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Home >> Hyundai >> 2020 >> Sonata SEL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Idle Stop & Go (ISG) System - 1.6L (Except HEV)) >> Schematic Diagrams >> Operation Condition For The ISG Function >> Auto-starting (Stop → Start) Condition >> Common Condition: Neutral Status & Clutch Pedal Released

Common Condition: Neutral Status & Clutch Pedal Released

WARNING: This page is about a different variant/trim than selected.
Conditions Required
Not inhibitor condition for operating strategy
  • TPS, CKPS, CMPS, ECTS, VSS, Battery sensor, BBVPS, Neutral Switch, Clutch Switch
Brake booster vacuum pressure is low.
When the battery charge status is low.
A certain amount of time has passed after the air conditioning is On.
Vehicle speed is over 5kph by rolling down a hill.
Blower Max.
CAUTION: ISG system deactivation by fault
  • Fault in communication line (LIN/CAN)
  • Fault neutral switch
  • Fault brake booster vacuum pressure sensor
  • Fault clutch switch

When the ISG related sensors or system error occurs, the ISG OFF switch lights up.
Especially when the battery sensor is replaced or reinstalled, the vehicle must be placed in the ignition switch OFF for about 4 hours for recalibration.
The ISG function is operated about 4 hours later normally.
WARNING:
  • When the engine is in Idle stop mode, it's possible to restart the engine without the driver taking any action. Before leaving the car or doing anything in the engine room area, stop the engine by turning the ignition key to the LOCK position or removing it.