FUEL INJECTION (FUEL SYSTEMS)(H4DO) > General Description
PREPARATION TOOL
1. SPECIAL TOOL
ILLUSTRATION | TOOL NUMBER | DESCRIPTION | REMARKS |

18471AA000
FUEL PIPE ADAPTER
Used for draining fuel.

—
SUBARU SELECT MONITOR 4
Used for setting of each function and troubleshooting for electrical system.
NOTE:
For detailed operation procedures of Subaru Select Monitor 4, refer to “Application help”.
2. GENERAL TOOL
TOOL NAME | REMARKS |
Circuit tester | Used for measuring resistance, voltage and current. |
Oscilloscope | Used for inspecting the waveform of each sensor. |
Mighty Vac | Used for inspecting the manifold absolute pressure sensor. |
DST-i | Used together with Subaru Select Monitor 4. |
Component
Intake manifoldDtc u0122 lost communication with vehicle dynamics control module
TELEMATICS SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULEDetected when CAN data from VDC does not arrive.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE"> ...
Service mode (models without "keyless access with push-button start system")
In service mode, the remote engine start
function is temporarily disabled to prevent
the system from unexpectedly starting the
engine while being serviced.
To engage or disengage service mode:
1. Enter the vehicle and close all vehicle
doors and the rear gate.
2. Verify that the select le ...
Dtc b14ea intake door actuator circuit short-circuit
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC B14EA INTAKE DOOR ACTUATOR CIRCUIT SHORT-CIRCUITDTC detecting condition:Intake door actuator potentiometer circuit is shorted.Trouble symptom:FRESH/RECIRC does not operate.Wiring diagram:Air conditio ...