Home/Mazda/MX-5/Mazda MX-5 NB (1998-2001)/Repair manual/Charging System/Generators & Regulators - Except Pickup: Diagnosis
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Generators & Regulators - Except Pickup: Diagnosis Mazda MX-5 NB

Charging System ~111 words

TROUBLE SHOOTING

Note. See TROUBLE SHOOTING article in GENERAL INFORMATION.

TROUBLE SHOOTING PRECAUTIONS

Observe the following precautions when trouble shooting or testing charging system

  1. Obtain code number and deactivate audio anti-theft system before disconnecting battery (if equipped).
  2. DO NOT reverse battery cable connections. Rectifier will be damaged.
  3. Battery voltage should always exist at generator terminal "B".
  4. DO NOT ground generator terminal "L" while engine is running.
  5. DO NOT start engine with generator disconnected.

ON-VEHICLE TESTING

Note. Check generator wiring harness connections and drive belt tension. Battery must be fully charged before testing. Wait at least 30 seconds after starting engine before measuring system voltage.