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DTC C1762/62: Continuous Current to Exhaust Solenoid: Procedure

  1. CUSTOMER PROBLEM ANALYSIS 
    1. Ask the customer about the vehicle and usage conditions when the DTC was stored.

      HINT: 

      DTC C1762/62 can be stored under unusual vehicle or usage conditions.

      Points to confirm
      • Confirm if there were any foreign objects caught between the body and tires.
      • Confirm if the vehicle has been driven on an unpaved surface or with a wheel not contacting the ground.
      • Confirm if the vehicle height mode has been continuously changed using the height control switch, causing the vehicle to raise and lower repeatedly.

    NEXT: Go to next step 

  2. CHECK DTC 
    1. Clear the DTC. Refer to DTC CHECK / CLEAR .
    2. Start the engine and wait for 100 seconds or more.
    3. Set the vehicle height to HI, wait until the vehicle height change is complete, and then return the vehicle height to normal.
    4. Check for DTC. Refer to DTC CHECK / CLEAR .
      RESULT

      Result Proceed to
      DTC C1762/62 is output A
      DTC C1762/62 is not output B
      DTC C1762/62 and other DTCs are output C

    C → See step   7 

    B → END (C1762/62 WAS OUTPUT DUE TO UNUSUAL VEHICLE OR USAGE CONDITION) 

    A: Go to next step 

  3. INSPECT AIR TUBE (AIR TUBE FOR CLOG) 
    1. Inspect the air tubes for clogs. Refer to PRECAUTION .

      OK

      No clogs are found in the air tubes.

    NG → REPAIR OR REPLACE AIR TUBE 

    OK: Go to next step 

  4. INSPECT NO. 2 HEIGHT CONTROL VALVE See step   4 

    NG → See step   8 

    OK: Go to next step 

  5. INSPECT HEIGHT CONTROL COMPRESSOR (EXHAUST SOLENOID VALVE) See step   3 

    NG → See step   9 

    OK → See step   6 

  6. REPLACE SUSPENSION CONTROL ECU. Refer to  REMOVAL 
  7. GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART 
  8. REPLACE NO. 2 HEIGHT CONTROL VALVE. Refer to  REMOVAL 
  9. REPLACE HEIGHT CONTROL COMPRESSOR ASSEMBLY. Refer to  REMOVAL