Starters: Overview Infiniti Q45 III

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 E44

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.