ENGINE IMMOBILISER SYSTEM(w/o Entry and Start System) HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

PROCEDURE

1. VEHICLE BROUGHT TO WORKSHOP

   Result
   Proceed to NEXT

   
   

   NEXT

2. INSPECT BATTERY VOLTAGE

   Standard Voltage
   11 to 14 V

   If the voltage is below 11 V, recharge or replace the battery before proceeding.

   Result
   Proceed to NEXT

   
   

   NEXT

3. CRANK ENGINE FOR MORE THAN 10 SECONDS

   Result
   Proceed to NEXT

   
   

   NEXT

4. CHECK FOR DTC*

   
   

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

      Click here

   2. Clear the DTCs.

      Click here

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

      Result
      Result Proceed to DTC is not output A SFI system (for 1ZR-FAE) DTC is output B SFI system (for 2ZR-FAE) DTC is output C SFI system (for 3ZR-FAE) DTC is output D SFI system (for 3ZR-FE) DTC is output E Engine immobiliser system DTC is output F

   
   

   B

   GO TO SFI SYSTEM Click here

   C

   GO TO SFI SYSTEM Click here

   D

   GO TO SFI SYSTEM Click here

   E

   GO TO SFI SYSTEM Click here

   F

   GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

   A

5. PROBLEM SYMPTOMS TABLE

   
   

   1. Refer to Problem Symptoms Table.

      Click here

      Result
      Result Proceed to Fault is not listed in problem symptoms table A Fault is listed in problem symptoms table B

   
   

   B

   GO TO STEP 7 Click here

   A

6. OVERALL ANALYSIS AND TROUBLESHOOTING*

   
   

   1. Data List/Active Test

      Click here

   2. Terminals of ECU

      Click here

      Result
      Proceed to NEXT

   
   

   NEXT

7. ADJUST, REPAIR OR REPLACE

   Result
   Proceed to NEXT

   
   

   NEXT

8. CONFIRMATION TEST

   Result
   Proceed to NEXT

   
   

   NEXT

   END