Page 105 of 1943
2001 PRIUS (EWD414U)
MEMO
Page 106 of 1943
2001 PRIUS (EWD414U)
INTERIOR LIGHT
15A
DOME FROM POWER SOURCE SYSTEM (
SEE PAGE 50)
1J 7
2G 2
2N 3
B DBD A EAE 2A4
2 1
BI1 2
B E
A D
112
OFF
ON DOOR
2N 12L62K32K1
11A 12
11B F
A D
IB1 3ID2 13
ID A 16 A 15
BA 13 11
3 6 74
14
BAGR ±B GR ±BL±Y
MPX2 MPD2
PCTY L±Y
L±Y
GR±B GR±L GR GR±B
R±W R±W R±WR±W R±W R±WR R±GR±B R±BL±Y
L±Y L±Y
R±W R±WW±B W± BL±Y L±Y
MPD1
MPX1
MPX+ MPX±BODY ECUB 8 A JUNCTION
CONNECTORB J30 , J31AGATEWAY
ECU G 1
ENGINE CONTROL
MODULE E10
JUNCTION
CONNECTOR J33
PERSONAL LIGHT P 5
INTERIOR LIGHT I16LUGGAGE
COMPARTMENT
LIGHT L 5
DOOR COURTESY SW
REAR LH D 8
DOOR COURTESY SW
REAR RH D 9
DOOR COURTESY SW
FRONT LH D 6
DOOR COURTESY SW
FRONT RH D 7
JUNCTION
CONNECTOR J16LUGGAGE
COMPARTMENT
LIGHT SW L 6
JUNCTION CONNECTORB J12 A , J13 JUNCTION CONNECTORB J30 A , J31
A DA 14
IF1 4
R±W
R±W R±W
LCTY
A
JUNCTION
CONNECTOR J11 9B
R±G
7. 5A
ECU±B
2C 5
F F
R±G
JUNCTION
CONNECTOR J27
FROM POWER SOURCE
SYSTEM (
SEE PAGE 50)
B , B 9
B 1
W±B
E DCTY RCTY LPB
2K 82D 8
W±B
Page 107 of 1943
2001 PRIUS (EWD414U)
B 3B2A21
A 14
2B 62A 7 114 GR±B GR±BL±Y
MPX+
GR GR±B
GR±B
L±Y L BR
MP2+
A/C
AMPLIFIER A 7
COMBINATION METERB C10 , C11A
DOOR
IH
Page 108 of 1943

2001 PRIUS (EWD414U)
INTERIOR LIGHT
B8 (A), B9 (B) BODY ECU
3±GROUND : Continuity with front LH door open
6±GROUND : Continuity with rear LH, RH door open
(A)14±GROUND : Continuity with front RH door open
(B) 9±GROUND : Always approx. 12 volts
L6 LUGGAGE COMPARTMENT LIGHT SW
1±GROUND : Closed with the luggage compartment door open
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
A736D938J2737
B8A36E1036J30A38
B9B36G137J31B38
C10A36I1638J3338
C11B36J1137L538
D638J12A37L638
D738J13B37P539
D838J1637
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
1J27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
2A
2B30Instrument Panel Wire and Instrument Panel J/B (Cowl Side Panel LH)2C30Instrument Panel Wire and Instrument Panel J/B (Cowl Side Panel LH)
2D
2G31Engine Room Main Wire and Instrument Panel J/B (Cowl Side Panel LH)
2K31Cowl Wire and Instrument Panel J/B (Cowl Side Panel LH)
2L31Floor Wire and Instrument Panel J/B (Cowl Side Panel LH)2N31Floor Wire and Instrument Panel J/B (Cowl Side Panel LH)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CodeSee PageJoining Wire Harness and Wire Harness (Connector Location)
IB142Floor Wire and Cowl Wire (Cowl Side Panel LH)
ID242Instrument Panel Wire and Cowl Wire (Left Kick Panel)
IF142Instrument Panel Wire and Floor Wire (Left Kick Panel)
: GROUND POINTS
CodeSee PageGround Points Location
ID42Cowl Side Panel LH
IH42Right Kick Panel
BI46Left Side of Rear Pillar
SERVICE HINTS
Page 109 of 1943
2001 PRIUS (EWD414U)
MEMO
Page 110 of 1943
2001 PRIUS (EWD414U)
MULTIPLEX COMMUNICATION SYSTEM (COMMUNICATION BUS)
MPX1 MPX2
ENGINE
CONTROL
MODULE E10
MPD1 MPD2
GATEWAY
ECU G 1
MP2+ MPX+
A/C AMPLIFIER A 7 MPX± MPX+
COMBINATION
METER C11 MPX+ MPX±
BODY ECU B 8
GR GR±B
GR
GR±B 4 1415
3
4 11 1316
2
11
GR±L
Page 111 of 1943
2001 PRIUS (EWD414U)
MEMO
Page 112 of 1943
2001 PRIUS (EWD414U)
KEY REMINDER AND LIGHT REMINDER BUZZER
120A MAIN
1B 1C1
D 11B 1130A
HEAD
1 2
32 41
1F 823 15
7. 5A
TAI L10A
GAUGE FROM POWER SOURCE SYSTEM (
SEE PAGE 50)
2K 62H 1
B 2B11ID2 2 IA2 6
ID2 3
B 17 B18
IG ID2 5ID262K 1
B F
A D
IB1 3
1 16 7
E6
E
13 14
A17 15
T HR±W R±WW
B W B±G
LG LGR±G R±G R±G R±G R±W R
LG±R R
LG±R W±B
R±W R±W R±W
2
(
*1) (
*1) (
*1)
R±W
(
*2)
(
*2)
(
*2) (
*1)H
HRLY TRLYH±LP
TAI L REL AY HEAD RELAYSHORT PIN
JUNCTION
CONNECTOR J20DAYTIME RUNNING
LIGHT RELAY D 3
OFF
TAIL
HEAD
100A DC/DC
FUSIBLE LINK
BLOCK NO. 2 F1 8
FUSIBLE LINK
BLOCK NO. 1C F11 B , F1 2
JUNCTION
CONNECTORB J12 A , J13
DOOR COURTESY
SW FRONT LH D 6
JUNCTION
CONNECTOR J17LIGHT CONTROL SW
[COMB. SW] C13
D , F13
BATTERY3 (
*1)
(
*2)
(
*2)
(
*1)
BODY ECUB B 8 , B 9AL 7. 5A
ECU±B
2C 5 2A 5
R±G
B 9F F
R±G
JUNCTION
CONNECTOR J2 7
DCTYTAIL IG B