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Instrument Panel Junction Block

The instrument panel juction block is located under the left side of the instrument panel. See Figure.

Fig 1: Identifying Fuses And Components (Instrument Junction Block)
G00488183Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTRUMENT JUNCTION BLOCK RELAY IDENTIFICATION

RELAY DESCRIPTION
Integration Relay
INSTRUMENT JUNCTION BLOCK FUSE IDENTIFICATION LEGEND

Fuses System
7.5A OBD Engine Control (1ZZ-FE 2WD)
Engine Control (1ZZ-FE 4WD)
Engine Control (2ZZ-GE)
10A A/C Air Conditioning
10A ECU-B Engine Immobilizer System
Front Fog Light
Headlight
Seat Belt Warning
SRS
TVIP System
VSC and Tire Pressure Warning System (w/ VSC)
10A ECU-IG ABS and Tire Pressure Warning System (w/o VSC)
Cruise Control (2ZZ-GE, 1ZZ-FE 4WD)
Radiator Fan
Shift Lock
TVIP System
VSC and Tire Pressure Warning System (w/ VSC)
10A GAUGE ABS and Tire Pressure Warning System (w/o VSC)
Air Conditioning
Automatic Glare-Resistant EC Mirror with Compass
Back-Up Light
Charging
Clock
Combination Meter
Cruise Control (1ZZ-FE 2WD)
Cruise Control (2ZZ-GE, 1ZZ-FE 4WD)
Door Lock Control
Electronically Controlled Transmission
Engine Control (1ZZ-FE 2WD)
Engine Control (1ZZ-FE 4WD)
Engine Control (2ZZ-GE)
Front Fog Light
Headlight
Heater
Interior Light
Key Reminder and Light Reminder
Moon Roof
Navigation System and Audio System (w/ Navigation System)
Power Outlet (115V)
Power Window
Rear Window Defogger
Rear Wiper and Washer
Seat Belt Warning
SRS
Taillight and Illumination
Turn Signal and Hazard Warning Light
VSC and Tire Pressure Warning System (w/ VSC)
Wireless Door Lock Control
10A M-HTR/DEF I-UP Engine Control (1ZZ-FE 2WD)
Engine Control (1ZZ-FE 4WD)
Engine Control (2ZZ-GE)
15A AM2 ABS and Tire Pressure Warning System (w/o VSC)
Charging
Combination Meter
Cruise Control (1ZZ-FE 2WD)
Cruise Control (2ZZ-GE, 1ZZ-FE 4WD)
Electronically Controlled Transmission
Engine Control (1ZZ-FE 2WD)
Engine Control (1ZZ-FE 4WD)
Engine Control (2ZZ-GE)
Engine Immobilizer System
Ignition
SRS
Starting
TVIP System
VSC and Tire Pressure Warning System (w/ VSC)
15A CIG Audio System (Built-In Type Amplifier w/o Navigation System)
Audio System (Separate Type Amplifier)
Cigarette Lighter
Clock
Navigation System and Audio System (w/ Navigation System)
Power Outlet (12V)
Remote Control Mirror
15A INV Power Outlet (115V)
15A P/POINT Power Outlet (12V)
15A RR/WIPER Rear Window Defogger
Rear Wiper and Washer
15A STOP ABS and Tire Pressure Warning System (w/o VSC)
Cruise Control (1ZZ-FE 2WD)
Cruise Control (2ZZ-GE, 1ZZ-FE 4WD)
Electronically Controlled Transmission
Engine Control (1ZZ-FE 2WD)
Engine Control (1ZZ-FE 4WD)
Engine Control (2ZZ-GE)
Shift Lock
Stop Light
VSC and Tire Pressure Warning System (w/ VSC)
15A TAIL Engine Control (1ZZ-FE 2WD)
Engine Control (1ZZ-FE 4WD)
Engine Control (2ZZ-GE)
Headlight
Key Reminder and Light Reminder
Taillight and Illumination
15A WASHER Front Wiper and Washer
Rear Wiper and Washer
25A DOOR Door Lock Control
Interior Light
Wireless Door Lock Control
25A WIPER Front Wiper and Washer
30A DEFOG Rear Window Defogger
30A POWER Moon Roof
Power Window
40A HEATER Air Conditioning
Heater
Fig 2: Identifying Relays (Instrument Junction Block)
G00488184Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTRUMENT JUNCTION BLOCK RELAY IDENTIFICATION

RELAY DESCRIPTION
C/OPN Relay
ST Relay
DEF Relay
P/W Relay
IG1 Relay