Starters: Overview Infiniti M45 II

DESCRIPTION & OPERATION

Power is supplied at all times

1. Through 50-amp fusible link (Letter "G", located in fuse, fusible link and relay box).
2. To ignition switch terminal No. 1.

With ignition switch in START position, power is supplied

1. From ignition switch terminal No. 4.
2. To Park/Neutral Position relay terminal No. 7.

Ground is supplied with selector lever in "P" or "N" position

1. To TCM terminal No. 48 through Park/Neutral Position relay terminals No. 1 and 2.
2. From body grounds E24 and E42.

Then Park/Neutral Position switch is energized and power is supplied

1. From Park/Neutral Position relay terminal No. 6.
2. To starter motor harness connector terminal No. 1.

Starter motor plunger closes and provides a closed circuit between the battery and starter motor. Starter motor is grounded to engine block. With power and ground supplied, cranking occurs and engine starts.