LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2025 >> Legacy Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Auto Start Stop System (Diagnostics) >> Active Test >> List >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Active Test: List: Notes

NOTE:
  • Before performing the active test for Auto Start Stop, execution conditions listed below must be met in each item.
  • *1: The restart conditions after stopping the engine are the same as those of "Auto Start Stop restart conditions"  . Ref. to AUTO START STOP (DIAGNOSTICS)>DATA MONITOR>LIST .
Active test item Contents Execution condition
Electric oil pump control (Relay ON/OFF drive) ON/OFF of the electric oil pump relay (Auto Start Stop) can be set.
  • "Common execution condition" established
  • Electric oil pump diagnosis is normal
Electric oil pump control (Pump ON/OFF drive) Command duty of the electric oil pump (Auto Start Stop) can be set.
  • ENGINE TYPE FB: 10 → 55 % (for 120 seconds)
  • ENGINE TYPE FA: 10 → 90 % (for 120 seconds)
  • "Common execution condition" established
  • The value of [Coolant Temp.] is 80°C (176°F) or more
  • CAN communication is normal
Sub power supply control (ON/OFF Dr.) DC/DC converter can be set to ON (2 seconds). "Common execution condition" established
Engine stop control *1 Auto Start Stop can be performed without driving the vehicle. Auto Start Stop condition is established Ref. to AUTO START STOP (DIAGNOSTICS)>DATA MONITOR .