Subaru Crosstrek Service Manual: Dtc b2220 break the wire of ign

DTC detecting condition:

There was voltage malfunction caused by poor contact of IGN power supply circuits.

Trouble symptom:

Airbag indicator does not illuminate.

Wiring diagram:

Multi-function display (MFD) system Multi-function Display (MFD) System > WIRING DIAGRAM">

1.CHECK DTC.

Read the DTC of the MFD using the Subaru Select Monitor. Read Diagnostic Trouble Code (DTC)">

Is DTC B2220 a current malfunction?

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2220 BREAK THE WIRE OF IGN">Go to Step 2.

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2220 BREAK THE WIRE OF IGN">Go to Step 5.

2.CHECK DTC.

1) Turn the ignition switch to OFF.

2) Disconnect the MFD connector and reconnect it.

3) Turn the ignition switch to ON.

4) Read the DTC relating the MFD using the Subaru Select Monitor. Read Diagnostic Trouble Code (DTC)">

Is DTC B2220 a current malfunction?

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2220 BREAK THE WIRE OF IGN">Go to Step 3.

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2220 BREAK THE WIRE OF IGN">Go to Step 5.

3.CHECK FUSE.

1) Turn the ignition switch to OFF.

2) Check the fuse.

Is the fuse OK?

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2220 BREAK THE WIRE OF IGN">Go to Step 4.

Replace the defective fuse.

4.CHECK HARNESS.

1) Disconnect the MFD connector.

2) Turn the ignition switch to ON.

3) Using the tester, measure the voltage between terminals.

Connector & terminal

(i122) No. 3 (+) — Chassis ground (–):

Is the voltage 8.5 — 16.5 V?

Replace the MFD. Multi-function Display (MFD)">

Repair the harness between MFD and fuse.

5.CHECK CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect the MFD connector.

Is there poor contact of connector?

Repair or replace the poor contact of connector.

Even if DTC is displayed, the circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again.

NOTE:

In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.

Dtc u1651 lost communication with meter (uart)

General description

Other materials:

Installation
FUEL INJECTION (FUEL SYSTEMS)(H4DO) > Fuel PumpINSTALLATION1. Install the fuel pump assembly to the fuel tank.(1) Make sure the sealing portion is free from fuel or foreign matter before installation.(2) Align the protrusion (A) of the gasket to the position shown in the figure, and install the g ...

Access key - if access key does not operate properly
CAUTION Keep metallic objects, magnetic sources and signal transmitters away from the area between the access key and the push-button ignition switch. They may interfere with the communication between the access key and the push-button ignition switch. The following functions may be inopera ...

Door cord Location
WIRING SYSTEM > Door CordLOCATIONConnectorConnecting toNo.PoleColorAreaNo.DescriptionD18BlackC-2B30Bulkhead wiring harnessD22C-4 Front door speaker LHD36Dark grayC-4 Front power window motor LHD510B-4 Outer mirror assembly LHD716B-4 Power window main switchD118BlackC-4B101Bulkhead wiring harnessD ...