B1577
THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM: B1577; Immobiliser System EEPROM Malfunction; 2013 MY FR-S [03/2012 -]
B1577 - Immobiliser System EEPROM Malfunction
DESCRIPTION
The ECM stores this code when an internal malfunction is detected in the main body ECU (network gateway ECU) or when the ROM in the main body ECU (network gateway ECU) cannot be accessed.
INSPECTION PROCEDURE
NOTICE:
If the main body ECU (network gateway ECU) is replaced, refer to Registration Programming and Relearning.
PROCEDURE
1. ERASURE OF KEY CODE
(a) Prepare all the registered keys, and then clear all the key codes Programming and Relearning.
OK:
The key code can be erasure.
NG -- REGISTER KEY
OK -- END (REGISTER ALL THE KEYS)
2. REGISTER KEY
(a) Perform the key code re-registration Programming and Relearning.
OK:
The key code can be registered.
NG -- ERASURE OF KEY CODE
OK -- END (REGISTER ALL THE KEYS)
3. ERASURE OF KEY CODE
(a) Perform the key code erasure Programming and Relearning.
OK:
The key code can be erasure.
NG -- REPLACE MAIN BODY ECU (NETWORK GATEWAY ECU) Removal
OK -- END (REGISTER ALL THE KEYS)