Retrieving DTC(S)

NOTE: Subaru Select Monitor (SSM) or an OBD-II scan tool must be used to perform self-diagnostic tests. Follow scan tool manufacturer's instructions for proper operation. SSM can be plugged into either the OBD-II DLC or the dedicated SSM test connectors behind the dash.

Connect scan tool to DLC located on lower left side of dash. See Fig 1. Retrieve Diagnostic Trouble Codes (DTCs) and freeze frame data, following scan tool manufacturer's instructions. Scan tool functions consist of:

MODE 01 - Current powertrain diagnostic data
MODE 02 - Powertrain freeze frame data
MODE 03 - Emission-related powertrain DTCs
MODE 04 - Clear/reset emission-related diagnostic information
MODE 05 - Oxygen sensor monitoring test results

RELATIONSHIP BETWEEN MODES & CONNECTORS

Mode

Read Memory Connector

Test Mode Connector

U-CHECK ⁽¹⁾

Disconnected

READ MEMORY ⁽¹⁾

Connected

Disconnected

D-CHECK ⁽¹⁾

Disconnected

Connected

CLEAR MEMORY ⁽²⁾

Connected

⁽¹⁾	Key on, engine off.

⁽²⁾	Key on, engine running.

Fig 1: Locating Diagnostic Test Connectors

Courtesy of SUBARU OF AMERICA, INC.