Subaru Crosstrek manuals

Subaru Crosstrek Service Manual: Drive cycle Procedure

ENGINE (DIAGNOSTICS)(H4DO) > Drive Cycle

PROCEDURE

It is necessary to perform the drive cycle listed below if DTC is not found in the Inspection Mode. It is possible to complete diagnosis of the DTC by performing the indicated drive cycle. After the repair for the DTC, perform a necessary drive cycle and make sure the function recovers and the DTC is recorded.

1. PREPARATION FOR DRIVE CYCLE

1. Check that the battery voltage is 12 V or more and fuel remains approx. half [20 — 40 L (5.3 — 10.6 US gal, 4.4 — 8.8 Imp gal)].

2. After performing the diagnostics and Clear Memory Mode, check that no DTC remains. Clear Memory Mode">

3. Check the delivery (test) mode fuse is removed.

NOTE:

Perform the drive cycle after warming up the engine except when the engine coolant temperature at engine start is specified.

Perform the drive cycle twice if the DTC in the list is marked with *. After completing the first drive cycle, stop the engine and perform second diagnosis in same condition.

2. DRIVE CYCLE A

DTC

Item

Condition

*P0128

COOLANT THERMOSTAT (ENGINE COOLANT TEMPERATURE BELOW THERMOSTAT REGULATING TEMPERATURE)

*P0141

O2 SENSOR HEATER CIRCUIT BANK 1 SENSOR 2

*P014C

A/F / O2 SENSOR SLOW RESPONSE - RICH TO LEAN BANK 1 SENSOR 1

*P014D

A/F / O2 SENSOR SLOW RESPONSE - LEAN TO RICH BANK 1 SENSOR 1

*P015A

A/F / O2 SENSOR DELAYED RESPONSE - RICH TO LEAN BANK 1 SENSOR 1

*P015B

A/F / O2 SENSOR DELAYED RESPONSE - LEAN TO RICH BANK 1 SENSOR 1

*P0171

SYSTEM TOO LEAN BANK 1

Complete diagnosis with drive cycle B or C as well.

*P0172

SYSTEM TOO RICH BANK 1

Complete diagnosis with drive cycle B or C as well.

*P0300

RANDOM/MULTIPLE CYLINDER MISFIRE DETECTED

Complete diagnosis with drive cycle B or C as well.

*P0301

CYLINDER 1 MISFIRE DETECTED

Complete diagnosis with drive cycle B or C as well.

*P0302

CYLINDER 2 MISFIRE DETECTED

Complete diagnosis with drive cycle B or C as well.

*P0303

CYLINDER 3 MISFIRE DETECTED

Complete diagnosis with drive cycle B or C as well.

*P0304

CYLINDER 4 MISFIRE DETECTED

Complete diagnosis with drive cycle B or C as well.

*P0459

EVAP SYSTEM (CPC) PURGE CONTROL VALVE "A" CIRCUIT HIGH

*P2096

POST CATALYST FUEL TRIM SYSTEM TOO LEAN BANK 1

Complete diagnosis with drive cycle B or C as well.

*P2097

POST CATALYST FUEL TRIM SYSTEM TOO RICH BANK 1

Complete diagnosis with drive cycle B or C as well.

P2195

A/F /O2 SENSOR SIGNAL BIASED/STUCK LEAN BANK 1 SENSOR 1

P2196

A/F /O2 SENSOR SIGNAL BIASED/STUCK RICH BANK 1 SENSOR 1

Diagnostic procedure:

1. Drive for 20 minutes or more at a constant speed of 80 km/h (50 MPH) or more.

2. Stop the vehicle and idle for one minute.

3. DRIVE CYCLE B

DTC

Item

Condition

*P0125

INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL

«Coolant Temp.» at engine start: Less than −15°C (5°F)

P0137

O2 SENSOR CIRCUIT LOW VOLTAGE BANK 1 SENSOR 2

P0138

O2 SENSOR CIRCUIT HIGH VOLTAGE BANK 1 SENSOR 2

*P0171

SYSTEM TOO LEAN BANK 1

Complete diagnosis with drive cycle A or C as well.

