Operation CHARM: Car repair manuals for everyone.

Starting System: Description and Operation

System Description

M/T MODEL

Power is supplied at all times:
- through 40 A fusible link (letter M, located in the fuse and fusible link box)
- to ignition switch terminal 1.
- through 10 A fuse (No.71, located in the IPDM E/R)
- to CPU of IPDM E/R
- through 15 A 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:
- from ignition relay (located in the IPDM E/R)
- to 10 A fuse (No.89, located in the IPDM E/R)
- through 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 body grounds E17 and E43.

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.

A/T MODEL

Power is supplied at all times:
- through 40 A fusible link (letter M, located in the fuse and fusible link box)
- to ignition switch terminal 1.
- through 10 A fuse (No.71, located in the IPDM E/R)
- to CPU of IPDM E/R
- through 15 A 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:
- from ignition relay (located in the IPDM E/R)
- to CPU of IPDM E/R.

When the selector lever in the P or N position, power is supplied:
- from TCM terminal 48
- to IPDM E/R terminal 53.

Ground is supplied:
- to IPDM E/R terminals 38, 50 and 60
- from body grounds E17 and E43.

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.