Saab 9-3 (2003-2005) – fuse and relay box

3 March 2022 Olivier 0 Comments

Table of Contents

Fuse and Relay Box Diagrams – Saab 9-3

Applies to vehicles manufactured in the years:

2003, 2004, 2005.

Number	Amperes [A]	Description
1	15	Steering wheel lock
2	5	Steering column unit; Ignition switch.
3	10	Loudspeeker sysetm; CD player; Cab CD changer; SID.
4	10	The main unit of the instrument; Manual climate control; Automatic air conditioning (ACC).
5	7.5	Control module in the front door; Parking brake shift lock (automatic gearbox).
6	7.5	Brake light switch
7	20	Fuse panel in the dashboard; Fuel filler door.
8	30	Control module in front passenger’s door
9	10	Fuse panel in the dashboard
10	30	Trailer socket; Electric socket in the storage compartment between the seats
11	10	Data link connection (diagnostics)
12	15	Interior lighting including glove box
13	10	Accessories
14	20	Radio, sound system I; Control panel; Information and entertainment system.
15	30	Control module in the driver’s door
16	–	–
17	–	–
18	7.5	Manual climate control; Fan.
19	–	–
20	7.5	Headlight leveling switch
21	7.5	Loudspeeker sysetm; Brake light switch; Manual climate control; Clutch pedal switch.
22	30	Lighter
23	40	Cabin fan
24	7.5	Airbag control module
25	–	–
26	5	Yaw sensor (cars with ESP)
27	–	–

Number	Amperes [A]	Description
1-5	MAXI	–
6	30	Control module in left rear door
7	30	Control module in right-hand rear door
8	20	Trailer
9	–	–
10	30	Left brake light; Rear right turn signal; Right rear light; Right reversing lamp; High mounted brake light; Trailer lights.
11	–	–
12	–	–
13	–	–
14	–	–
15	15	Seat heating, left seat
16	15	Seat heating, right seat
17	7.5	Automatically dimming rear view mirror; Rain sensor; Tire pressure monitoring.
18	15	Sunroof
19	7.5	Telematics (OnStar)
20	7.5	DVD player (navigation system)
21	7.5	Saab Parking Assistance (SPA); Rear door control module.
22	30	Amplifier, sound system III
23	–	–
24	10	Motion detector; Luggage compartment CD changer (accessory).
25	30	Driver’s seat electrically adjustable with memory
26	30	Right brake light; Left rear turn signal; Left rear light; Rear fog light; Left reversing lamp; Number plate lighting; Luggage compartment lighting; Trailer lights.
27	10	Cabriolet: lumbar support, electrically adjustable front seat.
28	–	–
29	–	–

Number	Amperes [A]	Description
1	–	–
2	10	Engine control module; Automatic transmission control module.
3	20	Horn
4	10	Engine control module; Battery switch.
5	–	–
6	10	Gear lever, automatic gearbox
7	–	–
8	–	–
9	–	–
10	–	–
11	–	–
12	–	–
13	–	–
14	–	–
15	30	Washer fluid pump, headlights
16	30	Right front parking light; Front right turn signal; Left and right turn signal; Right high beam; Left dipped beam; Left front fog lamp.
17	30	Windshield wiper motor, low speed
18	30	Windshield wiper motor, high speed
19	20	Parking heating; Auxiliary heater.
20	10	Headlamp leveling
21	–	–
22	30	Washer fluid pump, windshield
23	–	–
24	20	Extra lights
25	20	Amplifier, sound system II
26	30	Front left turn signal; Left front parking light; Right front fog lamp; Right low beam; Left high beam.
27-37	MAXI	–

Allocation of relays in the engine compartment

R1	Washer fluid pump, windshield
R2	–
R3	–
R4	–
R5	Extra lights
R6	Horn
R7	–
R8	Starter
R9	Wipers ON / OFF
R10	–
R11	Ignition +15
R12	Windshield wipers, high / low speed
R13	–
R14	Washer fluid pump, headlights
R15	–
R16	–

Assignment of fuses and relays upstream of the battery (2003, 2004)

Number	Amperes [A]	Description
1	60 (MAX)	Secondary air injection pump (some models)
2	20	Fuel pump; Heated lambda probes (lambda probe).
3	10	Air conditioning compressor
4	30	Main Relay

		Relays:
		1 – Secondary air injection pump
		2 – Air conditioning compressor
		3 – Heated oxygen sensors (lambda probe)
		4 – Main relay, engine (ECM / EVAP / injectors)

Arrangement of fuses and relays upstream of the battery (2005)

Number	Amperes [A]	Description
1	–	–
2	20	Fuel pump; Heated lambda probes (lambda probe).
3	10	Air conditioning compressor
4	30	Main Relay

		Relays:
		1 –
		2 – Air conditioning compressor
		3 – Heated oxygen sensors (lambda probe)
		4 – Main relay, engine (ECM / EVAP / injectors)