*P0172

SYSTEM TOO RICH BANK 1

Complete diagnosis with drive cycle A or C as well.

*P0300

RANDOM/MULTIPLE CYLINDER MISFIRE DETECTED

Complete diagnosis with drive cycle A or C as well.

*P0301

CYLINDER 1 MISFIRE DETECTED

Complete diagnosis with drive cycle A or C as well.

*P0302

CYLINDER 2 MISFIRE DETECTED

Complete diagnosis with drive cycle A or C as well.

*P0303

CYLINDER 3 MISFIRE DETECTED

Complete diagnosis with drive cycle A or C as well.

*P0304

CYLINDER 4 MISFIRE DETECTED

Complete diagnosis with drive cycle A or C as well.

P0500

VEHICLE SPEED SENSOR "A" CIRCUIT

*P0506

IDLE CONTROL SYSTEM RPM - LOWER THAN EXPECTED

*P0507

IDLE CONTROL SYSTEM RPM - HIGHER THAN EXPECTED

P0700

TRANSMISSION CONTROL SYSTEM (MIL REQUEST)

*P2096

POST CATALYST FUEL TRIM SYSTEM TOO LEAN BANK 1

Complete diagnosis with drive cycle A or C as well.

*P2097

POST CATALYST FUEL TRIM SYSTEM TOO RICH BANK 1

Complete diagnosis with drive cycle A or C as well.

Diagnostic procedure:

1. Drive at 10 km/h (6 MPH) or more.

2. Stop the vehicle and idle for ten minutes.

4. DRIVE CYCLE C

DTC

Item

Condition

*P000A

"A" CAMSHAFT POSITION SLOW RESPONSE BANK 1

*P000B

"B" CAMSHAFT POSITION SLOW RESPONSE BANK 1

*P000C

"A" CAMSHAFT POSITION SLOW RESPONSE BANK 2

*P000D

"B" CAMSHAFT POSITION SLOW RESPONSE BANK 2

P0011

"A" CAMSHAFT POSITION - TIMING OVER-ADVANCED OR SYSTEM PERFORMANCE BANK 1

P0014

"B" CAMSHAFT POSITION - TIMING OVER-ADVANCED OR SYSTEM PERFORMANCE BANK 1

P0021

"A" CAMSHAFT POSITION - TIMING OVER-ADVANCED OR SYSTEM PERFORMANCE BANK 2

P0024

"B" CAMSHAFT POSITION - TIMING OVER-ADVANCED OR SYSTEM PERFORMANCE BANK 2

*P0030

A/F / O2 HEATER CONTROL CIRCUIT BANK 1 SENSOR 1

*P0068

MAP/MAF - THROTTLE POSITION CORRELATION

*P0101

MASS OR VOLUME AIR FLOW SENSOR "A" CIRCUIT RANGE/PERFORMANCE

P0134

A/F / O2 SENSOR CIRCUIT NO ACTIVITY DETECTED BANK 1 SENSOR 1

*P013A

O2 SENSOR SLOW RESPONSE - RICH TO LEAN BANK 1 SENSOR 2

*P013B

O2 SENSOR SLOW RESPONSE - LEAN TO RICH BANK 1 SENSOR 2

*P013E

O2 SENSOR DELAYED RESPONSE - RICH TO LEAN BANK 1 SENSOR 2

*P013F

O2 SENSOR DELAYED RESPONSE - LEAN TO RICH BANK 1 SENSOR 2

*P0171

SYSTEM TOO LEAN BANK 1

Complete diagnosis with drive cycle A or B as well.

*P0172

SYSTEM TOO RICH BANK 1

Complete diagnosis with drive cycle A or B as well.

*P0300

RANDOM/MULTIPLE CYLINDER MISFIRE DETECTED

Complete diagnosis with drive cycle A or B as well.

*P0301

CYLINDER 1 MISFIRE DETECTED

Complete diagnosis with drive cycle A or B as well.

*P0302

CYLINDER 2 MISFIRE DETECTED

Complete diagnosis with drive cycle A or B as well.

