Infiniti QX4 2003 - 2003 ELECTRICAL Fuses & Circuit Breakers - QX4

Infiniti QX4 2003 - IDENTIFICATION

WARNING:

Vehicle is equipped with air bag supplemental restraint system. Before attempting ANY repairs involving steering column, instrument panel or related components, see AIR BAG SAFETY PRECAUTIONS and DISABLING & ACTIVATING AIR BAG SYSTEM in AIR BAG RESTRAINT SYSTEMS article in RESTRAINTS.

WARNING:

Always disconnect battery ground cable before servicing high-current fuses. It is recommended that high-current fuses be replaced by a qualified technician.

CAUTION:

When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.

Infiniti QX4 2003 - ENGINE COMPARTMENT JUNCTION & RELAY BLOCKS

NOTE:

For engine compartment relay box locations, see Fig. 1 .

Component Locations

• Relay box No. 1 is located at driver's side of engine compartment. For relay locations, see Fig. 2 . For circuit wiring diagram, see POWER DISTRIBUTION in SYSTEM WIRING DIAGRAMS article.
• Relay box No. 2 is located at passenger's side of engine compartment. For relay locations, see Fig. 3 . For circuit wiring diagram, see POWER DISTRIBUTION in SYSTEM WIRING DIAGRAMS article.
• Fuse and fusible link box is located at passenger's side of engine compartment near relay box No. 2. For component identification, see Fig. 4 -Fig. 6 . For circuit wiring diagram, see POWER DISTRIBUTION in SYSTEM WIRING DIAGRAMS article.

Fig. 1: Infiniti QX4 2003 - Component Locations - Locating Engine Compartment Relay Boxes

Fig. 2: Infiniti QX4 2003 - Component Locations - Locating Relay Box No. 1 Components

Fig. 3: Infiniti QX4 2003 - Component Locations - Locating Relay Box No. 2 Components

Fig. 4: Infiniti QX4 2003 - Component Locations - Identifying Circuit Protection Components (1 Of 6)

Fig. 5: Infiniti QX4 2003 - Component Locations - Identifying Circuit Protection Components (2 Of 6)

Fig. 6: Infiniti QX4 2003 - Component Locations - Identifying Circuit Protection Components (3 Of 6)

Fig. 7: Infiniti QX4 2003 - Component Locations - Identifying Circuit Protection Components (4 Of 6)

Fig. 8: Infiniti QX4 2003 - Component Locations - Identifying Circuit Protection Components (5 Of 6)

Fig. 9: Infiniti QX4 2003 - Component Locations - Identifying Circuit Protection Components (6 Of 6)

Infiniti QX4 2003 - INSTRUMENT PANEL JUNCTION & RELAY BLOCKS

NOTE:

For instrument panel and passenger area fuse block, control unit and relay locations, see Fig. 10 and Fig. 11 .

Component Locations

• Circuit breaker is located behind driver's side kick panel. See Fig. 12 . For component identification, see Fig. 5 .
• Fuse block is located behind driver's side kick panel. For component locations, see Fig. 12 . For component identification, see Fig. 4 and Fig. 6 -Fig. 9 . For circuit wiring diagram, see POWER DISTRIBUTION in SYSTEM WIRING DIAGRAMS article

Fig. 10: Infiniti QX4 2003 - Component Locations - Locating Instrument Panel Control Modules, Fuse Block & Relays

Fig. 11: Infiniti QX4 2003 - Component Locations - Locating Passenger Area Relays & Sensors

Fig. 12: Infiniti QX4 2003 - Component Locations - Locating Fuse Block Components