2001 TOYOTA HIGHLANDER o2 sensor
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- DIAGNOSTICSSFI SYSTEM (2AZ-FE)
05-3
193 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)TOYOTA/LEXUS nameDefinition
Output speed sensorOutput shaft speed sensor
Input speed sensor, Input turbine speed sensor ºAº, Speed
sensor (NT), Turbine speed sensorInput turbine speed sensor
PNP switch, NSWPark/neutral position switch
Pressure control solenoidTransmission pressure control solenoid
Shift solenoidTransmission shift solenoid valve
Transmission control switch, Shift lock control unitShift lock control module
Engine immobilizer system, Immobilizer systemVehicle anti-theft system
Page 2073 of 2572
2005 HIGHLANDER (EWD592U)
49
G
Connector Joining Wire Harness and Wire Harness
12
3421
43123
4561 2 3
4 5 612345
6789101 2 3 4 5
6 7 8 9 10
EA1GrayEB1GrayEB2Black
CodeJoining Wire Harness and Wire Harness (Connector Location)
EA1Engine Wire and Sensor Wire (Right Side of Cylinder Head)
EB1Engine Wire and Engine Room Main Wire (Front Side of Engine Room R/B)EB2Engine Wire and Engine Room Main Wire (Front Side of Engine Room R/B)
Page 2085 of 2572
A82430 Non-reusable part
N´m (kgf´cm, ft´lbf) : Specified torque Gasket
Throttle Body Assy
Water By-pass Hose No. 2
Water By-pass Hose No. 3Throttle Control Motor &
Throttle Position Sensor
Connector
11 (112, 8)
- ENGINE CONTROL SYSTEMTHROTTLE BODY ASSY (3MZ-FE)
10-17
2375 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
Page 2097 of 2572
05CCZ-12
- DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
05-779
969 Author: Date:
DIAGNOSTIC TROUBLE CODE CHART
HINT:
If a malfunction code is displayed during the DTC check, check the circuit indicated by the DTC. For
details of each code, turn to the page for the respective ºDTC No.º in the DTC chart.
When U0121/94, U0123/62, U0124/95 or U0126/63 are output, inspect and repair the trouble areas
indicated by U0121/94, U0123/62, U0124/95 or U0126/63 first.
DTC chart of ABS:
DTC No.
(See Page)Detection ItemTrouble Area
C0200/31*1
(05-788)Right front wheel speed sensor signal malfunction
Right front and left front speed sensor
Each speed sensor circuit
Sensor rotor
Sensor installation
C0205/32*1
(05-788)Left front wheel speed sensor signal malfunction
Right front and left front speed sensor
Each speed sensor circuit
Sensor rotor
Sensor installation
C0210/33*1
(05-795)Right rear wheel speed sensor signal malfunction
Right rear and left rear speed sensor
Each speed sensor circuit
Sensor rotor
Sensor installation
C0215/34*1
(05-795)Left rear wheel speed sensor signal malfunction
Right rear and left rear speed sensor
Each speed sensor circuit
Sensor rotor
Sensor installation
C0226/21
(05-802)Open or short circuit in brake actuator solenoid circuit
(SFR circuit)ABS & TRAC actuator
SFRH or SFRR circuit
C0236/22
(05-802)Open or short circuit in brake actuator solenoid circuit
(SFL circuit)ABS & TRAC actuator
SFLH or SFLR circuit
C0246/23
(05-802)Open or short circuit in brake actuator solenoid circuit
(SRR circuit)ABS & TRAC actuator
SRRH or SRRR circuit
C0256/24
(05-802)Open or short circuit in brake actuator solenoid circuit
(SRL circuit)ABS & TRAC actuator
SRLH or SRLR circuit
C0273/13*1
(05-804)Open circuit in ABS MTR relay circuit
ABS No.2 fuse
ABS MTR relay
ABS MTR relay circuit
J/B No.2
C0274/14
(05-804)Short circuit in ABS MTR relay circuit
ABS No.2 fuse
ABS MTR relay
ABS MTR relay circuit
J/B No.2
C0278/11
(05-809)Open circuit in ABS SOL relay circuit
ABS No.1 fuse
ABS SOL relay
ABS SOL relay circuit
ABS & TRAC actuator
C0279/12
(05-809)Short circuit in ABS SOL relay circuit
ABS No.1 fuse
ABS SOL relay
ABS SOL relay circuit
ABS & TRAC actuator
C1225/25
(05-802)Open or short circuit in brake actuator solenoid circuit
(SMC circuit)SMF or SMR circuit
ABS & TRAC actuator
C1235/35
(05-788)Foreign matter is attached on the tip of the right front sensor
Right front and left front speed sensor
Each speed sensor
Sensor installation
Page 2098 of 2572
05-780
- DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
970 Author: Date:
C1236/36
(05-788)Foreign matter is attached on the tip of the left front sensor
