Subaru Outback manuals

Subaru Outback: List of Diagnostic Trouble Code (DTC)

A: LIST

NOTE: When the sunload sensor check is performed indoors or in the shade, it could be diagnosed as having an open circuit. Always check the sunload sensor in direct sunlight.

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

NOTE:

*1: When the sunload sensor inspection is performed indoors or in the shade, it may be diagnosed as having an open circuit due to an insufficient light volume. In this case, check the sunload sensor at a location exposed to direct sunlight.
*2: Displays current malfunction only.

Diagnostic Procedure with Diagnostic Trouble Code (DTC)

A: DTC B1601 IN-VEHICLE SENSOR SHORT

DTC DETECTING CONDITION:

In-vehicle sensor circuit is shorted.

TROUBLE SYMPTOM:

WIRING DIAGRAM:

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

B: DTC B1602 IN-VEHICLE SENSOR OPEN

DTC DETECTING CONDITION:

In-vehicle sensor circuit is open.

TROUBLE SYMPTOM:

WIRING DIAGRAM:

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

C: DTC B1603 EVAPORATOR SENSOR SHORT

DTC DETECTING CONDITION:

Evaporator sensor circuit is shorted.

TROUBLE SYMPTOM:

WIRING DIAGRAM:

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

D: DTC B1604 EVAPORATOR SENSOR OPEN

DTC DETECTING CONDITION:

Evaporator sensor circuit is open.

TROUBLE SYMPTOM:

WIRING DIAGRAM:

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

E: DTC B1605 REFRIGERANT FLOW SENSOR CIRCUIT OPEN

DTC DETECTING CONDITION:

Refrigerant pressure sensor circuit is open.

TROUBLE SYMPTOM:

WIRING DIAGRAM:

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

F: DTC B1606 REFRIGERANT FLOW SENSOR CIRCUIT SHORT

DTC DETECTING CONDITION:

Refrigerant pressure sensor circuit is shorted.

TROUBLE SYMPTOM:

WIRING DIAGRAM:

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

G: DTC B1607 SUNLOAD SENSOR SHORT

DTC DETECTING CONDITION:

Sunload sensor circuit is shorted.

TROUBLE SYMPTOM:

WIRING DIAGRAM:

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

H: DTC B1608 SUNLOAD SENSOR OPEN

DTC DETECTING CONDITION:

Sunload sensor circuit is open. (Displayed for current malfunction)

NOTE: When the sunload sensor check is performed indoors or in the shade, it could be diagnosed as having an open circuit. Always check the sunload sensor in direct sunlight.

TROUBLE SYMPTOM:

WIRING DIAGRAM:

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

I: DTC B1610 AIRMIX DOOR ACTUATOR POTENTIOMETER CIRCUIT OPEN (DRIVER'S)

DTC DETECTING CONDITION:

Air mix door actuator potentiometer circuit is open.

TROUBLE SYMPTOM:

WIRING DIAGRAM:

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

J: DTC B1611 AIRMIX DOOR ACTUATOR POTENTIOMETER CIRCUIT SHORT (DRIVER'S)

DTC DETECTING CONDITION:

Air mix door actuator potentiometer circuit is shorted.

TROUBLE SYMPTOM:

WIRING DIAGRAM:

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

K: DTC B1612 AIRMIX DOOR ACTUATOR LOCK (DRIVER'S)

DTC DETECTING CONDITION:

TROUBLE SYMPTOM:

Temperature of the driver's side cannot be adjusted for model with left/right independent air conditioner.

WIRING DIAGRAM:

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

L: DTC B1613 AIRMIX DOOR ACTUATOR POTENTIOMETER CIRCUIT OPEN (PASSENGER'S)

DTC DETECTING CONDITION:

Air mix door actuator potentiometer circuit is open.

TROUBLE SYMPTOM:

WIRING DIAGRAM:

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

M: DTC B1614 AIRMIX DOOR ACTUATOR POTENTIOMETER CIRCUIT SHORT (PASSENGER'S)

DTC DETECTING CONDITION:

Air mix door actuator potentiometer circuit is shorted.

