Check Procedure 3－Open Excitation Circuit - Tomberlin 2010 E-Merge Maintenance Manual

of wrong reading, the cause may be the off contact or poor contact of brush set and/or
disconnection of armature winding. The electric motor should be removed from the vehicle and be
repaired by professionals. Please refer to Chapter 9 "Removal of Motor".
Check Procedure 3－open excitation circuit
Please refer to Chapter 1 "Safety Protection Measures".
1. Disconnect the battery cable as specified. Please refer to Chapter 1 "Protection for Electrical
Safety".
2. Secure the terminals with two spanners, and disconnect wires from connecting terminals F1 and F2
of the electric motor. Attach the red probe (＋) of the multimeter set at 200Ω（ohm）to F1 and the
black probe (－) to F2 terminal. The multimeter should indicate connected. In case of wrong reading,
the cause may be open excitation coil or poor contact of terminal bond. The electric motor should be
removed from the vehicle and be repaired by professionals. Please refer to Chapter 9 "Removal of
Motor".
Fig 12-1: Inspection of the short circuit of electric motor
Electric Motor
MERGE 12-2
Chapter 12