Right front and left front speed sensor
Each speed sensor
Sensor installation
C1238/38
(05-795)Foreign matter is attached on the tip of the right rear sensor
Right rear and left rear speed sensor
Each speed sensor
Sensor installation
C1239/39
(05-795)Foreign matter is attached on the tip of the left rear sensor
Right rear and left rear speed sensor
Each speed sensor
Sensor installation
C1241/41
(05-827)Low battery positive voltage
Battery
Charging system
Power source circuit
C1243/43*1
(05-824)Malfunction in deceleration sensor (constant output)Yaw rate sensor (Deceleration sensor)
Yaw rate sensor circuit (Deceleration sensor circuit)
C1244/44
(05-824)Malfunction in deceleration sensorYaw rate sensor (Deceleration sensor)
Yaw rate sensor circuit (Deceleration sensor circuit)
C1245/45*1
(05-824)Malfunction in deceleration sensorYaw rate sensor (Deceleration sensor)
Yaw rate sensor circuit (Deceleration sensor circuit)
C1246/46*2
(05-830)Malfunction in master cylinder pressure sensorMaster cylinder pressure sensor
Master cylinder pressure sensor circuit
C1249/49
(05-832)Open circuit in stop light switch circuit
Stop lamp bulb
Stop lamp switch
Stop lamp switch circuit
C1251/51*1
(05-835)
ABS pump motor is locked
Open circuit in pump motor circuitABS & TRAC actuator
ABS & TRAC actuator circuit
C1267/67
(05-837)Open or short circuit of brake pedal load sensing switch circuitBrake pedal load sensing switch
Brake pedal load sensing switch circuit
C1361/91
(05-804)Short circuit in ABS motor fail safe relay circuit
ABS No.2 fuse
ABS MTR relay
ABS MTR relay circuit
J/B No.2
C1381/97
(05-824)Malfunction in power supply voltage yaw/deceleration sensorYaw rate sensor
Yaw rate sensor power source circuit
U0121/94
(05-2090)Malfunction in CAN communicationWire harness
Skid control ECU
U0124/95
(05-2090)Malfunction in CAN communication with deceleration sensorWire harness
Yaw rate sensor (Deceleration sensor)
*1, *2:
Even after the trouble areas are repaired, the ABS warning light will not go off unless the following operations
are performed.
*1:
(1) Drive the vehicle at 12 mph (20 km/h) for 30 seconds or more and check that the ABS warning
light goes off.
(2) Clear the DTC (see page 05-765).
*2:
(1) Keep the vehicle in a stationary condition for 5 seconds or more and depress the brake pedal
lightly 2 or 3 times.
(2) Drive the vehicle at a vehicle speed of 31 mph (50 km/h). Then depress the brake pedal strongly
for about 3 seconds.
(3) Repeat the above operation 3 times or more and check that the ABS warning light goes off.
(4) Clear the DTC (see page 05-765).
Page 2099 of 2572
- DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
05-781
971 Author: Date:
HINT:
In some cases, the hand-held tester cannot be used when ABS warning light remains on.
DTC chart of VSC:
DTC No.
(See Page)Detection ItemTrouble Area
C1201/51
(05-812)Malfunction in ECMEngine control system
C1203/53
(05-813)Malfunction in ECM communication circuit
TRC+ or TRC- circuit
ENG+ or ENG- circuit
ECM
C1210/36
(05-815)Zero point calibration of yaw rate sensor undoneYaw rate sensor (Deceleration sensor)
Zero point calibration undone
C1223/43
(05-817)Malfunction in ABS control systemABS control system
C1224/44
(05-818)Open or short circuit in NEO signal circuit
NEO circuit
ECM
Skid control ECU
C1231/31
(05-821)Malfunction in steering angle sensor
Steering angle sensor
Steering angle sensor circuit
+B circuit
Can communication system
C1232/32
(05-824)Malfunction in deceleration sensorYaw rate / deceleration
Yaw rate / deceleration sensor circuit
C1234/34
(05-824)Malfunction in yaw rate sensorYaw rate / deceleration
Yaw rate / deceleration sensor circuit
C1336/39
(05-815)Zero point calibration of deceleration sensor undoneYaw rate sensor (Deceleration sensor)
Zero point calibration not done
U0123/62
(05-2090)Malfunction in CAN communication with yaw rate sensorWire harness
Yaw rate sensor (Deceleration sensor)
U0126/63
(05-2090)Malfunction in CAN communication with angle position sensorWire harness
Steering angle sensor
HINT:
In some cases, the hand-held tester cannot be used when the VSC warning light remains on.
