LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2021 >> Forester Base >> Repair and Diagnosis >> Electrical >> Charging Systems >> Engine Starting System & Charging System >> Starter >> Inspection >> No-Load Test
April 5, 2026: LEMON Manuals is launched! Read the announcement.

No-Load Test

CAUTION:
  • Use a thick cable due to large current flowing through the cable.
    1. For B terminal and ground, it is recommended that the cross-section area of continuity part (shaded part) should be 20 mm2 (0.00310 sq in) or more. For S terminal, 1.25 mm2 (0.00194 sq in) or more.
      G13868428Courtesy of SUBARU OF AMERICA, INC.
    2. It is possible to use a booster cable instead of wiring.
  • Be careful not to burn yourself and cause a fire due to heat.
  • Perform the no-load test in a short period of time. (Within 3 to 5 seconds)
NOTE: For no-load test, use the circuit shown in figure.
G13868429Courtesy of SUBARU OF AMERICA, INC.
  1. Using a vise, secure the starter.
    CAUTION: Be careful not to deform or damage the starter.
  2. Turn the switch ON, and check that the pinion protrudes rapidly into the specified position and rotates powerfully without noise.
  3. Check the current and voltage after its rotation speed stabilizes.

    Standard (current/voltage) 

    90 A or less/approx. 11 V