2001 TOYOTA PRIUS light

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Page 664 of 1943

TOYOTA PRIUS 2001  Service Repair Manual ± DIAGNOSTICSENGINE
DI±61
2001 PRIUS   (RM778U)
DTC P0171 System too Lean (Fuel Trim)
DTC P0172 System too Rich (Fuel Trim)
CIRCUIT DESCRIPTION
Fuel trim refers to the feedback compensation value co

Page 668 of 1943

TOYOTA PRIUS 2001  Service Repair Manual ± DIAGNOSTICSENGINE
DI±65
2001 PRIUS   (RM778U)
DTC P0300 Random/Multiple  Cylinder Misfire Detected
DTC P0301 Cylinder 1 Misfire Detected
DTC P0302 Cylinder 2 Misfire Detected
DTC P0303 Cylinder 3

Page 682 of 1943

TOYOTA PRIUS 2001  Service Repair Manual A14462
OX Signal Waveform (Oscilloscope)
500 msec./DivisionOX1
OX2 1.0 V
0.5 V
0 V
1.0 V
0.5 V
0 V
± DIAGNOSTICSENGINE
DI±79
2001 PRIUS   (RM778U)
(c) Drive the vehicle at 89 km/h (55 mph) or more f

Page 759 of 1943

TOYOTA PRIUS 2001  Service Repair Manual A14059
B±G
EFICIR OPN
Relay
MREL Engine Room J/B
1A
B
AECM
FC
F16 
Fuel 
Pump
IE 5
FL Block No. 1
MAIN
F12
BatteryE8
E9 259
W±B
J17 
J/C J1 
J/C
IG J7 
J/C IA1
IA2
W±B
AA A W±B G±R B±R
F18 
FL B

Page 764 of 1943

TOYOTA PRIUS 2001  Service Repair Manual A14037
Combination MeterECM
Instrument Panel J/B
W
BatteryE10 IG1 Relay
6
J11 
J/C IG1C11
C10
ID DC/DCG±R
2A
A 5
W
W±B
F114
3GAUGE
Ignition SW 22
2 3B±Y
21
2 1
1 1
MAINL
AM1
B±G4
FL Block No. 1FL

Page 772 of 1943

TOYOTA PRIUS 2001  Service Repair Manual DI82J±02
Prius Problem Check Sheet
Vehicle
Specifications
Please fill in the blanks within bold frame.Name of DealerPerson in Charge at 
HeadquartersPerson in Charge
at Dealer
Model CodeOffice
Vehicl

Page 773 of 1943

TOYOTA PRIUS 2001  Service Repair Manual Verification Results of Warning Light
Engine
HV
INF. code
HV battery
Vehicle Verification Results
(   ) ON     (   ) OFF
(   ) engine               (   ) HV
(   ) HV battery
(   ) output control warni

Page 774 of 1943

TOYOTA PRIUS 2001  Service Repair Manual B04757
DI82K±02
A14091
F12396
DLC3
TOYOTA Hand±held Tester
± DIAGNOSTICSHYBRID VEHICLE CONTROL SYSTEM
DI±177
2001 PRIUS   (RM778U)
PRE±CHECK
1. PRECAUTION
(a) When distinguishing trouble and repl