Subaru 2009 IMPREZA Service Manual page 447

ENGINE (DIAGNOSTICS)
8. General Scan Tool
A: OPERATION
1. HOW TO USE GENERAL SCAN TOOL
1) Prepare a scan tool (general scan tool) required
by SAE J1978.
2) Connect the general scan tool to data link con-
nector located in the lower portion of the instrument
panel (on the driver's side).
3) Using the general scan tool, call up DTC and
freeze frame data.
General scan tool functions consist of:
(1) MODE $01: Current powertrain diagnostic
data
(2) MODE $02: Powertrain freeze frame data
(3) MODE $03: Emission-related powertrain
DTC
(4) MODE $04: Clear/Reset emission-related
diagnostic information
(5) MODE $06: Request on-board monitoring
test results for intermittently monitored systems
(6) MODE $07: Request on-board monitoring
test results for continuously monitored systems
(7) MODE $09: Request vehicle information
NOTE:
• Read out the data according to repair proce-
dures. (For detailed operation procedure, refer to
the general scan tool operation manual.)
• For details concerning DTC, refer to "List of Diag-
nostic Trouble Code
EN(H4SO)(diag)-86, List of Diagnostic Trouble
Code (DTC).>
General Scan Tool
EN-06148
(DTC)". <Ref. to
EN(H4SO)(diag)-30