Mazda MX-3 silhouetteMX-3

Wire Type Heater and Air Conditioner (B6 DOHC only) (Circuit G-3)

Z-84wiring diagram

Wire-type heater and air conditioner; B6 DOHC engine only.

Wire Type Heater and Air Conditioner (B6 DOHC only) (G-3)

Wire Type Heater and Air Conditioner Circuit (G-3, B6 DOHC)
Components (14)
Battery80A MAIN fuseCircuit breaker (30A HEATER)Ignition switch10A REAR WIPER fuse (JB-02/JB-06/JB-07)Blower relayBlower motorResistorHeater control unit — A/C switchHeater control unit — fan switchRefrigerant pressure switchThermoswitchECM (Section B-1c, pins 36/37)Ground (G)
Connections (15)
Battery
Battery:+80A MAIN fuseBlack
80A MAIN fuse
80A MAIN fuseCircuit breaker (30A HEATER)Black
Circuit breaker (30A HEATER)
Circuit breaker (30A HEATER)Blower relayBlue with White stripe
Ignition switch
Ignition switchBlower relayGray
Blower relay
Blower relayBlower motorBlue with White stripe
Blower motor
Blower motorResistorBlue
Resistor
ResistorHeater control unit — fan switchBlue with Yellow stripe
ResistorHeater control unit — fan switchBlue with Red stripe
ResistorHeater control unit — fan switchBlue
ResistorHeater control unit — fan switchBlue with White stripe
Refrigerant pressure switch
Refrigerant pressure switchECM (Section B-1c, pins 36/37):36Brown
Thermoswitch
ThermoswitchHeater control unit — A/C switchBlack with Red stripe
Heater control unit — fan switch
Heater control unit — fan switchECM (Section B-1c, pins 36/37):37Orange with Black stripe
Heater control unit — fan switchGround (G):7Black
Heater control unit — A/C switch
Heater control unit — A/C switchGround (G)Green

Connector terminal layouts

G3-01
NameHeater Control Unit (A/C switch) (I)
TerminalsG, GY
G3-02
NameHeater Control Unit (fan switch) (I)
TerminalsRow 1: O/B, L/R, (crossover), L/Y, R, R/B | Row 2: L/W, (hatched), L, (hatched), B
G3-03
NameResistor (I)
TerminalsRow 1: L, L/Y | Row 2: L/W, L/R
G3-04
NameBlower Motor (F)
TerminalsL
G3-05
NameBlower Relay (F)
TerminalsRow 1: L/W, GY | Row 2: L, B
G3-06
NameCircuit Breaker (F) — HEATER 30A
TerminalsL/W, B
G3-07
NameRefrigerant Pressure Switch (AC)
TerminalsBR, B/R
G3-08
NameThermoswitch (F)
TerminalsG, B/R

See also

Section B-1c

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