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Instrument Panel Junction Block

NOTE: The instrument panel junction block is also referred to as the driver side junction block.
Fig 1: Identifying Instrument Panel Junction Block Fuses And Relays
G00173692Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTRUMENT PANEL JUNCTION BLOCK RELAY IDENTIFICATION

RELAY NUMBER RELAY DESCRIPTION
A Fog Relay
B RR DEF Relay
C Tail Relay
D IG1 Relay
E ACC Relay
F - Relay
INSTRUMENT PANEL JUNCTION BLOCK FUSE IDENTIFICATION LEGEND

Fuse System
5A AM1 Electronically Controlled Transmission and A/T Indicator
Engine Control
Starting and Ignition
5A ECU-ACC Automatic Light Control
Cellular Mobile Telephone
Clock
Interior Light
Key Reminder
Light Auto Turn Off
Multiplex Communication System
Remote Control Mirror (w/ Driving Position Memory)
Remote Control Mirror (w/o Driving Position Memory)
Theft Deterrent and Door Lock Control
5A FUEL OPEN Fuel Lid Opener
7.5A DOME Clock
Garage Door Opener
Interior Light
Luggage Compartment Door Opener
Moon Roof
Multiplex Communication System
Power Window
Theft Deterrent and Door Lock Control
Wireless Door Lock
7.5A OBD Engine Control
10A ECU-B Air Conditioning
Automatic Light Control
Combination Meter
Headlight (w/ Daytime Running Light)
Headlight (w/o Daytime Running Light)
10A ECU-B Illumination
Interior Light
Key Reminder
LEXUS Navigation System, Radio and Player (Except MARK LEVINSON w/ LEXUS Navigation System)
LEXUS Navigation System, Radio and Player (MARK LEVINSON w/ LEXUS Navigation System)
Light Auto Turn Off
Luggage Compartment Door Opener
Moon Roof
Multiplex Communication System
Power Seat (Driver's Seat w/ Driving Position Memory)
Power Window
Remote Control Mirror (w/ Driving Position Memory)
Theft Deterrent and Door Lock Control
VSC
Wireless Door Lock
10A ECU-IG ABS
Automatic Light Control
Cellular Mobile Telephone
Headlight (w/ Daytime Running Light)
Headlight (w/o Daytime Running Light)
Interior Light
Key Reminder
Light Auto Turn Off
Moon Roof
Multiplex Communication System
Power Seat (Driver's Seat w/ Driving Position Memory)
Power Window
Remote Control Mirror (w/ Driving Position Memory)
Seat Belt Warning
SRS
Theft Deterrent and Door Lock Control
VSC Wireless Door Lock
10A FAN RLY Electronic Modulated Suspension
Radiator Fan and Condenser Fan
10A GAUGE1 ABS
Air Conditioning
Charging
Combination Meter
Cruise Control
Electronic Modulated Suspension
Electronically Controlled Transmission and A/T Indicator
Engine Control
10A GAUGE1 Illumination
Interior Light
Key Reminder
LEXUS Navigation System, Radio and Player (Except MARK LEVINSON w/ LEXUS Navigation System)
LEXUS Navigation System, Radio and Player (MARK LEVINSON w/ LEXUS Navigation System)
Multiplex Communication System
Seat Belt Warning
Shift Lock
SRS
Taillight and Stop Light
Turn Signal and Hazard Warning Light
VSC
10A GAUGE2 ABS
Automatic Glare-Resistant EC Mirror and Compass
Back-Up Light
Cruise Control
Electronically Controlled Transmission and A/T Indicator
Headlight Beam Level Control
Moon Roof
Multiplex Communication System
Power Seat (Driver's Seat w/ Driving Position Memory)
Rear Sunshade
Rear Window Defogger and Mirror Heater
Remote Control Mirror (w/ Driving Position Memory)
Tension Reducer
VSC
10A HTR Air Conditioning
Seat Belt Warning
SRS
10A MIR HTR Engine Control
Rear Window Defogger and Mirror Heater
10A PANEL Clock
Combination Meter
Illumination
Taillight and Stop Light
10A RAD NO.2 LEXUS Navigation System, Radio and Player I (Except MARK LEVINSON w/ LEXUS Navigation System)
LEXUS Navigation System, Radio and Player (MARK LEVINSON w/ LEXUS Navigation System)
Radio and Player (MARK LEVINSON w/o LEXUS Navigation System)
Radio and Player (1 CD Type Except MARK LEVINSON w/o LEXUS Navigation System)
10A RAD NO.2 Radio and Player (6CD Type Except MARK LEVINSON w/o LEXUS Navigation System)
10A TAIL I Engine Control
Taillight and Stop Light
15A CIG Cigarette Lighter and Power Outlet
15A [FOG Fog Light
15A POWER POINT Cigarette Lighter and Power Outlet
15A STOP ABS
Cruise Control
Electronic Modulated Suspension
Electronically Controlled Transmission and A/T Indicator
Engine Control
Shift Lock
Taillight and Stop Light
VSC
15A SUN-SHADE Rear Sunshade
15A WASHER Wiper and Washer (w/ Auto Wiper System)
Wiper and Washer (w/o Auto Wiper System)
20A PWR NO.2 Multiplex Communication System
Power Window
Theft Deterrent and Door Lock Control
Wireless Door Lock
20A PWR NO.3 Multiplex Communication System
Power Window
20A PWR NO.4 Multiplex Communication System
Power Window
20 A RAD NO.1 LEXUS Navigation System, Radio and Player (Except MARK LEVINSON w/ LEXUS Navigation System)
LEXUS Navigation System, Radio and Player (MARK LEVINSON w/ LEXUS Navigation System)
Radio and Player (MARK LEVINSON w/o LEXUS Navigation System)
Radio and Player (1 CD Type Except MARK LEVINSON w/o LEXUS Navigation System)
Radio and Player (6CD Type Except MARK LEVINSON w/o LEXUS Navigation System)
20A SEAT HTR Seat Heater
25A AMP LEXUS Navigation System, Radio and Player (MARK LEVINSON w/ LEXUS Navigation System)
Radio and Player (MARK LEVINSON w/o LEXUS Navigation System)
25A DOOR NO.2 Luggage Compartment Door Opener
Multiplex Communication System
Power Window
25A DOOR NO.2 Theft Deterrent and Door Lock Control
Wireless Door Lock
25A WIPER Wiper and Washer (w/ Auto Wiper System)
Wiper and Washer (w/o Auto Wiper System)
30A PWR NO.1 Moon Roof
Multiplex Communication System
Power Window
Theft Deterrent and Door Lock Control
Wireless Door Lock
30A PWR SEAT Power Seat (Driver's Seat w/ Driving Position Memory)
Power Seat (Driver's Seat w/o Driving Position Memory)
Power Seat (Front Passenger's Seat)
Remote Control Mirror (w/ Driving Position Memory)
40A DEF Rear Window Defogger and Mirror Heater