Nissan Sentra Service Manual: System

STARTING SYSTEM (WITH INTELLIGENT KEY)

Component Parts Location

1. Starter motor
2. Transmission range switch (CVT Models)
3. IPDM E/R (view with air inlet duct removed)
4. Clutch interlock switch (M/T Models)
5. ECM

Component Description

STARTING SYSTEM (WITHOUT INTELLIGENT KEY)

System Diagram

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.

STARTING SYSTEM (WITHOUT INTELLIGENT KEY)

STARTING SYSTEM (WITHOUT INTELLIGENT KEY) : System Diagram

*1: M/T models

*2: CVT models

STARTING SYSTEM (WITHOUT INTELLIGENT KEY) : System Description

CVT MODELS

• When the selector lever is in the P or N position, power is supplied to starter control relay by the transmission range switch. The IPDM E/R (CPU) detects selector lever P/N condition by the inputted signal.
• When engine cranking condition is satisfied, then battery power is supplied to starter motor (“S” terminal) through starter control relay.

M/T MODELS

When the clutch pedal is depressed, battery power is supplied to starter motor (“S” terminal).