Starting & Charging System: Overview Nissan Armada I

SYSTEM DESCRIPTION

Power is supplied at all times

1. through 40A fusible link (letter m, located in the fuse and fusible link box)
2. to ignition switch terminal B.

With the ignition switch in the START position, power is supplied

1. from ignition switch terminal ST
2. to IPDM E/R terminal 21.

With the ignition switch in the ON or START position, power is supplied to IPDM E/R (intelligent power distribution module engine room) CPU.

With the selector lever in the P or N position, power is supplied

1. through A/T assembly terminal 9
2. to IPDM E/R terminal 48.

Ground is supplied at all times

1. to IPDM E/R terminals 38 and 59
2. through body grounds E9, E15 and E24.

Then the starter relay is turned on.

The IPDM E/R is energized and power is supplied

1. from terminal 19 of the IPDM E/R
2. to terminal 1 of the starter motor windings.

The starter motor plunger closes and provides a closed circuit between the battery and the starter motor. The starter motor is grounded to the cylinder block. With power and ground supplied, the starter motor operates.

Scheme 2

The generator provides DC voltage to operate the vehicle's electrical system and to keep the battery charged. The voltage output is controlled by the IC regulator.

Power is supplied at all times

1. to generator terminal 4
2. through 10A fuse (No. 30, located in the fuse and fusible link box).

Terminal 1 supplies power to charge the battery and operate the vehicle's electrical system. Output voltage is controlled by the IC regulator at terminal 4 detecting the input voltage. The charging circuit is protected by the 140A fusible link (letter a, located in the fusible link box).

Ground is supplied

1. to generator terminal 2
2. through body ground E203.

With the ignition switch in the ON or START position, power is supplied

1. through 10A fuse [No. 14, located in the fuse block (J/B)]
2. to combination meter terminal 24 for the charge warning lamp.

Ground is supplied to terminal 13 of the combination meter through terminal 3 of the generator. With power and ground supplied, the charge warning lamp will illuminate. When the generator is providing sufficient voltage with the engine running, the ground is opened and the charge warning lamp will go off. If the charge warning lamp illuminates with the engine running, a fault is indicated.

Scheme 3