Nissan Altima 2007-2012 Service Manual: L Terminal circuit

Description

The terminal “2” (L) circuit controls the charge warning lamp. The charge warning lamp illuminates when the ignition switch is set to ON or START. When the generator is providing sufficient voltage with the engine running, the charge warning lamp will go off. If the charge warning lamp illuminates with the engine running, a malfunction is indicated.

Diagnosis Procedure

1.CHECK CHARGE WARNING LAMP CIRCUIT CONNECTION

Check to see if generator connector F7 terminal 2 is clean and tight.

Is the connection secure? YES >> GO TO 2

NO >> Repair the connection. Confirm repair by performing complete Starting/Charging system test.

Refer to Technical Service Bulletin.

2.CHECK CHARGE WARNING LAMP CIRCUIT

1. Disconnect generator connector F7.

2. Apply ground to generator harness connector F7 terminal 2 with the ignition switch in the ON position.

Does it illuminate? YES >> Check generator function. Refer to CHG-2, "Work Flow".

NO >> GO TO 3

3.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1. Turn ignition switch OFF.

2. Disconnect the generator connector F7.

3. Disconnect the combination meter connector M24.

4. Check continuity between generator harness connector F7 (A) terminal 2 and combination meter harness connector M24 (B) terminal 25.

Is continuity present? YES >> Replace the combination meter. Refer to MWI-176, "Removal and Installation".

NO >> Repair the harness or connector.

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