LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2009 >> RAV4 Base, 3.5 K, AWD >> Repair and Diagnosis >> Steering >> Power Steering >> Electronic Power Steering System >> DTC C1581/26 Assist Map Number Un-Writing >> Inspection Procedure

Inspection Procedure

  1. PERFORM ASSIST MAP WRITING 
    1. Turn the ignition switch ON.
    2. Connect the Techstream to the DLC3.

      HINT:

      At this time, check that the P/S warning light is illuminated.

      1. Select signal check, and change to test mode.
    3. Wait for 3 seconds.
  2. CHECK P/S WARNING LIGHT 
    1. Check the P/S warning light.

      Result 

      RESULT REFERENCE

      Result Proceed to
      P/S warning light illuminates A
      P/S warning light blinks at 0.25 second intervals B

      HINT:

      If the P/S warning light blinks at 0.25 second intervals, the assist map adjustment has completed normally.

      B: END 

      A: Go to Next Step 

  3. CHECK DTC 
    1. Check for DTC.

      Result 

      RESULT REFERENCE

      Result Proceed to
      C1581/26 output
      Assist map write adjustment operation not completed 3 times or more      		 A
      Code other than C1581/26 is output B
      C1581/26 output
      Assist map write adjustment operation not completed less than 3 times      		 C

      HINT:

      If DTC C1581/26 is output, turn the ignition switch off. Enter test mode again. If the DTC is output 3 times in a row, replace the power steering ECU.

      B: REFER TO DTC 

      C: Go to step  1

      A: REPLACE POWER STEERING ECU 

scientia non olet · About LEMON Manuals