*P0303

CYLINDER 3 MISFIRE DETECTED

Complete diagnosis with drive cycle A or B as well.

*P0304

CYLINDER 4 MISFIRE DETECTED

Complete diagnosis with drive cycle A or B as well.

*P0400

EGR "A" FLOW

*P0420

CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD BANK 1

P0851

PARK/NEUTRAL SWITCH INPUT CIRCUIT LOW

P0852

PARK/NEUTRAL SWITCH INPUT CIRCUIT HIGH

*P1449

EVAP SYSTEM CLOG DETECTED (AIR FILTER)

P1492

COIL 1 EGR "A" CONTROL CIRCUIT LOW

P1493

COIL 1 EGR "A" CONTROL CIRCUIT HIGH

P1494

COIL 2 EGR "A" CONTROL CIRCUIT LOW

P1495

COIL 2 EGR "A" CONTROL CIRCUIT HIGH

P1496

COIL 3 EGR "A" CONTROL CIRCUIT LOW

P1497

COIL 3 EGR "A" CONTROL CIRCUIT HIGH

P1498

COIL 4 EGR "A" CONTROL CIRCUIT LOW

P1499

COIL 4 EGR "A" CONTROL CIRCUIT HIGH

P2004

TGV CONTROL STUCK OPEN BANK 1

P2005

TGV CONTROL STUCK OPEN BANK 2

*P2096

POST CATALYST FUEL TRIM SYSTEM TOO LEAN BANK 1

Complete diagnosis with drive cycle A or B as well.

*P2097

POST CATALYST FUEL TRIM SYSTEM TOO RICH BANK 1

Complete diagnosis with drive cycle A or B as well.

P2270

O2 SENSOR SIGNAL BIASED/STUCK LEAN BANK 1 SENSOR 2

P2271

O2 SENSOR SIGNAL BIASED/STUCK RICH BANK 1 SENSOR 2

Diagnostic procedure:

Drive according to the drive pattern described below.

(A)

Shift the select lever to “P” range or the gear shift lever to the neutral position, and let the engine idle for 10 seconds or more.

(D)

Decelerate with fully closed throttle to 64 km/h (40 MPH) or less.

(G)

Stop vehicle with the throttle fully closed.

(B)

Accelerate to 97 km/h (60 MPH) or more within 20 seconds.

(E)

Drive for 20 seconds or more at 64 km/h (40 MPH) or less.

(H)

Vehicle speed km/h (MPH)

(C)

Drive for 20 seconds or more at 97 km/h (60 MPH) or more.

(F)

Accelerate to 97 km/h (60 MPH) or more within 10 seconds.

(I)

Sec.

NOTE:

Perform the followings for catalyst system bank 1 only.

Check that *«Catalyst monitoring completed» indicates *«YES», and read the temporary code.

If *«Catalyst monitoring completed» indicates «NO», the diagnosis has not been completed yet. In this case, repeat driving until it indicates «YES».

*: Using Subaru Select Monitor, refer to “Engine Current Data Display”.

5. DRIVE CYCLE F

DTC

Item

Condition

*P0111

INTAKE AIR TEMPERATURE SENSOR 1 CIRCUIT RANGE/PERFORMANCE BANK 1

6 hours have elapsed since ignition switch is OFF under a completely warmed up condition.

For models with block heater, at least 6 hours must have elapsed without operating the block heater.

*P0196

ENGINE OIL TEMPERATURE SENSOR "A" RANGE/PERFORMANCE

6 hours have elapsed since ignition switch is OFF under a completely warmed up condition.

For models with block heater, at least 6 hours must have elapsed without operating the block heater.

Diagnostic procedure:

1. Make sure that the engine coolant temperature is less than 30°C (86°F).

2. Drive according to the drive pattern described below.

(A)

Vehicle speed

(B)

Elapsed time

(1)

Idle the engine for 10 seconds or more after engine start.

(4)

Drive for 30 seconds or more at a constant speed of 80 km/h (50 MPH) or more.

(6)

Drive for 30 seconds or more at a constant speed of 80 km/h (50 MPH) or more.

