B-3 Wiring Diagram — Cooling Fan System
Z-38wiring diagramCooling fan switching is triggered either by the water thermo-switch (B3-02) closing above 97°C OR by the ECU via the A/C relay output.
B-3 Cooling Fan System — Wiring Diagram
B-3 Cooling Fan System
Components (13)
BatteryMain Fuse 80AMain Fuse 30AInline connector X-01Inline connector X-02Main RelayCooling Fan RelayInline connector X-10Cooling Fan MotorWater Thermo-Switch (FAN)A/C RelayEngine Control Unit & Diagnosis Connectorground tag1
Connections (13)
Battery
BatteryInline connector X-02Black
Inline connector X-02
Inline connector X-02Main Fuse 80ABlack
Main Fuse 80A
Main Fuse 80AMain Fuse 30ABlack
Main Fuse 30A
Main Fuse 30AInline connector X-01Black
Inline connector X-01
Inline connector X-01Cooling Fan Relay:B/RBlack with Red stripe
Main Relay
Main RelayCooling Fan Relay:B/WBlack with White stripe
Cooling Fan Relay
Cooling Fan Relay:YInline connector X-10Yellow
Cooling Fan Relay:B/GInline connector X-10Black with Green stripe
Inline connector X-10
Inline connector X-10Cooling Fan Motor:YYellow
Inline connector X-10Water Thermo-Switch (FAN):B/GBlack with Green stripe
Inline connector X-10A/C Relay:tag26Black with Green stripe
Inline connector X-10Engine Control Unit & Diagnosis Connector:tag16Black with Green stripe
Cooling Fan Motor
Cooling Fan Motor:Bground tag1Black
| Specification | Value |
|---|---|
| Cooling fan thermo-switch (B3-02) closesON | 97°C |
Cooling fan thermo-switch (B3-02) closesON
97°C
Connector B3-01 (Cooling Fan Relay, E) — pin colors
Top-left
Wire colorB/R
Top-right
Wire colorB/W
Bottom-left
Wire colorB/G
Bottom-right
Wire colorY
Connector B3-02 (Water Thermo-Switch FAN, F) — pin colors
Single pin
Wire colorB/G
Connector B3-03 (Cooling Fan Motor, F) — pin colors
Top
Wire colorY
Bottom
Wire colorB
See also
Section B-1a (Main Relay) · Section B-1c (ECU & Diagnosis Connector) · Section G (A/C Relay)