How To Proceed With Troubleshooting

ENGINE IMMOBILISER: ENGINE IMMOBILISER SYSTEM (w/ Smart Key System): HOW TO PROCEED WITH TROUBLESHOOTING

HINT
Use these procedures to troubleshoot the engine immobiliser system.

*: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

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

NEXT -- Continue to next step.

3. CRANK ENGINE FOR MORE THAN 10 SECONDS

NEXT -- Continue to next step.

4. CHECK FOR DTC*

(a) Check for DTCs and make a note of any codes that are output Engine Immobiliser System (w/ Smart Key System).

(b) Clear the DTC.

(c) Recheck for DTCs. Based on the DTC output above, try to cause the output of the same SFI system DTC or engine immobiliser system DTC by simulating the original activity indicated by the DTC.





B -- Go to SFI SYSTEM

D -- Go to step 7
A -- Continue to next step.

5. PROBLEM SYMPTOMS TABLE





B -- Go to step 7
A -- Continue to next step.

6. OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) DATA LIST / ACTIVE TEST Engine Immobiliser System (w/ Smart Key System)

(b) Terminals of ECU Engine Immobiliser System (w/ Smart Key System)

NEXT -- Continue to next step.

7. ADJUST, REPAIR OR REPLACE

NEXT -- Continue to next step.

8. CONFIRMATION TEST

NEXT -- END