2001 TOYOTA HIGHLANDER navigation system

2005 HIGHLANDER (EWD592U)
209
25A
DOOR
LOCK From Power Source System (
See Page 62)
2A 27. 5A
RAD
NO. 2
1J 6 10
IK2 83A 8 3A 10
3C 6 3B 5
61H
BECU 9D1K
R- B
W B
B BRG
A 5
IGA 17
ACC D 4
BDR1 42A
1D 3
IB2 2IB2 3
IB1 3IL1 8
IF3 5
IB2 1
4F 7A 10MPX2
IB2 8
920 107
W- L
R- L L- W
GR VBR
WY V
Y SB
O
CPUB SIG BDRMPX2 MPX1
IB1 2
4L 8
4L 10 1D 144M 6 1E 4
IA
W- B
W- B W- B
W- BIB1 5IB14 B BIA2 13 D 1ACT+
D 2ACTD
56
D12 414 316
4321
G
Y
LG
BR
W
RL
BRL
L
BB
2
LG
L
IN12
W- B W- B GND KL KUL LSWE LSW
BR
IC3 5
1G 10
W- L BR
7. 5A
IG1
1D 1
P 5 20A
P FR
DOOR
1K 6
4A 5 IL2 1
A 21B 9
SB
B 2A 9
G
R
GIL2 12 6B MPX+
G
GR
MPX- MPX-
MPX+
UL E LSSR L UL
M 7. 5A
ECU- B
1D 9
P
V
PB B
* 1 : w/ Navigation System
* 2 : w/o Navigation System
E E
P
B 1B2 A 1A2
BR
3J 123E 1
3H 5
Y
MPD1 MPD2
G 5
11 4
V
V
(
*1)
(
*2) G
(
*1)W
MPX1
E 618 29
MPX2
MPX1
W
8
W- B
GR
B 9(
A)
, B10(
B)
, B11(
C)
, B12(
D)
C11(
A)
, C12(
B)
A10(
A)
, A11(
B)
A/C Control AssemblyBody ECUCombination Meter
Door Key Lock and Unlock SW Front LH
Door Lock Motor Front LH
Door Unlock Detection SW Front LH
Engine Control Module
Gateway ECU
Power Window Master SW
with ECU
Junction
Connector J17
Junction
Connector J 5
MPX1 MPX2
Airbag Sensor
Assembly A17Short
Connector S30(
A)
, S31(
B)22 24
BR BR

2005 HIGHLANDER (EWD592U)
226
Key Reminder and Seat Belt Warning
B 2
D D
1 2
4G 9
4L 74N1
IC
W- B G G
C 11
BB
W- B
W- B
7. 5A
RAD
NO. 2
1J 6
3A 8
3C 6
A 17
BW
7. 5A
IG1
1K 10
3A 10
3B 5
A 5
BR GR
7. 5A
ECU- B
2A 4
W- L
IC3 51G10
1H 6
D 9
G
ACC IG BECU
DCTY KSW
BR
1
D 7
K 4J 6
B 6
IB2 1
8MPX1
4F 7
4A 5
SB GR
P 5
W
MPX2
YO
IF3 5A 10MPX2
MPX2 MPX1 * 1 : w/ Navigation System
* 2 : w/o Navigation System
BR BR
BR R
W
IB2 8
7
V
MPX1
SB
B 22 B24
FSR- FSR+C
W
B
1C2
A 19 A2(
*3)
A 11 A6(
*4) LBE+ LBE-
3 1
G
R
B19 * 3 : w/ Curtain Shield Airbag
* 4 : w/o Curtain Shield Air bag
R
B W
IA1 9A 2A1 B 2B1
C 3C10(
*3)
(
*4) 1K 1LG
LG
From Power Source System (
See Page 62)
B 9(
A)
, B10(
B)
, B11(
C)
, B12(
D)
S30(
A)
, S31(
B) A16(
A)
, A17(
B)
, A18(
C)
Airbag Sensor
Assembly
Body ECU
Buckle SW LH
Door Courtesy SW
Front LH
Junction
Connector Unlock Warning SW
Power Window Master SW
with ECU
Short
Connector

