Engine Immobiliser System

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

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 note any codes that are output Engine Immobiliser System.
(b) Clear the DTCs Engine Immobiliser System.
(c) Recheck for DTCs. Try to duplicate the DTC (SFI system and engine immobiliser system) by simulating the symptoms indicated by the DTC.

Result





B -- Go to SFI SYSTEM
C -- Go to SFI SYSTEM
D -- Go to SFI SYSTEM
E -- Go to DIAGNOSTIC TROUBLE CODE CHART
A -- Continue to next step.
5. PROBLEM SYMPTOMS TABLE

Result





B -- Go to step 7
A -- Continue to next step.
6. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Data List/Active Test Engine Immobiliser System
(b) Terminals of ECU Engine Immobiliser System
NEXT -- Continue to next step.
7. ADJUST, REPAIR OR REPLACE
NEXT -- Continue to next step.
8. CONFIRMATION TEST
NEXT -- END