FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Engine Immobilizer System (w/o Smart Key System)





THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM (w/o Smart Key System): HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use these procedures to troubleshoot the engine immobiliser system.
* *: Use the Techstream.
* If the ignition switch cannot be turned to ON, communication with the Techstream can be performed by connecting the Techstream to the vehicle and turning a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and vehicle begins.

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.

HINT
A simple method to determine whether the battery is depleted is to operate the horn.

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 Immobilizer System (w/o Smart Key System).

(b) Based on the DTCs output above, proceed to each diagnostic procedure.

Result





B -- Go to SFI SYSTEM Engine Control - SFI System

C -- Go to DIAGNOSTIC TROUBLE CODE CHART Engine Immobilizer System (W/O Smart Key System)
A -- Continue to next step.

5. PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table Engine Immobilizer System (w/o Smart Key System).

Result





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

6. OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Data List / Active Test Engine Immobilizer System (w/o Smart Key System).

(b) Terminals of ECU Engine Immobilizer System (w/o Smart Key System).

NEXT -- Continue to next step.

7. ADJUST, REPAIR OR REPLACE

NEXT -- Continue to next step.

8. CHECK FOR DTC*

(a) Clear the DTCs Engine Immobilizer System (w/o Smart Key System).

(b) Check for DTCs Engine Immobilizer System (w/o Smart Key System).

HINT
Before checking for DTCs, perform the "DTC Output Confirmation Operation" of each diagnostic procedure Engine Immobilizer System (W/O Smart Key System).

Result





B -- DIAGNOSTIC TROUBLE CODE CHART Engine Immobilizer System (W/O Smart Key System)

A -- END