2005 HIGHLANDER (EWD592U)
258
Multiplex Communication System - BEAN Bus
MPX1 MPX1
MPX1 IF3 5
IB2 1A 10B 6
MPX2 S20
8 7 10
MPX2
P 5
4F 7
Y GR Y O
GR
4O 4
34A 5IL2 12MPX-
B 2A 9
MPX+ MPX+
A 21B 9
MPX-
GG W
SB
MPX2
MPX1IL21
I 8
GR GR
GR Y
O 3* 2 : w/o Theft Deterr ent System * 1 : w/ Theft Deterrent System
* 3 : w/ Navigation System
* 4 : w/o Navigation System
3E 1
3J 12
Y
3H 5
MPX1 31
V
T 4
IB2 8
VSB(
*2)
MPD2
MPD1
G 5
11
4 V
G (
*3)
(
*3)
(
*4)B 1B2
A 1A2
MPX1 24
MPX2 22
BR BR
R
A17BR
R
BR
(
*1)
IE1 618 29
E 6
C11(
A)
, C12(
B) A10(
A)
, A11(
B) S30(
A)
, S31(
B) B 9(
A)
, B10(
B)
A/C Control Assembly
Airbag Sensor
Assembly
Body ECU
Combination Meter
Engine Control
Module
Gat ew ay ECU
Option Connector 1
Power Window Master SW
with ECU
Sliding Roof
Control ECU
Short Connector
Theft Deterr ent ECU

2005 HIGHLANDER (EWD592U)
259
The multiplex communication system communicates among the A/C control assembly, body ECU, combination meter,
engine control module, option connector 1, power window master SW with ECU, sliding roof control ECU and theft deterrent
ECU and controls the following systems according to the signals from respective sensors or switches.
Multiplex Communication System Includes Following Systems
* Air Conditioning (Automatic A/C)
* Air Conditioning (Manual A/C)
* Automatic Light Control
* Combination Meter
* Door Lock Control
* Electronically Controlled Transmission and A/T Indicator (3MZ-FE)
* Electronically Controlled Transmission and A/T Indicator (2AZ-FE)
* Engine Control (3MZ-FE)
* Engine Control (2AZ-FE)
* Headlight
* Interior Light
* Key Reminder
* Light Auto Turn Off System
* Moon Roof
* Navigation System
* Power Window
* Seat Belt Warning
* Theft Deterrent System
* Wireless Door Lock Control
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
A10A42C11A42P544
A11B42C12B42S2045
A1742E642S30A43
B9A42G543S31B43
B10B42O343T443
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
3E30
3H31Instrument Panel Wire and Center J/B (Behind the Instrument Panel Center)
3J31()
4A334F33Cowl Wire and Passenger Side J/B (Right Side of Grove Box)
4O32
g(g )
System Outline

2005 HIGHLANDER (EWD592U)
266
Navigation System
7. 5A IG1
1K 10
3D 13A 8
IB
LG SB WGR B W- B
W- B
BR
L W- B
14 7 5 12298
GND CG GTX+ GTX-IG ACC BATT
B 12 B11
7. 5A
RAD NO. 2
10A
ECU- IG
1K 31K9
A 12 A11 A103G 73A 1
+B1 ACC I G
TX3+ TX3 -
A 16 A7
4H 12
4M 9
1
OR LG
OBR
W GR
TC PKB G 5
D 3
V
13
TC
7. 5A
CRT
2
V
IK2 16
V
2
VVV
11 4D64H2A
10A DOME
3I 13A 10 IL211
83F 93FA A
6IL1
J17
3I 7
W
3E 33A 13 10 3I
GR
1J 6 IK3 123
3F 133G 653G
LV
BR
Y
P
IF3 4IF33
D D
O B P 3
J1 6LG
V G
V
411 MPD1 MPD2
V
G HAZA 8
R O
8
W
HAZ
T 83E 4
3B 9
IL2 20 Fr om Power Source System (
See Page 62)
M 3(
A)
, M 4(
B)
, M 5(
C)
Data Link
Connector 3 Gateway ECU
Ju nctio n
ConnectorJunction
Connector
Multi- Display
Parking Brake SW
Turn Signal
Flasher 1G 2
IM1 10
R2
1
A/T Indicator SW P 1R R
IM1 20
R- B L
L