TROUBLE SYMPTOM:

WIRING DIAGRAM:

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

N: DTC B1615 AIRMIX DOOR ACTUATOR LOCK (PASSENGER'S)

DTC DETECTING CONDITION:

Passenger's air mix door actuator is locked.

TROUBLE SYMPTOM:

WIRING DIAGRAM:

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

O: DTC B1620 MODE DOOR ACTUATOR POTENTIOMETER CIRCUIT OPEN

DTC DETECTING CONDITION:

Mode door actuator potentiometer circuit is open.

TROUBLE SYMPTOM:

WIRING DIAGRAM:

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

P: DTC B1621 MODE DOOR ACTUATOR POTENTIOMETER CIRCUIT SHORT

DTC DETECTING CONDITION:

Mode door actuator potentiometer circuit is shorted.

TROUBLE SYMPTOM:

WIRING DIAGRAM:

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

Q: DTC B1622 MODE DOOR ACTUATOR LOCK

DTC DETECTING CONDITION:

Mode door actuator locked.

TROUBLE SYMPTOM:

WIRING DIAGRAM:

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

R: DTC U0028 HEATER CONTROL PANEL COMMUNICATION ERROR

DTC DETECTING CONDITION:

UART communication failure

TROUBLE SYMPTOM:

WIRING DIAGRAM:

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

S: DTC U0001 CAN COMMUNICATION BUS OFF

DTC DETECTING CONDITION:

TROUBLE SYMPTOM:

A/C does not operate fully automatically.

Subaru Outback. HVAC System (Diagnostics)

T: DTC U0002 CAN COMMUNICATION ERROR

DTC DETECTING CONDITION:

TROUBLE SYMPTOM:

A/C does not operate fully automatically.

Subaru Outback. HVAC System (Diagnostics)

U: DTC B1641 REFRIGERANT FLOW SENSOR CIRCUIT SHORT

DTC DETECTING CONDITION:

TROUBLE SYMPTOM:

WIRING DIAGRAM:

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

V: DTC B1642 REFRIGERANT FLOW SENSOR CIRCUIT OPEN

DTC DETECTING CONDITION:

TROUBLE SYMPTOM:

WIRING DIAGRAM:

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

W: DTC B1643 VARIABLE FLOW CHANGE SOLENOID DUTY CIRCUIT ABNORMAL

DTC DETECTING CONDITION:

Open or short circuit in variable solenoid valve

TROUBLE SYMPTOM:

WIRING DIAGRAM:

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

X: DTC B1644 REFRIGERANT NOT SEALED DRIVE ERROR

DTC DETECTING CONDITION:

TROUBLE SYMPTOM:

A/C does not operate.

WIRING DIAGRAM:

Subaru Outback. HVAC System (Diagnostics)

Subaru Outback. HVAC System (Diagnostics)

READ NEXT:

 Airbag System

 General Description

A: COMPONENT Front sub sensor RH Front sub sensor LH Airbag warning light (in combination meter) Airbag module ASSY (driver) Airbag module ASSY (passenger) Airbag control module Steering rol

 Airbag Connector

A: PROCEDURE 1. POWER SUPPLY 1) How to disconnect: CAUTION: When pulling the slide lock or disconnecting connector, be sure to hold the connector, not the harness. Push the lock (A). While holding

SEE MORE:

 To arm the system using remote transmitter

1. Close all windows and the moonroof (if equipped). 2. Remove the key from the ignition switch. 3. Open the doors and get out of the vehicle. 4. Make sure that the engine hood (and the trunk lid (Legacy)) are locked. 5. Close all doors (and the rear gate (Outback)). 6. Briefly press the

 General Description

A: COMPONENT 1. FIXED GLASS (SEDAN MODEL) Windshield glass Dam rubber Molding Seal upper side Locating pin Rearview mirror mount Rear window glass Seal A 2. FIXED GLASS (OUTBACK MODEL) Windshield glass Dam rubber Molding Seal upper side Locating pin Rearview mirror mount Spacer

© 2010-2022 Copyright www.suoutback.com