M/T Model

WARNING: This page is about a different car, the 2003 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

Power is supplied at all times:

Through 40-Amp fusible link (letter "M", located in the fuse and fusible link box)
To ignition switch terminal No. 1
Through 15-Amp fuse (No. 73, located in the IPDM E/R)
To CPU of IPDM E/R

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

To 10-Amp fuse (No. 80 located in the IPDM E/R)
To CPU of IPDM E/R
Through IPDM E/R terminal No. 26
To clutch interlock switch terminal No. 1

When clutch pedal is depressed, power is supplied:

Through clutch interlock switch terminal No. 2
To IPDM E/R terminal No. 43

Ground is supplied:

To IPDM E/R terminals No. 14, 45 and 46
From body grounds E17 and E43

Then starter relay is turned ON.

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

From ignition switch terminal No. 5
To IPDM E/R terminal No. 11
Through IPDM E/R terminal No. 4
To starter motor terminal No. 1

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