2001 TOYOTA HIGHLANDER Service Repair Manual

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Page 1825 of 2572

TOYOTA HIGHLANDER 2001 Service Repair Manual A76903
STA (+)
E7
ECME1 (-)
E9
ECM
A76903
STA (+)
E7
ECME1 (-)
E9
ECM
- DIAGNOSTICSSFI SYSTEM (2AZ-FE)
05-239
429 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
OBD II scan tool (excluding

Page 1826 of 2572

TOYOTA HIGHLANDER 2001 Service Repair Manual 1
5 6 2 3
7 8 4
A56879
AM1
AM2 ST2ST1
I15
Ignition
Switch
A76903
STA (+)
E7
ECME1 (-)
E9
ECM
05-240
- DIAGNOSTICSSFI SYSTEM (2AZ-FE)
430 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
4 INS

Page 1827 of 2572

TOYOTA HIGHLANDER 2001 Service Repair Manual - DIAGNOSTICSSFI SYSTEM (2AZ-FE)
05-241
431 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
DTC P0630 VIN NOT PROGRAMMED OR MISMATCH -
ECM/PCM
CIRCUIT DESCRIPTION
DTC P0630 is set when the

Page 1828 of 2572

TOYOTA HIGHLANDER 2001 Service Repair Manual 05-242
- DIAGNOSTICSSFI SYSTEM (2AZ-FE)
432 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
DTC P0705 TRANSMISSION RANGE SENSOR CIRCUIT
MALFUNCTION (PRNDL INPUT)
CIRCUIT DESCRIPTION
When the

Page 1829 of 2572

TOYOTA HIGHLANDER 2001 Service Repair Manual GND
C42920C53419
5 V/DIV
0.5 ms/DIV
- DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E/U140F)05-937
1127 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
DTC P0717 TURBINE SP

GND
C42920C53419
5 V/DIV
0.5 ms/DIV
- DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E/U140F)05-937
1127 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
DTC P0717 TURBINE SPEED SENSOR CIRCUIT NO
SIGNAL
CIRCUIT DESCRIPTION
This sensor detects the rotation speed of the input turbine. By comparing the input turbine speed signal (NT)
with the counter gear speed sensor signal (NC), the ECM detects the shift timing of the gears and appropri-
ately controls the engine torque and hydraulic pressure according to various conditions. Thus, providing
smooth gear shift.
DTC No.DTC Detection ConditionTrouble Area
P0717
ECM detects conditions (a), (b) and (c) continuity for 5 sec. or
more: (1-trip detection logic)
(a) Vehicle speed: 50 km/h (31 mph) or more
(b) Park/neutral position switch (NSW, R and L) is OFF
(c) Speed sensor (NT): less than 300 rpmOpen or short in transmission revolution sensor NT (speed
sensor NT) circuit
Transmission revolution sensor NT (speed sensor NT)
ECM
Automatic transaxle assembly
Reference (Using an oscilloscope):
Check the waveform between the terminals NT+ and NT-
of the ECM connector.
Standard: Refer to the illustration.
TerminalNT+ - NT-
Tool setting5V/DIV, 0.5ms/DIV
Vehicle conditionVehicle speed 20 km/h (12 mph)
MONITOR DESCRIPTION
The NT terminal of the ECM detects a revolution signal from the speed sensor (NT) (input RPM). The ECM
calculates a gearshift comparing the speed sensor (NT) with the speed sensor (NC).
While the vehicle is operating in 2nd, 3rd or O/D gear in the shift position of D, if the input shaft revolution
is less than 300 rpm
*1 although the output shaft revolution is more than 1,000 rpm*2, the ECM detects the
trouble, illuminates the MIL and stores the DTC.
*1: Pulse is not output or is irregularly output.
*2: The vehicle speed is 50 km/h (31 mph) or more.
MONITOR STRATEGY
Related DTCsP0717: Speed sensor (NT)/Verify pulse input
Required sensors/ComponentsSpeed sensor (NT), Speed sensor (NC)
Frequency of operationContinuous
Duration5 sec.
MIL operationImmediate
Sequence of operationNone
05F3B-05

Page 1830 of 2572

TOYOTA HIGHLANDER 2001 Service Repair Manual G31763
ECM
NT+
NT- 27
35 W
R-W 2 1E8
E8 T3
Turbine Speed Sensor
5V
E1
BR3795OK NG
05-938- DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E/U140F)
1128 Author: Date:
2005 HIGHLANDER

Page 1831 of 2572

TOYOTA HIGHLANDER 2001 Service Repair Manual C58536
1 2
Sensor Side:
(Connector Front View):
T3
C82158C91565
NT+
NT-
E7E8E9E6E5
ECM:
- DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E/U140F)05-939
1129 Author: Date:
2005 HIGHL

Page 1832 of 2572

TOYOTA HIGHLANDER 2001 Service Repair Manual 05-940- DIAGNOSTICSELECTRONIC CONTROLLED AUTOMATIC
TRANSAXLE [ECT] (U241E/U140F)
1130 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
DTC P0724 BRAKE SWITCH ºBº CIRCUIT HIGH
CIRCUIT DESCRI

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