Engine Immobiliser System (W/O Entry And Start System) How To Proceed With Troubleshooting

Securities. Camry. Acv40 Gsv40
Engine Immobiliser. Camry. Acv40 Gsv40

  1. VEHICLE BROUGHT TO WORKSHOP

  2. CRANK ENGINE FOR MORE THAN 10 SECONDS

  3. CHECK FOR DTCS

  4. READ VALUE ON INTELLIGENT TESTER

  5. PROBLEM SYMPTOMS TABLE

  6. OVERALL ANALYSIS AND TROUBLESHOOTING

  7. ADJUST, REPAIR OR REPLACE

  8. CONFIRMATION TEST

Engine Immobiliser System (W/O Entry And Start System) -- How To Proceed With Troubleshooting


HINT:
Use this procedure to troubleshoot the engine immobiliser system.
The intelligent tester should be used in steps 3, 4, and 6.


1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.CRANK ENGINE FOR MORE THAN 10 SECONDS

      NEXT


      3.CHECK FOR DTCS

      1. Check for DTCs and note any codes that are output.

      2. Delete the DTCs.

      3. Recheck for DTCs. Try to duplicate the DTC (SFI system and engine immobiliser system) by simulating the symptoms indicated by the DTC.

        1. If the DTC does not reoccur, proceed to A.

        2. If the DTC (SFI system) reoccurs, proceed to B.

        3. If the DTC (engine immobiliser system) reoccurs, proceed to C.



      		B.
      GO TO SFI SYSTEM

      		C.
      GO TO DTC CHART
      A


      4.READ VALUE ON INTELLIGENT TESTER

      1. Connect the intelligent tester to the DLC3.

      2. Turn the ignition switch to the ON position and turn the intelligent tester on.

      3. Read the DATA LIST according to the display on the tester.

        IMMOBILISER:
        Tester Display
        		Measurement Item/Range
        		Normal Condition
        		Diagnostic Note
        Key SW
        		Unlock warning switch signal/ON or OFF
        		ON: Key is in ignition key cylinder
        OFF: No key is in ignition key cylinder
        		-

        OK:
        ON (Key is in ignition key cylinder) appears on the screen.


      		NG.
      GO TO DTC B2780
      OK


      5.PROBLEM SYMPTOMS TABLE

      1. If the fault is not listed on the problem symptoms table, proceed to A.

      2. If the fault is listed on the problem symptoms table, proceed to B.



      		B.
      GO TO STEP 7
      A


      6.OVERALL ANALYSIS AND TROUBLESHOOTING

      1. Inspection with the intelligent tester (DATA LIST).

      2. Inspection with the intelligent tester (ACTIVE TEST).

      3. TERMINALS OF ECU (CAMRY_ACV40 RM000001GUS003X.html).


      NEXT


      7.ADJUST, REPAIR OR REPLACE

        NEXT


        8.CONFIRMATION TEST

          NEXT

          END