Read Diagnostic Trouble Code (DTC)

Prepare the Subaru Select Monitor kit. < Ref. to , SPECIAL TOOL , General Description.<

Fig 1: Identifying Monitor Kit
Courtesy of SUBARU OF AMERICA, INC.
Connect the diagnosis cable to Subaru Select Monitor.
Insert the cartridge to Subaru Select Monitor. < Ref. to , SPECIAL TOOL , General Description.<

Fig 2: Inserting Cartridge To Subaru Select Monitor
Courtesy of SUBARU OF AMERICA, INC.
Connect the Subaru Select Monitor to data link connector.
1. Data link connector is located in the lower portion of instrument panel (on the driver's side).
  
  Fig 3: Locating Data Link Connector In Lower Portion Of Instrument Panel
  Courtesy of SUBARU OF AMERICA, INC.
2. Connect the diagnosis cable to data link connector.
CAUTION: Do not connect the scan tools except for Subaru Select Monitor.
Turn the ignition switch to ON (engine OFF) and Subaru Select Monitor switch to ON.

Fig 4: Identifying Power Switch
Courtesy of SUBARU OF AMERICA, INC.
On the << Main Menu >> display screen, select the {Each System Check} and press the [YES] key.
On the << System Selection Menu >> display screen, select the {Occupant Sensing System} and press the [YES] key.
Press the [YES] key after the {Occupant Sensing System} is displayed.
On the << Occupant Sensing System >> display screen, select the {DTC Display} and press the [YES] key.
NOTE:
- For details concerning operation procedure, refer to "SUBARU SELECT MONITOR OPERATION MANUAL ".
- For details concerning DTCs, refer to the "List of Diagnostic Trouble Code (DTC)". < Ref. to , List of Diagnostic Trouble Code (DTC) .<
- Display all the DTCs detected.
- If a particular DTC is not properly stored in memory (due to a drop in occupant detection control module power supply, etc.) on the occurrence of a problem, the DTC which is suffixed with a question mark appears on the Subaru Select Monitor display. This shows it may be an unreliable reading.
If the occupant detection control module cannot communicate with Subaru Select Monitor, check the communication circuit. < Ref. to , COMMUNICATION FOR INITIALIZING IMPOSSIBLE , INSPECTION, Subaru Select Monitor.<
When DTC is not displayed, check the meter circuit or select monitor communication circuit. < Ref. to , INSPECTION , Subaru Select Monitor.<