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Home >> Lexus >> 2002 >> SC 430 >> Repair and Diagnosis >> Steering >> Electronic Steering >> Progressive Power Steering System - Diagnosis >> How To Proceed With Troubleshooting
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

How To Proceed With Troubleshooting

  1. VEHICLE BROUGHT WORKSHOP 
    1. Go To Next Step 
  2. CUSTOMER PROBLEM ANALYSIS (See  CUSTOMER PROBLEM ANALYSIS CHECK  ) 
    1. Go To Next Step 
  3. CHECK AND CLEAR DTCS (See  PRE-CHECK  ) 
    1. Go To Next Step 
  4. PROBLEM SYMPTOM CONFIRMATION 
    1. SYMPTOM DOES NOT OCCUR (Go to step 5) 
    2. SYMPTOM OCCUR (Go to step   6 ) 
  5. SYMPTOM SIMULATION 
    1. Go To Next Step 
  6. DTC CHECK (See  PRE-CHECK  ) 
    1. NORMAL CODE (Go to step 7) 
    2. MALFUNCTION CODE (Go to step   8 ) 
  7. PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE  ) 
    1. Go To Next Step 
  8. DTC CHART (See  DIAGNOSTIC TROUBLE CODE CHART  ) 
    1. Go To Next Step 
  9. CIRCUIT INSPECTION (See  DTC C1560 PPS SOLENOID MALFUNCTION1; DTC C1561 PPS SOLENOID MALFUNCTION2  ) 
    1. Go To Next Step 
  10. IDENTIFICATION OF PROBLEM 
    1. Go To Next Step 
  11. REPAIR 
    1. Go To Next Step 
  12. CONFIRMATION TEST 
    1. Go To Next Step 
    1. END 
      NOTE: Step 3, 6, 8, 9, 12:
      Diagnostic steps permitting the use of the LEXUS hand-held tester.