TOYOTA PRIUS 2001 Service Repair Manual

2001 PRIUS (EWD414U)
B 14 B15
IN1 1IN16
IQ1 2 65
3 L1 UL1
W±B
R±B G±B
W± BG± B
R±B
BODY ECUB B 8 , B 9A
UNLOCKLOCK
D10
DOOR LOCK CONTROL
SW FRONT RH

2001 PRIUS (EWD414U)
WIRELESS DOOR LOCK CONTROL
The current is always sent from DOOR fuse to TERMINAL B of body ECU. At the same time, the current is always sent from
DOME fuse to TERMINAL CPUB of power window master SW, and from ECU±B fuse to wireless door lock receiver. When
ignition SW is turned on, the current is sent from GAUGE fuse to TERMINAL IG of body ECU.
1. WIRELESS DOOR LOCK OR UNLOCK NORMAL OPERATION
*Lock operation
When the LOCK SW of the transmitter is pushed, all the doors are locked.
*Unlock operation
When the UNLOCK SW of the transmitter is pushed, all the doors are unlocked.
2. AUTOMATIC LOCK OPERATION
After all the doors are unlocked by pushing the UNLOCK SW of the transmitter, unless each of the doors is opened or the
ignition key is inserted, all the doors are locked again.
3. VISUAL CONFIRMATION OF LOCK OR UNLOCK FUNCTION
When doors are locked by using the transmitter, the taillight and parking lights blink once. When doors are unlocked by using
the transmitter, the taillights and parking lights blink twice. If UNLOCK SW of the transmitter is pushed while all the doors are
locked, doors are unlocked and the room lights are turned on simultaneously.
4. WIRELESS CONTROL STOP FUNCTION
If the following situations occur, wireless door lock function does not operate.
*When each of the doors opens. (Door courtesy SW is on)
*When ignition key is inserted to ignition SW. (Unlock warning SW is on)
*When ignition SW is on.
5. REPEAT FUNCTION
If the doors are not locked after the lock signal is out put from transmitter by pushing LOCK SW, the lock signal is sent again
to lock the doors.
6. PANIC MODE FUNCTION
When the panic SW of the transmitter is pushed, the horn comes on, and the headlight and taillight flashes.
B8 (A), B9 (B) BODY ECU
15±GROUND : Approx. 12 volts with the ignition SW at ON position
8±GROUND : Always approx. 12 volts
(B) 1±GROUND : Always continuity
W5 WIRELESS DOOR LOCK CONTROL RECEIVER
5±GROUND : Always approx. 12 volts
1±GROUND : Always continuity
U1 UNLOCK WARNING SW
2±1 : Closed with the ignition key in the cylinder
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
B8A36D1438J23B37
B9B36J1137J24A37
D436J12A37J25B37
D638J13B37J2737
D738J14A37J3338
D838J15B37L438
D938J1637P939
D1038J1737U137
D1138J18A37W537
D1238J19B37
D1338J22A37
SYSTEM OUTLINE
SERVICE HINTS

2001 PRIUS (EWD414U)
: 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)
2C30Instrument Panel Wire and Instrument Panel J/B (Cowl Side Panel LH)2D30Instrument Panel Wire and Instrument Panel J/B (Cowl Side Panel LH)
2G31Engine Room Main Wire and Instrument Panel J/B (Cowl Side Panel LH)
2I
2J31Cowl Wire and Instrument Panel J/B (Cowl Side Panel LH)
2K
()
2L31Floor 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)
IC142Front Door LH Wire and Cowl Wire (Left Kick Panel)
ID242Instrument Panel Wire and Cowl Wire (Left Kick Panel)
IF142Instrument Panel Wire and Floor Wire (Left Kick Panel)
IG142Front Door LH Wire and Instrument Panel Wire (Left Kick Panel)
IN144Front Door RH Wire and Instrument Panel Wire (Right Kick Panel)
IQ144Front Door RH Wire and Cowl Wire (Right Kick Panel)
BA146Rear Door No.2 Wire and Floor Wire (Center Pillar LH)
BB146Rear Door No.1 Wire and Cowl Wire (Center Pillar RH)
: GROUND POINTS
CodeSee PageGround Points Location
ID42Cowl Side Panel LH
IG42Cowl Side Panel RH
BI46Left Side of Rear Pillar
BJ46Right Side of Rear Pillar