DTC of sensor check function:
Code No.DiagnosisTrouble Area
C1271/71Low output voltage of right front speed sensor
Right front speed sensor
Sensor installation
Sensor rotor
C1272/72Low output voltage of left front speed sensor
Left front speed sensor
Sensor installation
Sensor rotor
C1273/73Low output voltage of right rear speed sensor
Right rear speed sensor
Sensor installation
Sensor rotor
C1274/74Low output voltage of left rear speed sensor
Left rear speed sensor
Sensor installation
Sensor rotor
C1275/75Abnormal change in output voltage of right front speed sen-
sorRight front sensor rotor
C1276/76Abnormal change in output voltage of left front speed sen-
sorLeft front speed sensor rotor
C1277/77Abnormal change in output voltage of right rear speed sen-
sorRight rear sensor rotor
C1278/78Abnormal change in output voltage of left rear speed sensorLeft rear speed sensor rotor
Page 2100 of 2572
05-782
- DIAGNOSTICSABS WITH EBD & BA & TRAC & VSC SYSTEM
972 Author: Date:
Code No.Trouble Area Diagnosis
C1279/79Deceleration sensor is faultyYaw rate sensor (Deceleration sensor)
Sensor installation
C1281/81Master cylinder pressure sensor output signal is faultyMaster cylinder pressure sensor
C0371/71Yaw rate sensor output signal is faultyYaw rate sensor (Deceleration sensor)
Page 2101 of 2572
051ZH-16
05-48
- DIAGNOSTICSSFI SYSTEM (2AZ-FE)
238 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
DIAGNOSTIC TROUBLE CODE CHART
HINT:
Parameters listed in the chart may be different than your readings depending on the type of instrument used
and other factors.
During the DTC check, refer to the table below if a malfunction code is displayed. For details about each
code, refer to the page number in the DTC chart's left column.
DTC No.
(See Page)Detection ItemTrouble AreaMIL*1Memory
P0010
(05-55)Camshaft Position ºAº Actuator
Circuit (Bank 1)Open or short in OCV circuit
OCV valve
ECM
P0011
(05-61)Camshaft Position ºAº -Timing
Over - Advanced or System Per-
formance (Bank 1)Valve timing
OCV
VVT controller assembly
ECM
P0012
(05-61)Camshaft Position ºAº -Timing
Over- Retarded (Bank 1)Same as DTC No. P0011
P0016
(05-69)Crankshaft Position - Camshaft
Position Correlation (Bank 1 Sen-
sor 1)Mechanical system (jumped tooth of timing chain, chain
stretched)
ECM
P0031*3
(05-71)
Oxygen (A/F) Sensor Heater Cir-
cuit Low (Bank 1 Sensor 1)
Open in heater circuit of A/F sensor
A/F sensor heater
EFI relay
ECM
P0032*3
(05-71)
Oxygen (A/F) Sensor Heater Cir-
cuit High (Bank 1 Sensor 1)
Short in heater circuit of A/F sensor
A/F sensor heater
EFI relay
ECM
P0037
(05-76)Oxygen Sensor Heater Control
Circuit Low (Bank 1 Sensor 2)
Open or short in heater circuit of heated oxygen sensor
Heated oxygen sensor heater
EFI relay
ECM
P0038
(05-76)Oxygen Sensor Heater Control
Circuit High (Bank 1 Sensor 2)Same as DTC No. P0037
P0100
(05-81)Mass or Volume Air Flow Circuit
Open or short in mass air flow meter circuit
Mass air flow meter
ECM
P0101
(05-88)Mass or Volume Air Flow Circuit
Range/Performance ProblemMass air flow meter
P0102
(05-81)Mass or Volume Air Flow Circuit
Low InputSame as DTC No. P0100
P0103
(05-81)Mass or Volume Air Flow Circuit
High InputSame as DTC No. P0100
P0110
(05-90)Intake Air Temperature Circuit
Open or short in intake air temperature sensor circuit
Intake air temperature sensor (built-in mass air flow meter)
ECM
P0112
(05-90)Intake Air Temperature Circuit
Low InputSame as DTC No. P0110
P0113
(05-90)Intake Air Temperature Circuit
High InputSame as DTC No. P0110
P0115
(05-95)Engine Coolant Temperature Cir-
cuitOpen or short in engine coolant temperature sensor circuit
Engine coolant temperature sensor
ECM
P0116
(05-100)Engine Coolant Temperature Cir-
cuit Range/Performance ProblemCooling system
Engine coolant temperature sensor
P0117
(05-95)Engine Coolant Temperature Cir-
cuit Low InputSame as DTC No. P0115