Engine Immobilizer System

ENGINE IMMOBILIZER: ENGINE IMMOBILIZER SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use these procedures to troubleshoot the engine immobilizer 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. CHECK FOR DTC*

(a) Check for DTCs and make a note of any codes that are output Engine Immobilizer System.

(b) Clear the DTC Engine Immobilizer System.

(c) Recheck for DTCs Engine Immobilizer System. Based on the DTCs output above, try to cause the output of the same hybrid control system DTC, LIN communication system DTC, steering lock system DTC or engine immobilizer system DTC by simulating the symptoms indicated by the DTC.





B -- Go to DIAGNOSTIC TROUBLE CODE CHART Hybrid Control System

C -- Go to DIAGNOSTIC TROUBLE CODE CHART LIN Communication System

D -- Go to DIAGNOSTIC TROUBLE CODE CHART Steering Lock System

E -- Go to DIAGNOSTIC TROUBLE CODE CHART Engine Immobilizer System
A -- Continue to next step.

4. PROBLEM SYMPTOMS TABLE





B -- Go to step 6
A -- Continue to next step.

5. OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Data List / Active Test Engine Immobilizer System

(b) Terminals of ECU Engine Immobilizer System

NEXT -- Continue to next step.

6. ADJUST, REPAIR OR REPLACE

NEXT -- Continue to next step.

7. CONFIRMATION TEST

NEXT -- END