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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> Electrical >> Charging Systems >> Generators & Regulators >> System Tests >> Test A: Charging System Warning Indicator Is On With Engine Running (3.0L)

Test A: Charging System Warning Indicator Is On With Engine Running (3.0L)

  1. Using DVOM, measure voltage between generator "B" terminal X-102b (Yellow/White wire) and ground. If battery voltage exists, go to next step. If battery voltage does not exist, repair Yellow/White circuit, then retest system. See WIRING DIAGRAMS .
  2. Disconnect generator 3-pin connector X-102a. See Figure. Measure voltage between generator connector terminal No. 3 (Black/Yellow wire) and ground. If battery voltage exists, go to next step. If battery voltage does not exist, repair Black/Yellow wire. See WIRING DIAGRAMS . Retest system for normal operation.
  3. Turn ignition switch to RUN position, engine off (KOEO). Measure voltage between generator connector terminal No. 1 (Light Green/Red wire) and ground. If battery voltage exists, go to next step. If battery voltage does not exist, repair Light Green/Red wire. See WIRING DIAGRAMS . Retest system for normal operation.
  4. Reconnect generator 3-pin connector X-102a. Start engine. Measure voltage drop between generator connector X-102b and battery positive (+) terminal. If voltage drop is less then .5 volt, replace generator. See GENERATOR  under REMOVAL & INSTALLATION. If voltage drop is more than .5 volt, repair high resistance in Yellow/White wire. See WIRING DIAGRAMS . Retest system for normal operation.
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