2004 SATURN ION relay

Fuses Usage
FUEL PUMP Fuel Pump Relay
HVAC Climate Control
CLUSTER Instrument Panel Cluster
LIGHTER Cigar Lighter
RADIO
(BATT1)Radio Receiver, Entertainment
Memory
RADIO (ACC) Radio Receiver, Entertainment
SUNROOF Power Sunroof, OnStar Mirror
WIPER SWWindshield Wipers and Washers,
Transaxle Shift Lock Control Switch
DASH Instrument Panel, Dimming Switch
IGN SW Ignition Switch
PARK Headlamp Switch
PWR OUTLET Auxiliary Power OutletFuses Usage
PWR
WINDOWSPower Window Switches
STOP Stoplamp (Brake) Switch
BCM ELECTIgnition Switch, Body Control
Module (BCM)
BMC (PWR) Entry Control, Trunk Release
Relay Usage
RUNClimate Control (HVAC Blower,
Control Heads)
ACCPower Windows, Sunroof, Radio,
Wiper/Washer Switch, Accessory
Power Outlet
FUEL PUMP Fuel Pump
ALC/PARKOnStar, Radio, Instrument Panel
Cluster, Body Control Module
(Entry Control), Cigar Lighter,
Headlamp Switch, License Lamp
5-97
ProCarManuals.com

Engine Compartment Fuse Block
(2.2L L4 Engine)
Some fuses are in a fuse block in the engine
compartment on the driver’s side of the vehicle.
SeeEngine Compartment Overview on page 5-12for
more information on location.
Fuses Usage
1 ECM/TCMEngine Control Module,
Transmission Control Module
4 HDLP-RH Passenger’s Side Headlamp
5 A/C Air Conditioning Clutch Relay
8 ABS2Anti-Lock Brake System,
Traction Control Module
9 ECM Engine Control Module
10 ERLSCanister Purge Solenoid, Canister
Vent Solenoid, Low Coolant
Switch, Oxygen Sensors
11 IGNElectric Ignition Control Module,
Charging System, Neutral Stop
Back-Up Switch
13 TRANS2 Transaxle (VTi Variable)
14 TRANS1Transmission Control Module,
Neutral Stop Back-Up
15 BACK-UP PRNDIL, Back-up Switch
16 INJECTORS Fuel Injectors (Cylinder 1, 2, 3, 4)
17 FOG Fog Lamp Micro Relay
5-98
ProCarManuals.com

Fuses Usage
18 HDLP-LH Driver’s Side Headlamp
19 WIPER Wiper Mini Relay
20 HORN Horn Micro Relay
21 PREM AUDIOEntertainment, Premium Radio
Amplier
22 ABSAnti-Lock Brake System,
Traction Control Module
23 RR DEFOG Rear Defog Mini Relay
38 RUN/CRANK Ignition 1 Mini Relay
39 IP BATT1 Body Control Module
40 ABSAnti-Lock Brake System,
Traction Control Module
41 IP BATT2 Body Control Module
42 EPS2 Electric Power Steering
43 EPS1 Electric Power Steering
45 COOLING
FANCooling Fan Mini Relay
46 CRANKPowertrain Control Module
Mini RelayFuses Usage
47 IP BATT 1A Body Control Module
48 RUN (IGN 3) Body Control Module
Relays Usage
24 A/C Air Conditioning Clutch
25 HORN Horn
26 FOG LAMP Fog Lamps
28 RUN/CRANK Body Control Module
30 COOLING
FANEngine Cooling Fan
31 PCM CONT ECM
32 WIPER1 Wiper System
33 WIPER2 Wiper System
34 REAR DEFOG Rear Window Defroster
Diodes Usage
35 A/C Air Conditioning Diode
37 WIPER Wiper Diode
5-99
ProCarManuals.com

Engine Compartment Fuse Block
(2.0L Supercharged Engine)
Some fuses are in a fuse block in the engine
compartment on the driver’s side of the vehicle.
SeeEngine Compartment Overview on page 5-12for
more information on location.
Fuses Usage
1 ECM Engine Control Module
4 RH HDLP Passenger’s Side Headlamp
5 A/C Air Conditioning Clutch Relay
8 ABS Anti-Lock Brake System
9 ECM/ETC Engine Control Module
10 EMISSCanister Purge Solenoid, Mass Air
Flow Sensor, Low Coolant Switch,
Oxygen Sensors
11 IGN Ignition Coils (1,2,3,4)
13 ECM Engine Control Module
14 BOOST Engine Boost Solenoid
15 BACK-UP Back-up Switch
16 INJECTORS Fuel Injectors (Cylinder 1, 2, 3, 4)
18 LH HDLP Driver’s Side Headlamp
19 WIPER Wiper Mini Relay
20 HORN Horn Micro Relay
21 RADIO Radio
5-100
ProCarManuals.com

Fuses Usage
22 ABS Anti-Lock Brake System
23 RR DEFOG Rear Defog Mini Relay
38 RUN/CRANK Ignition 1 Mini Relay
39 IP BATT1 Body Control Module
40 ABS Anti-Lock Brake System
41 IP BATT2 Body Control Module
43 EPS Electric Power Steering
44 COOLING
FAN 2Cooling Fan Mini Relay
45 COOLING
FAN 1Cooling Fan Mini Relay
46 CRANK Crank
47 IP BATT 1A Body Control Module
48 RUN (IGN 3) Body Control ModuleRelays Usage
24 A/C CLUTCH Air Conditioning Clutch
25 HORN Horn
27 AFTER
COOLER PUMPAfter Cooler Pump
28 RUN/CRANK Body Control Module
29 POWERTRAINPowertrain
30 COOLING
FAN 1Engine Cooling Fan
31 ECM CONT Starter Solenoid
32 WIPER1 Wiper System
33 WIPER2 Wiper System
34 REAR DEFOG Rear Window Defroster
Diodes Usage
35 A/C Air Conditioning Diode
37 WIPER Wiper Diode
5-101
ProCarManuals.com