Mazda MX-3 silhouetteMX-3

CHARGING SYSTEM

G-8wiring diagram

Circuit diagram given separately for K8-DOHC and B6-DOHC engines; the two schematics differ only in generator/rectifier detail.

PREPARATION - SST

SST (Special Service Tools)

49 9200 020A — Tension gauge, V-ribbed belt
UsageFor inspection of drive belt tension

CIRCUIT DIAGRAM

Charging System Circuit Diagram (K8-DOHC)
Components (5)
Generator (stator windings, rectifier diode bridge, field coil)Voltage regulator (transistorized)Generator warning lightIgnition switchBattery
Connections (5)
Generator (stator windings, rectifier diode bridge, field coil)
Generator (stator windings, rectifier diode bridge, field coil):BBattery:+
Generator (stator windings, rectifier diode bridge, field coil):LGenerator warning light
Generator (stator windings, rectifier diode bridge, field coil):SGenerator (stator windings, rectifier diode bridge, field coil):internal
Generator (stator windings, rectifier diode bridge, field coil):EBattery:ground
Generator warning light
Generator warning lightIgnition switch
Charging System Circuit Diagram (B6-DOHC)
Components (5)
Generator (stator windings, rectifier diode bridge, field coil)Voltage regulator (transistorized)Generator warning lightIgnition switchBattery
Connections (5)
Generator (stator windings, rectifier diode bridge, field coil)
Generator (stator windings, rectifier diode bridge, field coil):BBattery:+
Generator (stator windings, rectifier diode bridge, field coil):LGenerator warning light
Generator (stator windings, rectifier diode bridge, field coil):SGenerator (stator windings, rectifier diode bridge, field coil):internal
Generator (stator windings, rectifier diode bridge, field coil):EBattery:ground
Generator warning light
Generator warning lightIgnition switch
The generator has a self-diagnostic function to warn the operator of the following problems in the charging system. If a problem arises, the generator warning light illuminates.
1. Terminal S circuit open 2. No voltage output 3. Field coil circuit open 4. Terminal B circuit open 5. Voltage output too high

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