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Starting System (Except Hybrid): Overview Nissan Altima L32

Starter 1 illustration ~208 words

Starting System Diagnosis And Repair Work Flow Chart. Scheme 1

Scheme 1: Starting System Diagnosis And Repair Work Flow Chart

System Description

The starter motor plunger closes and provides a closed circuit between the battery and the starter motor. The starter motor is grounded to the cylinder block. With power and ground supplied, the starter motor operates.

Component Description

Component partDescription
PNP switch (CVT models)PNP switch supplies power to the starter relay and starter control relay inside IPDM E/R when the selector lever is shifted to the P or N position.
Clutch interlock switch (M/T models)The switch turns ON and electric power is supplied to the starter relay and starter control relay inside IPDM E/R when the clutch pedal is depressed.
BCMBCM controls the starter relay inside IPDM E/R.
IPDM E/RCPU inside IPDM E/R controls the starter control relay.
Starter motorThe starter motor plunger closes and the motor is supplied with battery power, which in turn cranks the engine, when the "S" terminal is supplied with electric power.

COMPONENT DESCRIPTION

Description

The "B" terminal is constantly supplied with battery power.

The starter motor magnetic switch is supplied with power when the ignition switch is turned to the START position while the selector lever is in the P or N position (CVT models) or the clutch pedal is fully depressed (M/T models).

The starter motor plunger closes and provides a closed circuit between the battery and the starter motor. The starter motor is grounded to the cylinder block. With power and ground supplied, the starter motor operates.

Component partDescription
TCM (CVT models)TCM supplies power to the starter relay and starter control relay inside IPDM E/R when the selector lever is shifted to the P or N position.
Clutch interlock switch (M/T models)The switch turns ON and electric power is supplied to the starter relay and starter control relay inside IPDM E/R when the clutch pedal is depressed.
BCMBCM controls the starter relay inside IPDM E/R.
IPDM E/RCPU inside IPDM E/R controls the starter control relay.
Starter motorThe starter motor plunger closes and the motor is supplied with battery power, which in turn cranks the engine, when the "S" terminal is supplied with electric power.

COMPONENT DESCRIPTION

The "B" terminal is constantly supplied with battery power.

The starter motor magnetic switch is supplied with power when the ignition switch is turned to the START position while the selector lever is in the P or N position (CVT models) or the clutch pedal is fully depressed (M/T models).