2001 PRIUS (EWD414U)
THEFT DETERRENT
7. 5A
ECU±B FROM POWER SOURCE SYSTEM (
SEE PAGE 50)
2C 530A
DOOR
B 9
A A A AB A
ID 2D 8
2K 81 2B 1
2L 62K3
11 B F6
F
B
A 8
E B
W±B W±B
R±G
R±G
L±B
W±B L±B W±B W± B
W± B
R±G
R W±B
2C 912BODY ECUB B 8 , B 9A
UNLOCK WARNING SW U 1
JUNCTION
CONNECTOR J27
JUNCTION
CONNECTOR J27
JUNCTION
CONNECTOR J11
JUNCTION
CONNECTORB J24 , J25A
DOOR COURTESY SW
REAR LH D 8
DOOR COURTESY SW
REAR RH D 9
10A
GAU GE
15
A 5
IF1 2
1 2
BJ LUG
J33
JUNCTION
CONNECTORB B
W± B W±BL±B L±B L 4
LUGGAGE COMPARTMENT
DOOR KEY UNLOCK SW
15A
DOME
1J 7
A B
B C2G 2
2D 4
IG1 1
L±Y L±Y L±Y
L±YL±Y
JUNCTION
CONNECTORB J24 A , J25
KSW RCTY BIG

2001 PRIUS (EWD414U)
A 12
ID2 13
12K 1
A DAD B F
IB1 3
1A 6
IG1 5
IC1 7
LOCK UNLOCKM IG1 7B 10
IC1 5
IG1 2 13 16 15 6 10
A3
2 1 4 5 6
A18
3 AACTD RX PCTY
DCTY KUL KL LSWD
R±W
W± BG
R±W R±W
R±W
YY R±Y R±Y R±W R±WR±W
R±W
L±B
G±Y
W
R
GGR W± B W± B
R±WBODY ECUB B 8 , B 9A
2 JUNCTION
CONNECTORB J12 , J13APOWER WINDOW MASTER SW P 9
JUNCTION
CONNECTOR J16
DIODE
(
DOOR COURTESY) D 4 DOOR COURTESY SW
FRONT LH D 6 DOOR COURTESY SW
FRONT RH D 7
DOOR LOCK MOTOR, DOOR KEY LOCK AND
UNLOCK SW AND DOOR UNLOCK
DETECTION SW FRONT LH D13 MPX1
CPUB
5
L±YDCTY7. 5A
OBDII FROM POWER SOURCE SYSTEM (
SEE PAGE 50)
2D 9
A 11DDW±L W± L
BDRJUNCTION
CONNECTOR J26

2001 PRIUS (EWD414U)
THEFT DETERRENT
A CACAB
B B B A B B B A2I 42J1
IQ1 5IQ16 BB12 BB16
MM
IG BB1 1
A AB ABA IQ1 7M 2L 82L9
BA1 2 BA16 BB1 7ID2 12B BA BABA 18
BA1 7IF1 1 B 16 B7A17
IN1 2 IN1 12 IN1 11
42
A
A4 1 2 1 3 4 5 6 3 2 1 GUL2 L2 LSWPLSR
W± B W± B
W±BW± L
W± LR G W± LR GR G WG L±B
W± B
W± B W± B
W± B
W±L W± L
W±L R G W±L W± LR GR G
R G G WG L±B
916
JUNCTION CONNECTORB J14 , J15A
JUNCTION CONNECTORB J22 A , J23
BI BA1 13
W± B W± B
JUNCTION
CONNECTORB J18 , J19A
JUNCTION
CONNECTOR J17 DOOR LOCK MOTOR, DOOR KEY LOCK
AND UNLOCK SW AND DOOR UNLOCK
DETECTION SW FRONT RH D14
DOOR LOCK MOTOR AND
DOOR UNLOCK
DETECTION SW REAR RH D12
DOOR LOCK MOTOR AND
DOOR UNLOCK
DETECTION SW REAR LH D11 AB 9, B 8 B
BODY ECU
LOCK UNLOCK
ACT+ ACT±

2001 PRIUS (EWD414U)
B 14 B15
IN1 1IN16
IQ1 2 65
3 L1 UL1
W±B
R±B G±B
W± BG± B
R±B
BODY ECUB B 8 , B 9A
UNLOCKLOCK
D10
DOOR LOCK
CONTROL SW
FRONT RH10A
HORN FROM POWER SOURCE SYSTEM (
SEE PAGE 50)
23 15
1J 2 A 10
ID2 4IA28 A 20 A13 B13
IE1 9IE110
1
2 1
IE IFB 7C 84
AA
D D A
A
A6 SH HCTY IND HR
B±W B±W
R±W
LG±BR±W
LG±B
B±R B±R
B±R B±R B±R BR W± B W±B
BRTHEFT DETERRENT
HORN T 1
ENGINE HOOD
COURTESY SW E 2
CENTER CLUSTER SW C 7JUNCTION
CONNECTOR J27
JUNCTION
CONNECTOR J20
HORN
RELAY
JUNCTION
CONNECTOR J 7
JUNCTION
CONNECTOR J 1RADIO AND
PLAYERC R 3 , R 4B

