Nissan Altima 2007-2012 Service Manual: B Terminal circuit

Description

The terminal “1” (B) circuit supplies power to charge the battery and operate the vehicles electrical system.

Diagnosis Procedure

1.CHECK TERMINAL “1” CONNECTION

1. Turn ignition switch OFF.

2. Check if terminal “1” is clean and tight.

Is the inspection result normal? YES >> GO TO 2

NO >> Repair terminal “1” connection. Confirm repair by performing complete Starting/Charging system test. Refer to Technical Service Bulletin.

2.CHECK TERMINAL “1” CIRCUIT

Check voltage between generator connector F6 terminal 1 and ground.

Is the inspection result normal? YES >> GO TO 3

NO >> Check harness for open between generator and fusible link.

3.CHECK TERMINAL “1” CONNECTION (VOLTAGE DROP TEST)

1. Start engine, then engine running at idle and warm.

2. Check voltage between battery positive terminal and generator connector F6 terminal 1.

Is the inspection result normal? YES >> Terminal “1” circuit is normal. Refer to CHG-2, "Work Flow".

NO >> Check harness between battery and generator for high resistance.

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