ENGINE IMMOBILISER SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING

for Preparation Click here

HINT:

1. Use these procedures to troubleshoot the engine immobiliser system.
   
2. *: Use the intelligent tester.
   

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Standard voltage:

11 to 14 V


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

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1. Check for DTCs and note any codes that are output (Click here).
   

2. Delete the DTC.
   

3. Recheck for DTCs. Based on the DTC output above, try to force output of the same SFI, ECD or engine immobiliser system DTC by simulating the symptoms indicated by the DTC.
   
   

   Result: 

   Result	Proceed to
   DTC does not reoccur	A
   SFI system DTC reoccurs	B
   Engine immobiliser system DTC reoccurs	C

B.	Go to SFI system
C.	Go to step 7
A

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
A

1. Data List/Active Test (Click here)
   

2. Terminals of ECU (Click here)
   

3. Inspection (Click here)
   

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