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 32 ms

Detect the open or short circuit of accelerator pedal position sensor 2.

Judge as NG if out of specification.

Scheme 390

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 100 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 100 ms

Detect the open or short circuit of accelerator pedal position sensor 2.

Judge as NG if out of specification.

Scheme 391

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 100 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 100 ms

Judge as NG when the signal level of throttle position sensor 1 is different from the throttle position sensor 2.

Scheme 392

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Map

MAP CONDITION

Time Needed for Diagnosis: 212 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 24 ms

Judge as NG when the signal level of throttle position sensor 1 is different from the throttle position sensor 2.

Scheme 393

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Map

MAP CONDITIONS

Time Needed for Diagnosis: 116 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 116 ms

Detect open or short circuit of the purge control solenoid valve 2.

Judge as NG when the ECM output level differs from the actual terminal level.

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 2500 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect open or short circuit of the purge control solenoid valve 2.

Judge as NG when the ECM output level differs from the actual terminal level.

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 2500 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Detect the malfunction of secondary air pressure sensor output property.

Judge as NG when the secondary air pressure sensor output is largely different from the intake manifold pressure at engine start.

ENABLE CONDITIONS

Perform the diagnosis with ignition switch ON.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 328 ms

Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 262 ms

Judge as NG if out of specification.

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 500 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Judge as NG if out of specification.

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 500 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: Less than 1 second

Note. For the detection standard, refer to DTC P0410. Refer to DTC P0410 SECONDARY AIR INJECTION SYSTEM , Diagnostic Trouble Code (DTC) Detecting Criteria.

Note. For the detection standard, refer to DTC P0410. Refer to DTC P0410 SECONDARY AIR INJECTION SYSTEM , Diagnostic Trouble Code (DTC) Detecting Criteria.

Note. For the detection standard, refer to DTC P0410. Refer to DTC P0410 SECONDARY AIR INJECTION SYSTEM , Diagnostic Trouble Code (DTC) Detecting Criteria.

Note. For the detection standard, refer to DTC P0410. Refer to DTC P0410 SECONDARY AIR INJECTION SYSTEM , Diagnostic Trouble Code (DTC) Detecting Criteria.

Detect the secondary air pump malfunction (always ON).

After the secondary air pump turns to OFF, judge as NG if the secondary air pipe pressure is higher than that before the secondary air pump operation.

ENABLE CONDITIONS

Always perform the diagnosis continuously.

1. Abnormality Judgement

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 8000 ms

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

1. Normality Judgement

Judge as OK and clear the NG if the continuous time while the following conditions are established is more than the predetermined time.

Judgement Value

MALFUNCTION THRESHOLD VALUE

Time Needed for Diagnosis: 8000 ms

See also:
• DTC P0011 INTAKE CAMSHAFT POSITION - TIMING OVER-ADVANCED OR SYSTEM PERFORMANCE (BANK 1)