Contents Wiring diagrams Section: Fuses & Circuit Breakers All sections

Fuses & Circuit Breakers (Except Hybrid): Other Toyota Highlander II

Fuses & Circuit Breakers 7 illustrations

ENGINE ROOM RELAY/JUNCTION BLOCK

The engine room relay block is located on the left side of the engine compartment. (Scheme 1)

Scheme 1

Scheme 1: ENGINE ROOM RELAY/JUNCTION BLOCK

Scheme 2

Scheme 2
FusesSystem
7.5AALT-SCharging
7.5AAM2Automatic Light Control Back Door Opener (w/o Power Back Door) Door Lock Control Electronically Controlled Transmission and A/T Indicator Engine Control Glass Hatch Opener Light Auto Turn Off System Power Back Door Power Window Seat Belt Warning Sliding Roof Smart Key System
7.5AS-HORNSmart Key System Theft Deterrent Wireless Door Lock Control (w/o Smart Key System)
10ACRTAudio System (Except JBL) Audio System (JBL) Navigation System
10ADEF RLYRear Window Defogger
10ADOMEABS Air Conditioning Audio System (Except JBL) Audio System (JBL) Back Door Opener (w/o Power Back Door) Charging Combination Meter Cooling Fan Cruise Control Door Lock Control Downhill Assist Control Electronically Controlled Transmission and A/T Indicator Engine Control EPS Front Fog Light Glass Hatch Opener Garage Door Opener Headlight Hill-Start Assist Control Illumination Interior Light Key Reminder (w/o Smart Key System) Multi Display Navigation System Parking Assist (Rear View Monitor) Power Back Door Seat Belt Warning Sliding Roof Smart Key System SRS Taillight Theft Deterrent Tire Pressure Warning System TRAC VSC Wireless Door Lock Control (w/o Smart Key System)
10AECU-BABS Air Conditioning Audio System (Except JBL) Audio System (JBL) Automatic Light Control Back Door Opener (w/o Power Back Door) Charging Clock (w/o Multi Display) Combination Meter Cooling Fan Cruise Control Door Lock Control Downhill Assist Control Electronically Controlled Transmission and A/T Indicator Engine Control Engine Immobiliser System (w/o Smart Key System) EPS Front Fog Light Glass Hatch Opener Headlight Hill-Start Assist Control Illumination Interior Light Key Reminder (w/o Smart Key System) Light Auto Turn Off System Multi Display Navigation System Parking Assist (Rear View Monitor) Power Back Door Power Window Seat Belt Warning Sliding Roof Smart Key System SRS Taillight Theft Deterrent Tire Pressure Warning System TRAC VSC Wireless Door Lock Control (w/o Smart Key System)
10AEFI NO.1Cruise Control Electronically Controlled Transmission and A/T Indicator Engine Control Smart Key System
10AEFI NO.2Engine Control Electronically Controlled Transmission and A/T Indicator Cruise Control
10AEFI NO.3Engine Control Electronically Controlled Transmission and A/T Indicator
10AETCSCruise Control Engine Control Electronically Controlled Transmission and A/T Indicator
10AG/HBack Door Opener (w/o Power Back Door) Door Lock Control Glass Hatch Opener Interior Light Mirror Heater Smart Key System Wireless Door Lock Control (w/o Smart Key System)
10AHORNHorn Smart Key System Theft Deterrent Wireless Door Lock Control (w/o Smart Key System)
10AINJ NO.2Combination Meter Engine Control Multi Display Parking Assist (Rear View Monitor)
15AAMPAudio System (JBL) Navigation System
15AHAZTurn Signal and Hazard Warning Light Trailer Towing
15AH-LP LHHeadlight
15AH-LP LLHeadlight
15AH-LP RHHeadlight
15AH-LP RLHeadlight
15AINJ NO.1Ignition
15ARADIO1Audio System (Except JBL) Audio System (JBL) Navigation System
20AA/FEngine Control
20AMIR HTRMirror Heater
20AP/OUTPower Outlet (115V)
20ASTR LOCKSmart Key System
25ADOOR1Automatic Light Control Back Door Opener (w/o Power Back Door) Door Lock Control Electronically Controlled Transmission and A/T Indicator Engine Control Front Fog Light Glass Hatch Opener Headlight Illumination Interior Light Key Reminder (w/o Smart Key System) Light Auto Turn Off System Multi Display Parking Assist (Rear View Monitor) Power Back Door Power Window Seat Belt Warning Sliding Roof Smart Key System Taillight Theft Deterrent Wireless Door Lock Control (w/o Smart Key System)
25AEFI MAINCooling Fan Cruise Control Electronically Controlled Transmission and A/T Indicator Engine Control
25AIG2Electronically Controlled Transmission and A/T Indicator Engine Control Smart Key System
30APBDPower Back Door
30APTC NO.2Air Conditioning
30APTC NO.3Air Conditioning
30ARR DEFRear Window Defogger
30ASTElectronically Controlled Transmission and A/T Indicator Engine Control Smart Key System Starting (w/o Smart Key System)
30ATOWINGTrailer Towing
30AVSC NO.2ABS Downhill Assist Control Hill-Start Assist Control TRAC VSC
40ARR CLRAir Conditioning
50AFAN MAINCooling Fan
50AHTRAir Conditioning
50APTC NO.1Air Conditioning
50AVSC NO.1ABS Downhill Assist Control Hill-Start Assist Control TRAC VSC
80AEPSEPS
140AALTAutomatic Light Control Charging Front Fog Light Illumination Light Auto Turn Off System Power Window Starting (w/o Smart Key System) Taillight Theft Deterrent Theft Deterrent

