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Home >> Subaru >> 2006 >> Forester X, Standard >> Repair and Diagnosis >> Restraints >> Passive Restraints >> Occupant Detection System (Diagnostics) >> Subaru Select Monitor >> Operation >> Read Diagnostic Trouble Code (DTC)

Read Diagnostic Trouble Code (DTC)

Read the DTC from recorded occupant detection control module when the occupant detection system is malfunction occurrence.

  1. Prepare the Subaru Select Monitor kit. <Ref. to SPECIAL TOOL  PREPARATION TOOL, GENERAL DESCRIPTION. >
    Fig 1: Identifying Subaru Select Monitor Kit
    G05003605Courtesy of SUBARU OF AMERICA, INC.
  2. Connect the diagnosis cable to Subaru Select Monitor.
  3. Insert the cartridge to Subaru Select Monitor. <Ref. to SPECIAL TOOL  PREPARATION TOOL, GENERAL DESCRIPTION. >
    Fig 2: Inserting Cartridge Into Subaru Select Monitor
    G05003606Courtesy of SUBARU OF AMERICA, INC.
  4. 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: Identifying Data Link Connector
      G04995194Courtesy 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.
  5. Turn the ignition switch to ON (engine OFF) and turn the Subaru Select Monitor switch to ON.
    Fig 4: Identifying Power Switch
    G04995195Courtesy of SUBARU OF AMERICA, INC.
  6. On the «Main Menu» display screen, select the {Each System Check} and press the [YES] key.
  7. On the «System Selection Menu» display screen, select the {Occupant detection system} and press the [YES] key.
  8. Press the [YES] key after the {Occupant Detection System} is displayed.
  9. On the «Occupant Detection System» display screen, select {DTC Display}, and then press the [YES] key.
    NOTE:
    • For details concerning operation procedure, refer to the "SUBARU SELECT MONITOR OPERATION MANUAL ".
    • For details concerning DTCs, refer to 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 voltage, etc.) for an occurrence of a problem, a DTC that is suffixed with a question mark"?" will appear on the Subaru Select Monitor display. This shows it may be an unreliable reading.
  10. 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. >
  11. When DTC is not displayed, check the meter circuit or Subaru Select Monitor communication circuit. <Ref. to INSPECTION  SUBARU SELECT MONITOR. >