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Home >> Suzuki >> 2003 >> Aerio S, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> System Tests >> Test Test D: Engine System Check >> Diagnosis & Repair Procedure
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Diagnosis & Repair Procedure

  1. Perform customer complaint analysis as follows: Record details of problem (failure, complaint) and how it occurred as described by customer. For this purpose, use of an inspection form will facilitate collecting information to the point required for proper analysis and diagnose. See Fig 1. After performing customer complaint analysis, go to next step.
  2. NOTE:
    • If only DTC P0461 is indicated in this step, perform visual inspection referred to step  3 and then proceed to diagnosisfor DTC P0461 under DIAGNOSTIC TESTS.
    • If only automatic transmission DTCs P0705-P1895, P2763 and P2764 are indicated in this step, perform appropriate DTC diagnosis. See appropriate DIAGNOSIS article in AUTOMATIC TRANSMISSION.
  3. Connect SUZUKI scan tool or equivalent to DLC. See Figure. Retrieve DTC(s) including pending DTC(s) and freeze frame data, see RETRIEVING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM. If no DTC is retrieved, go to step  4. If any DTC is retrieved, print or record all DTC(s) and freeze frame data, then Clear DTCs, see CLEARING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM.

    After recording DTC(s) and freeze frame data, go to next step.

  4. Perform a visual inspection. See VISUAL INSPECTION under PRELIMINARY INSPECTION in BASIC DIAGNOSTIC PROCEDURES article. If no malfunction is found, go to step  5. If malfunction is found, repair or replace a necessary and go to step  11.
  5. Perform a visual inspection. See VISUAL INSPECTION under PRELIMINARY INSPECTION in BASIC DIAGNOSTIC PROCEDURES article. If no malfunction is found, go to step  8. If malfunction is found, repair or replace a necessary and go to step  11.
  6. Perform trouble symptom confirmation as follows: Based on information recorded in step  1 and  2 , confirm trouble symptoms. Also, reconfirm DTC described in each DTC diagnosis. See DIAGNOSTIC TROUBLE CODE DEFINITIONS . If trouble symptom is identified, go to next step. If trouble symptom is not identified, go to step  7.
  7. Recheck for DTCs and freeze frame data. See RETRIEVING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM. If no DTC is retrieved, go to step  8. If any DTC is retrieved, go to step  9.
  8. Recheck for DTCs and freeze frame data. See RETRIEVING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM. If any DTC is retrieved, go to step  9. If no DTC is retrieved, go to step  10.
  9. Check and repair complaint described by customerreferring to TROUBLE SHOOTING - NO-CODES article. After malfunction is repaired, go to step  11.
  10. Check and repair malfunction referring to appropriate DTC test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS . After malfunction is found and repair is performed, go to step  11.
  11. Check for intermittent problem. See INTERMITTENTS in TROUBLE SHOOTING - NO CODES article. If malfunction is found, repair as necessary and go to next step.
  12. Perform final confirmation test as follow: Clear DTCs. See CLEARING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM. Confirm problem is not present and engine is free from any abnormal conditions. If what has been repaired is related to DTC(s), ensure same DTC(s) is not present. If DTC(s) is preset again, repeat test from step  6.
Fig 1: Customer Problem Inspection Form
G00163654Courtesy of SUZUKI OF AMERICA CORP.