2005 HIGHLANDER (EWD592U)
267
B 28 B27 B23 B26 B25 B24 A5A4 A 9 A 18 B6B8B1B3B7B2B10 B5 +B ACC VG SYNC VR B G R TX1- TX1+
VG SYNC VR B G R TX1- TX1+
A 3
IB B 13 B14 A25
(
*3)
Y
B
G
R
W
GR
W
SB BRWR
GB Y (
*3)
BR
SB Y BR
W- B W- B
GND1 TX+ TX- SPD
TX3 - TX3+
W
R29
W GR
W
A 21
LG
PBEWA 17 A5 A 2A11
10 IF3 IF320
4 3
2 1
F10
W- B
O G
B P
V R
W
AUO- AUO+ SPD GND
12
IP1 1IP111
O LG
17 183I 6
3F 133I 2IB1 7IB16
T11
O
W- B
* 1 : w/ Rear Entertainment System
* 2 : w/o Rear Entertainment System
GP
1J 3
1D 11
GR
910
O LG
TX- TX+
R22
(
*1)
(
*1) (
*2)
(
*2)
(
*1) (
*1)
V
G
V
GGR C 1
21
G
NTSC
NTS1
G
12 IP1
(
*1) (
*1)
C 4
20
R
SGD1
SGN1
R
2IP1
(
*1) (
*1)
C 5
19
(
*3)
SGND
SG3
(
*3)
13 IP1
(
*1) (
*1)
M 3(
A)
, M 4(
B)
, M 5(
C)N 3(
A)
, N 4(
B)
Front Door
Speaker LH Multi- DisplayNavigation ECU
Radio and Player Rear Seat Entertainment ECU
Tweeter LH
* 3 : Shielded
LGRGY
11 IF3
13 4K
64A 13C 13 3KRL
A 14
L

2005 HIGHLANDER (EWD592U)
268
Navigation System
WO
WO
63F 12 3K
S27
SP1 12
BR- R BR GR
15 IC4 18 IF3
3J 9
W
6B
IB A
5V
Speedometer
B 13 1
B 6
R
11 A
3B 12
3K 2
PB
73C 43A 13 1K 10A
HEATER
BR
V
GGR
G GR
V A
7V 2
LG
11K 10 1G IC3 57. 5A
ECU- B
2A 4BR W- L
BR
From Power Source System (
See Page 62)
N 3(
A)
, N 4(
B)
C11(
A)
, C12(
B)
Combination Meter Navigation ECU
Skid Control ECU
with Actuator
A 1A10 AUI+ AUI-
9 2
LG
R
FL+ FL-
S23IR1 10 IR120
Y
R- Y
Stereo Power
Amplifier

2005 HIGHLANDER (EWD592U)
270
Navigation System
M3 (A) Multi-Display
(A)12-Ground : Always approx. 12 volts
(A) 11-Ground : Approx. 12 volts with ignition SW at ON or ST position
(A)10-Ground : Approx. 12 volts with ignition SW at ON or ACC position
(A) 3-Ground : Always continuity
N3 (A) Navigation ECU
(A)18-Ground : Approx. 12 volts with ignition SW at ON or ACC position
(A) 9-Ground : Always approx. 12 volts
(A)17-Ground : Always continuity
G5 Gateway ECU
2-Ground : Approx. 12 volts with ignition SW at ON or ST position
9-Ground : Approx. 12 volts with ignition SW at ON or ACC position
8-Ground : Always approx. 12 volts
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
A10A42J1643R2243
A11B42J1743R2945
A1742M3A43S2345
B9A42M4B43S2739 (3MZ-FE)
B10B42M5C43S2741 (2AZ-FE)
C11A42N3A43S30A43
C12B42N4B43S31B43
D342P139 (3MZ-FE)T843
E642P141 (2AZ-FE)T1145
F1044P343
G543P544
: RELAY BLOCKS
CodeSee PageRelay Blocks (Relay Block Location)
222Engine Room R/B (Engine Compartment Left)
Service Hints