M/T Model

WARNING: This page is about a different car, the 2005 Nissan 350Z. However, it is still accessible from the selected car via links, so may be relevant.

Power is supplied at all times:

through 40A fusible link (letter M , located in the fuse and fusible link block)
to ignition switch terminal 1,
through 10A fuse (No. 71, located in the IPDM E/R)
to CPU of IPDM E/R,
through 15A fuse (No. 78, located in the IPDM E/R)
to CPU of IPDM E/R.

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

to CPU of IPDM E/R, from battery direct
through 10A fuse (No. 89, located in the IPDM E/R) and IPDM E/R terminal 25
to clutch interlock switch terminal 1.

When the clutch pedal is depressed, power is supplied:

through clutch interlock switch terminal 2
to IPDM E/R terminal 53.

Ground is supplied:

to IPDM E/R terminals 38, 50 and 60
from grounds E17, E43 and F152.

Then starter relay is turn ON.

With the ignition switch in the START position, IPDM E/R is energized and power is supplied:

from ignition switch terminal 5
to IPDM E/R terminal 4 and
through IPDM E/R terminal 3
to starter motor terminal 1.

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