Subaru Crosstrek manuals

Subaru Crosstrek Service Manual: Dtc p0506 idle control system rpm - lower than expected

ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)

DTC P0506 IDLE CONTROL SYSTEM RPM - LOWER THAN EXPECTED

DTC DETECTING CONDITION:

Detected when two consecutive driving cycles with fault occur.

TROUBLE SYMPTOM:

Hard to start the engine.

Engine does not start

Improper idling

Engine stall

CAUTION:

After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode > OPERATION">, and Inspection Mode Inspection Mode > PROCEDURE">.

STEPCHECKYESNO

1.CHECK FOR ANY OTHER DTC ON DISPLAY.

Is any other DTC displayed?

Check the appropriate DTC using the “List of Diagnostic Trouble Code (DTC)”. List of Diagnostic Trouble Code (DTC)">

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0506 IDLE CONTROL SYSTEM RPM - LOWER THAN EXPECTED">Go to Step 2.

2.CHECK AIR CLEANER ELEMENT.

1) Turn the ignition switch to OFF.

2) Check the air cleaner element.

Is there excessive clogging on air cleaner element?

Replace the air cleaner element. Air Cleaner Element">

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0506 IDLE CONTROL SYSTEM RPM - LOWER THAN EXPECTED">Go to Step 3.

3.CHECK ELECTRONIC THROTTLE CONTROL.

1) Remove the electronic throttle control. Throttle Body > REMOVAL">

2) Check the electronic throttle control.

Are foreign matter found inside electronic throttle control?

Remove foreign matter from electronic throttle control.

Perform the diagnosis of DTC P2101. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P2101 THROTTLE ACTUATOR "A" CONTROL MOTOR CIRCUIT RANGE/PERFORMANCE">

1. OUTLINE OF DIAGNOSIS

Detect the malfunction that actual engine speed is not close to target engine speed during idling. Judge as NG when actual engine speed is not close to target engine speed during idling.

2. EXECUTION CONDITION

Secondary parameters

Execution condition

Battery voltage

≥ 10.9 V

Barometric pressure

≥ 75.1 kPa (563 mmHg, 22.2 inHg)

Lambda value (left and right)

≥ 0.85

and

< 1.151

Vehicle speed

0 km/h (0 MPH)

Engine coolant temperature

≥ 60 &#x00B0;C (140 &#x00B0;F)

Elapsed time after starting the engine

≥ 10 s

Accelerator pedal position

While idling

Elapsed time after gear position change

(P ←> D or N ←> D)

> 5 s

Cold start diagnosis

Not in operation

Main feedback

In operation

Idle speed control feedback

In operation

3. GENERAL DRIVING CYCLE

Perform the diagnosis continuously at idling after warming up engine.

4. DIAGNOSTIC METHOD

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

Judgment value

Malfunction Criteria

Threshold Value

Actual engine speed − Targeted engine speed

< −100 rpm

Time needed for diagnosis: 15 s ? 1 time(s)

Malfunction indicator light illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.

Dtc p0500 vehicle speed sensor "a" circuit
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P0500 VEHICLE SPEED SENSOR "A" CIRCUITDTC DETECTING CONDITION:Immediately at fault recognitionCAUTI ...

Dtc p0507 idle control system rpm - higher than expected
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P0507 IDLE CONTROL SYSTEM RPM - HIGHER THAN EXPECTEDDTC DETECTING CONDITION:Detected when two consecutive dri ...

Other materials:

Removal
DRIVE SHAFT SYSTEM > Front Drive ShaftREMOVAL1. Lift up the vehicle, and then remove the front wheels.2. Remove the axle nut.CAUTION:Do not loosen the axle nut while the front axle is loaded. Doing so may damage the hub unit bearing.(1) Lift the crimped section of axle nut.(2) Remove the axle nut ...

Dtc c1342 rl pressure reducing valve
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC C1342 RL PRESSURE REDUCING VALVENOTE:For the diagnostic procedure, refer to “DTC C1362 NORMAL CLOSING VALVE 2”. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C ...

Communication for initializing impossible
LAN SYSTEM (DIAGNOSTICS) > Subaru Select MonitorCOMMUNICATION FOR INITIALIZING IMPOSSIBLEDIAGNOSIS:Subaru Select Monitor communication line is open or shorted.TROUBLE SYMPTOM:Not communicable with Subaru Select Monitor.WIRING DIAGRAM:CAN communication system CAN Communication System > WIRING ...

© 2016-2025 Copyright www.sucross.com