2001 PRIUS (EWD414U)
THEFT DETERRENT
D13 DOOR KEY LOCK AND UNLOCK SW AND DOOR UNLOCK DETECTION SW FRONT LH
6±3 : Closed with door lock cylinder unlocked with key
5±3 : Closed with door lock cylinder locked with key
D14 DOOR KEY LOCK AND UNLOCK SW AND DOOR UNLOCK DETECTION SW FRONT RH
1±4 : Closed with door lock cylinder unlocked with key
2±4 : Closed with door lock cylinder locked with key
E2 ENGINE HOOD COURTESY SW
2±1 : Open with engine hood open
U1 UNLOCK WARNING SW
2±1 : Closed with ignition key in cylinder
L4 LUGGAGE COMPARTMENT DOOR KEY UNLOCK SW
2±1 : Closed with luggage compartment door lock cylinder unlock
B8 (A), B9 (B) BODY ECU
(A)17±GROUND : Continuity with front RH door unlocked
(B) 1±GROUND : Always continuity
(A) 5±GROUND : Continuity with luggage compartment door unlocked
(A)13±GROUND : Continuity with engine hood closed
(A) 5±GROUND : Continuity with luggage compartment door open
(A)12±GROUND : Continuity with front RH door open
(B) 9±GROUND : Always approx. 12 volts
8±GROUND : Always approx. 12 volts
15±GROUND : Approx. 12 volts with the ignition SW at ON position
6±GROUND : Continuity with rear LH, RH door open
3±GROUND : Continuity with front LH door open
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
B8A36E234J22A37
B9B36J137J23B37
C736J737J24A37
D436J1137J25B37
D638J12A37J2637
D738J13B37J2737
D838J14A37J3338
D938J15B37L438
D1038J1637P939
D1138J1737R3B37
D1238J18A37R4C37
D1338J19B37T135
D1438J2037U137
: 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)
2C30Instrument Panel Wire and Instrument Panel J/B (Cowl Side Panel LH)2D30Instrument Panel Wire and Instrument Panel J/B (Cowl Side Panel LH)
2G31Engine Room Main Wire and Instrument Panel J/B (Cowl Side Panel LH)
2I
2J31Cowl Wire and Instrument Panel J/B (Cowl Side Panel LH)
2K
()
2L31Floor Wire and Instrument Panel J/B (Cowl Side Panel LH)
SERVICE HINTS

2001 PRIUS (EWD414U)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CodeSee PageJoining Wire Harness and Wire Harness (Connector Location)
IA242Engine Room Main Wire and Cowl Wire (Cowl Side Panel LH)
IB142Floor Wire and Cowl Wire (Cowl Side Panel LH)
IC142Front Door LH Wire and Cowl Wire (Left Kick Panel)
ID242Instrument Panel Wire and Cowl Wire (Left Kick Panel)
IE142Instrument Panel Wire and Engine Room Main Wire (Left Kick Panel)
IF142Instrument Panel Wire and Floor Wire (Left Kick Panel)
IG142Front Door LH Wire and Instrument Panel Wire (Left Kick Panel)
IN144Front Door RH Wire and Instrument Panel Wire (Right Kick Panel)
IQ144Front Door RH Wire and Cowl Wire (Right Kick Panel)
BA146Rear Door No.2 Wire and Floor Wire (Center Pillar LH)
BB146Rear Door No.1 Wire and Cowl Wire (Center Pillar RH)
: GROUND POINTS
CodeSee PageGround Points Location
ID42Cowl Side Panel LHIE42Cowl Side Panel LH
IF42Left Kick Panel
IG42Cowl Side Panel RH
BI46Left Side of Rear Pillar
BJ46Right Side of Rear Pillar

2001 PRIUS (EWD414U)
RADIO AND PLAYER
12 IG1 3IG14 B 2B6
2 1 IN1 3IN14 B 1B5
2 1 A 2A6
2 1 A 1A3 15A
DOMEFROM POWER SOURCE SYSTEM (
SEE PAGE 50)
1J 710A
ACC
2D 2
B 3 B 46B B 2IJ2 9 IJ2 8
L±Y
GR ±R
P
V V P GR± RL±Y
P
V
LG
L
B
Y
R
W P
V
LG
L
B
Y
R
W
AUI+ AUI±
110NAVIGATION
ECU N 2
FRONT DOOR
SPEAKER LH F14
FRONT DOOR
SPEAKER RH F15
REAR SPEAKER
LH R 8
REAR SPEAKER
RH R 9 2G 2
2D 4
L±Y
2 1 IG1 3IG14 AUO+ AUO±
G
R P
V
FRONT DOOR
SPEAKER LH F14 IJ2 6IJ27
G
R
211
(
*1)
(
*1) (
*1) (
*1) (
*1)
(
*1)(
*1) (
*1) (
*1)
(
*1) (
*2)
(
*2) (
*2)
(
*2)
B C A CACIJ1 1IJ14
JUNCTION
CONNECTOR J24JUNCTION
CONNECTORB J27 A , J28
BBB+B ACC
L±Y
L±Y
GR ±R GR±R
918
B
B
GR ±R
JUNCTION
CONNECTOR J26
17BR
GND
RADIO AND PLAYERB R 2 , R 3A
IF1 7IF18IF15IF16 C , R 4 BU+B ACC+B FL+ FL±
FL+ FL± FR+ FR± RL+ RL± RR+ RR±