2001 TOYOTA HIGHLANDER Service Repair Manual

Page 1569 of 2572

TOYOTA HIGHLANDER 2001  Service Repair Manual I39187
Gateway ECU
Center J/B
Instrument Panel J/B
Passenger Side J/B
Instrument Panel J/B I15
IGNITION SW
F7
FL Block
Engine Room J/B
Center J/BIG
ACC
BATT
GNDCG RAD No.2IG1
ACC
IG1 AM1AM1
ALT
D.C.C

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TOYOTA HIGHLANDER 2001  Service Repair Manual I40180
G5
CG
GNDIG
BATT
ACC
- DIAGNOSTICSNAVIGATION SYSTEM
05-1835
2025 Author: Date:
2005 HIGHLANDER REPAIR MANUAL   (RM1144U)
INSPECTION PROCEDURE
1 INSPECT GATEWAY ECU(BATT, ACC, IG, GND ,CG)
(a)

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TOYOTA HIGHLANDER 2001  Service Repair Manual I39189
Navigation ECU
Center J/B Instrument Panel J/B
Passenger Side J/B
Instrument Panel J/B I15
IGNITION SW
F7
FL Block
Engine Room J/B
Center J/BACC
+B
GND1
IB
Battery FL MAINALT
D.C.C
DOME ACC AM1

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TOYOTA HIGHLANDER 2001  Service Repair Manual I40178
N3
+B
ACC
GND1
- DIAGNOSTICSNAVIGATION SYSTEM
05-1831
2021 Author: Date:
2005 HIGHLANDER REPAIR MANUAL   (RM1144U)
INSPECTION PROCEDURE
1 INSPECT NAVIGATION ECU(+B, ACC, GND1)
(a) Disconnect

Page 1573 of 2572

TOYOTA HIGHLANDER 2001  Service Repair Manual I39199
Multi-display Controller Sub-assy Radio Receiver Assy
TX1+
TX1- TX+
TX-
R2930 R2931
GRLG
IP1 19IP19
L Y
R2310 R239
(*1) (*1)
(*1) (*1)
*1: w/ Rear Seat Entertainment System 05-1688
- DIAGNOSTIC

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TOYOTA HIGHLANDER 2001  Service Repair Manual I40222
TX1+ TX1-
R23
I34639
Multi-display  Controller Sub-assy:
R29
TX+TX-
I40203
Radio Receive Assy:
R23
TX1+
TX1-
- DIAGNOSTICSAUDIO SYSTEM
05-1689
1879 Author: Date:
2005 HIGHLANDER REPAIR MANUAL

Page 1575 of 2572

TOYOTA HIGHLANDER 2001  Service Repair Manual 05-1854
- DIAGNOSTICSNAVIGATION SYSTEM
2044 Author: Date:
2005 HIGHLANDER REPAIR MANUAL   (RM1144U)
DIMMER SIGNAL CIRCUIT
CIRCUIT DESCRIPTION
When the light control switch is in the TAIL or HEAD pos

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TOYOTA HIGHLANDER 2001  Service Repair Manual I40219
Multi-display Assy Center J/B C11
Combination Meter
Taillight System
F7
FL BlockILL-
ILL+ 3F5
3F9
3F13 3F3
3D3
3E 10
3A12
3I4
1 6
37
11
1222B
G
ORV
W
1A
1J 1K2A 2I4D 4HPassenger Side J/B
Engine