Subaru Legacy Service Manual: Infotainment system (diagnostics)

Subaru Legacy Service Manual / Infotainment system (diagnostics)

Basic diagnostic procedure procedure
Check list for interview check
Clear memory mode operation
Diagnostics with phenomenon list
Electrical component location location
Inspection mode operation
List of diagnostic trouble code (dtc) list
Read diagnostic trouble code (dtc) operation
Service diagnostics mode operation
Control module i o signal

System block diagram
Electrical specification
Wiring diagram

Diagnostic procedure with diagnostic trouble code (dtc)

Dtc u0327 software incompatibility with vehicle security control module
Dtc u0100 lost communication with ecm/pcm "a"
Dtc u0164 lost communication with hvac control module
Dtc u0155 lost communication with instrument panel cluster (ipc) control module
Dtc b224a backup camera
Dtc b2240 can communication (audio) stuck
Dtc u0128 lost communication with park brake control module
Dtc u0122 lost communication with vehicle dynamics control module
Dtc b2249 bluetooth module
Dtc b2247 cd mechanical
Dtc b2244 amplifier communication
Dtc b2243 sd card communication
Dtc b2242 uart communication
Dtc b2241 can communication
Dtc u1232 lost communication with rear/side radar control module
Dtc u1140 lost communication with body control module body-can
Dtc u0167 lost communication with immobilizer control module
Dtc u0074 control module communication bus "body-can" off
Dtc u0101 lost communication with tcm

General description

Preparation tool
Caution
Inspection

Read current data

Operation
List

Subaru select monitor

Operation
Inspection

Operation

For operation procedures, refer to “Application help”. ...

Basic diagnostic procedure procedure

STEPCHECKYESNO1.PERFORM CUSTOMER INTERVIEW.Using the Check List for Interview, ask the customer the condition of how trouble occurs.Did you interview the customer- Basic Diagnostic Procedure > PROCEDU ...

Other materials:

Dtc b1439 mode door actuator circuit short-circuit
DTC DETECTING CONDITION:Mode door actuator potentiometer circuit is shorted.TROUBLE SYMPTOM:Vent does not change.WIRING DIAGRAM:Air conditioning system Air Conditioning System > WIRING DIAGRAMSTEPCHECKYESNO1.CHECK CONNECTOR.1) Check connecting condition of the A/C CM connector and mode door actuato ...