Engine Room Relay/Junction Block Components

ENGINE ROOM RELAY BLOCK NO. 2

The engine room relay block No. 3 is located on the right side of the engine compartment. (Scheme 1)

Scheme 3

Scheme 3: ENGINE ROOM RELAY BLOCK NO. 2

INSTRUMENT PANEL JUNCTION BLOCK

The instrument panel junction block is located under the left side of the instrument panel. (Scheme 4)

Scheme 4

Scheme 4: INSTRUMENT PANEL JUNCTION BLOCK

Scheme 5

Scheme 5

Scheme 6

Scheme 6

Scheme 7

Scheme 7
FusesSystem
7.5AAM1Starting (w/o Smart Key System) Engine Control Electronically Controlled Transmission and A/T Indicator
7.5AECU IG NO.2ABS Downhill Assist Control Hill-Start Assist Control Smart Key System Stop Light TRAC Trailer Towing VSC
7.5AECU-ACCAutomatic Light Control Back Door Opener (w/o Power Back Door) Door Lock Control Electronically Controlled Transmission and A/T Indicator Engine Control Front Fog Light Glass Hatch Opener Headlight Illumination Interior Light Key Reminder (w/o Smart Key System) Light Auto Turn Off System Multi Display Parking Assist (Rear View Monitor) Power Back Door Power Window Remote Control Mirror Seat Belt Warning Shift Lock Sliding Roof Smart Key System Taillight Theft Deterrent Wireless Door Lock Control (w/o Smart Key System)
7.5AGAUGE NO.2ABS Air Conditioning Audio System (Except JBL) Audio System (JBL) Back Door Opener (w/o Power Back Door) Charging Combination Meter Cooling Fan Cruise Control Door Lock Control Downhill Assist Control Electronically Controlled Transmission and A/T Indicator Engine Control EPS Front Fog Light Glass Hatch Opener Headlight Hill-Start Assist Control Illumination Key Reminder (w/o Smart Key System) Multi Display Navigation System Parking Assist (Rear View Monitor) Power Back Door Seat Belt Warning Sliding Roof Smart Key System SRS Taillight Tire Pressure Warning System TRAC VSC Wireless Door Lock Control (w/o Smart Key System)
7.5AOBDData Link Connector 3
7.5APANELIllumination Taillight
7.5ARAD NO. 2Audio System (Except JBL) Audio System (JBL) Clock (w/o Multi Display) Illumination Navigation System Taillight
10AA/C NO.2Air Conditioning Cooling Fan
10AACC SOCK NO.1Power Outlet (12V)
10AECU IG NO.1Automatic Glare-Resistant EC Mirror Automatic Light Control Back Door Opener (w/o Power Back Door) Cruise Control Door Lock Control Electronically Controlled Transmission and A/T Indicator Engine Control EPS Front Fog Light Glass Hatch Opener Headlight Illumination Interior Light Key Reminder (w/o Smart Key System) Light Auto Turn Off System Multi Display Parking Assist (Rear View Monitor) Power Back Door Power Window Seat Belt Warning Seat Heater Shift Lock Sliding Roof Smart Key System Taillight Theft Deterrent Tire Pressure Warning System Wireless Door Lock Control (w/o Smart Key System)
10AGAUGE NO.1Air Conditioning Audio System (JBL) Back Door Opener (w/o Power Back Door) Back-Up Light Charging Cruise Control Door Lock Control Electronically Controlled Transmission and A/T Indicator Front Window Deicer Glass Hatch Opener Interior Light Mirror Heater Multi Display Navigation System Parking Assist (Rear View Monitor) Power Back Door Power Outlet (115V) Rear Window Defogger Seat Belt Warning Trailer Towing Turn Signal and Hazard Warning Light
10AIGNCruise Control Electronically Controlled Transmission and A/T Indicator Engine Control Engine Immobiliser System (w/o Smart Key System) Seat Belt Warning Smart Key System SRS
10ASTOPABS Cruise Control Downhill Assist Control Electronically Controlled Transmission and A/T Indicator Engine Control Hill-Start Assist Control Multi Display Parking Assist (Rear View Monitor) Shift Lock Smart Key System Stop Light TRAC Trailer Towing VSC
15AFR FOGFront Fog Light
15AMIR HTRMirror Heater
15ARR WIPRear Wiper and Washer
15ATAILFront Fog Light Illumination Taillight Trailer Towing
20AACC SOCK NO.2Power Outlet (12V)
20AS-HTRSeat Heater
20AWASHFront Wiper and Washer Rear Wiper and Washer
25ADOOR NO.2Power Window
25AFR DEFFront Window Deicer
25ARR DOOR LHPower Window
25ARR DOOR RHPower Window
30AFR WIPFront Wiper and Washer
30AP/SEATPower Seat (Driver's Seat) Power Seat (Front Passenger's Seat)
30APOWERPower Window
30AS/ROOFSliding Roof

Instrument Panel Junction Block Components