(2)

Drive for 8 minutes or more at a constant speed of 80 km/h (50 MPH) or more.

(5)

Stop the vehicle and idle for 30 seconds or more.

(7)

Stop the vehicle and idle for 30 seconds.

(3)

Stop the vehicle and idle for 30 seconds or more.

NOTE:

There is no given transition time between idling and cruising.

Driving at constant speed only on a downhill causes smaller engine load and may result in failure to obtain a right diagnostic result.

When the engine stops while performing drive cycle F, perform it again from the state of procedure 1).

6. DRIVE CYCLE H

DTC

Item

Condition

P0071

AMBIENT AIR TEMPERATURE SENSOR CIRCUIT "A" RANGE/PERFORMANCE

6 hours have elapsed since ignition switch is OFF under a completely warmed up condition.

For models with block heater, at least 6 hours must have elapsed without operating the block heater.

P0116

ENGINE COOLANT TEMPERATURE SENSOR 1 CIRCUIT RANGE/PERFORMANCE

6 hours have elapsed since ignition switch is OFF under a completely warmed up condition.

For models with block heater, at least 6 hours must have elapsed without operating the block heater.

P0451

EVAP SYSTEM (CPC) PRESSURE SENSOR/SWITCH CIRCUIT RANGE/PERFORMANCE

60 seconds have elapsed since ignition switch is OFF.

*P050A

COLD START IDLE CONTROL SYSTEM PERFORMANCE

*P050B

COLD START IGNITION TIMING PERFORMANCE

1. Perform the Clear Memory Mode. Clear Memory Mode">

2. With the ignition switch ON, read the value in «Coolant Temp.» and «Intake Air Temp.». Subaru Select Monitor">

3. If the values from step 2) satisfy the following conditions, idle the engine for one minute.

Condition:

|Engine coolant temperature — Intake air temperature| ≤ 5°C (9°F)

NOTE:

If the conditions are not satisfied, turn the ignition switch to OFF and wait until the parameters are satisfied.

For CVT models, hold the select lever to “P” range or “N” range at idling, and for MT models, the gear shift lever in the neutral position at idling.

7. DRIVE CYCLE I

DTC

Item

Condition

*P0455

EVAP SYSTEM (CPC) LEAK DETECTED (LARGE LEAK)

«Coolant Temp.»: 5 — 45°C (41 — 113°F)

«Intake Air Temp.»: 5 — 50°C (41 — 122°F)

*P0456

EVAP SYSTEM (CPC) LEAK DETECTED (VERY SMALL LEAK)

*P1451

EVAP SYSTEM CLOG DETECTED (PIPE)

*P2402

EVAP SYSTEM LEAK DETECTION PUMP CONTROL CIRCUIT HIGH

*P2404

EVAP SYSTEM LEAK DETECTION PUMP SENSE CIRCUIT RANGE/PERFORMANCE

*P2420

EVAP SYSTEM SWITCHING VALVE CONTROL CIRCUIT HIGH

CAUTION:

Be careful of the state of the battery when performing the drive cycle I consecutively. Performing the drive cycle I consecutively without the engine running may cause a low battery voltage and battery discharge.

NOTE:

If it is necessary to perform drive cycle I consecutively, drive the vehicle under the following conditions to release accumulated evaporating gas. Performing the drive cycle I consecutively without starting the engine causes a large amount of evaporating gas to accumulate in the canister, which hinders an accurate diagnosis.

After engine is warmed up

Drive for 10 minutes or more at a speed of 48 km/h (30 MPH) or more (duration of drive can be an accumulation)

To obtain an accurate diagnostic result, perform the procedures according to the following points.

Do not refuel gas immediately before performing drive cycle I. There will be a large amount of evaporating gas immediately after refuel, which may cause a less accurate diagnostic performance.

Do not shake the vehicle while performing drive cycle I. Shaking the vehicle causes evaporating gas to increase inside the fuel tank, which may cause a less accurate diagnostic performance.

Do not perform any service operation including installation or removal of parts or connectors while performing drive cycle I. Performing service operation could affect on the functions of related parts, which may cause a less accurate diagnostic performance.

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