Initial Inspection and Diagnostic Overview
THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2013 MY FR-S [03/2012 -]
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.
HINT
A simple method to determine whether the battery is depleted is to operate the horn.
NEXT -- Continue to next step.
3. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
(a) Use the Techstream to check if the CAN communication system is functioning normally Diagnosis System.
Result
B -- GO TO CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting
A -- Continue to next step.
4. CHECK FOR DTC*
(a) Check for DTCs and note any codes that are output Reading and Clearing Diagnostic Trouble Codes
Result
(a) Based on the DTCs output above, proceed to each diagnostic procedure.
HINT
If any DTCs other than the ones for the engine immobiliser system are stored, check these DTCs first.
B -- GO TO SFI SYSTEM SFI System
C -- PROCEED TO DTC CHART Engine Immobilizer System
A -- Continue to next step.
5. PROBLEM SYMPTOMS TABLE
(a) Refer to Problem Symptoms Table Problem Symptoms Table.
Result
B -- Go to step 7
A -- Continue to next step.
6. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Data List / Active Test Scan Tool Testing and Procedures.
(b) Terminals of ECU Pinout Values and Diagnostic Parameters.
NEXT -- Continue to next step.
7. ADJUST, REPAIR OR REPLACE
NEXT -- Continue to next step.
8. CHECK FOR DTC*
(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.
(b) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.
HINT
Before checking for DTCs, perform the "DTC Output Confirmation Operation" of each diagnostic procedure Engine Immobilizer System.
Result
B -- GO TO DIAGNOSTIC TROUBLE CODE CHART Engine Immobilizer System
A -- END