Nissan Altima 2007-2012 Service Manual: Inspection and adjustment

ECM RE-COMMUNICATING FUNCTION

 Description

Performing following procedure can automatically perform re-communication of ECM and BCM, but only when the ECM has been replaced with a new one (*1).

*1: New one means an ECM which has never been energized on-board.

(In this step, initialization procedure by CONSULT-III is not necessary) NOTE: • When registering new Key IDs or replacing the ECM that is not brand new, refer to CONSULT-III Operation Manual.

• If multiple keys are attached to the key holder, separate them before work.

• Distinguish keys with unregistered key ID from those with registered ID.

Special Repair Requirement

1.PERFORM ECM RE-COMMUNICATING FUNCTION

1. Install ECM.

2. Insert the registered keyfob (*2), turn ignition switch to “ON”.

*2: To perform this step, use the key that has been used before performing ECM replacement.

3. Maintain ignition switch in “ON” position for at least 5 seconds.

4. Turn ignition switch to “OFF”.

5. Start engine.

Can engine be started? YES >> Procedure is completed.

NO >> Initialize control unit. Refer to CONSULT-III Operation Manual.

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