Subaru Crosstrek manuals

Subaru Crosstrek Service Manual: Dtc p081a starter disable circuit low

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

DTC P081A STARTER DISABLE CIRCUIT LOW

DTC detecting condition:

Immediately at fault recognition

Trouble symptom:

Failure of engine to start

CAUTION:

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

Wiring diagram:

Engine electrical system Engine Electrical System">

STEPCHECKYESNO

1.CHECK HARNESS BETWEEN STARTER RELAY (PUSH BUTTON START) CONNECTOR AND STARTER CUT RELAY CONNECTOR.

1) Turn the ignition to OFF.

2) Remove the starter relay (push button start).

3) Remove the starter cut relay.

4) Measure the resistance of harness between starter relay (push button start) connector and starter cut relay connector.

Connector & terminal

(B225) No. 28 — (B225) No. 42:

Is the resistance less than 1 ??

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P081A STARTER DISABLE CIRCUIT LOW">Go to Step 2.

Repair the open circuit in harness between starter relay (push button start) connector and starter cut relay connector.

2.CHECK HARNESS BETWEEN ECM AND STARTER CUT RELAY CONNECTOR.

1) Disconnect the connector from ECM.

2) Measure the resistance of harness between ECM connector and starter cut relay connector.

Connector & terminal

(B135) No. 34 — (B225) No. 40:

Is the resistance less than 1 ??

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P081A STARTER DISABLE CIRCUIT LOW">Go to Step 3.

Repair the open circuit of harness between ECM connector and starter cut relay connector.

3.CHECK STARTER CUT RELAY.

1) Connect the battery to starter cut relay terminals No. 40 and No. 42.

2) Measure the resistance between starter cut relay terminals.

Terminals

No. 41 — No. 44:

Is the resistance 1 M? or more?

Repair the poor contact of ECM connector.

Replace the starter cut relay. Starter Cut Relay">

1. OUTLINE OF DIAGNOSIS

Detect abnormal continuity in the starter cut relay.

Judge as NG when the starter cut relay output line is open.

2. EXECUTION CONDITION

Secondary Parameters

Execution condition

Battery voltage

≥ 8 V

Engine speed

Increase from 0 rpm to 500 rpm or more

Vehicle speed

< 1 km/h (0.6 MPH)

Starter cut relay command

OFF

3. GENERAL DRIVING CYCLE

Perform the diagnosis only once after the enable conditions have been established.

4. DIAGNOSTIC METHOD

Judge as NG when the following conditions are established.

Judgment Value

Malfunction Criteria

Threshold Value

Starter cut relay control voltage that exceeds battery voltage ? 0.34

Not detected

Time Needed for Diagnosis: Less than 1 second

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

Dtc p0700 transmission control system (mil request)
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P0700 TRANSMISSION CONTROL SYSTEM (MIL REQUEST)NOTE:For the diagnostic procedure, refer to CVT section. Basi ...

Dtc p1160 throttle return spring
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P1160 THROTTLE RETURN SPRINGNOTE:For the diagnostic procedure, refer to DTC P2101. Diagnostic Procedure with ...

Other materials:

Clock/calendar screen setting
1. Perform the preparation steps according to "Preparation for screen settings" 2. Operate the " " or " " switch to select the "Clock" item. Then push the button. 3. Push the button once more. 4. Select "Analog Clock", "Digital Clock", "Calendar" or "Off" by operating t ...

Removal
SECURITY AND LOCKS > Rear Outer HandleREMOVAL1. Raise the glass assembly - rear door to the top position.2. Disconnect the ground cable from battery. NOTE">3. Remove the trim panel - rear door. Door Trim > REMOVAL">4. Remove the sealing cover - rear door. Rear Sealing Cover ...

Installation
BRAKE > Rear Disc RotorINSTALLATIONNOTE:Before installation, remove mud and foreign matter from the caliper body assembly.1. Before installation, check the rear disc rotor. Rear Disc Rotor > INSPECTION">2. Install each part in the reverse order of removal.NOTE:When installing the rear ...

© 2016-2019 Copyright www.sucross.com