2001 TOYOTA SEQUOIA Service Repair Manual

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Page 769 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DIDJ2±01
± DIAGNOSTICSAUTOMATIC TRANSMISSION
DI±567
761 Author: Date:
2005 SEQUOIA (RM1146U)
FAIL±SAFE CHART
1. FAIL±SAFE
This function minimizes the loss of the ECT functions when any malfun

Page 770 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual NORMAL S1 OFF S2 OFF SR OFF
ºRºGear
ºDº
º3º
º2º
ºLº
S1S2Gear GearSR SL1 SL2GearS1 S2 SR SL1 SL2 S1 S2 SR SL1 SL2 S1 S2 SR SL1 SL2
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RRR R
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Page 771 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual S2 SR OFF S1 SR OFF S1 S2 SR OFF
Gear Gear Gear
ºRº
ºDº
º3º
º2º
ºLº
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RRR R
1 st
1 st E/B
4 th
5 th3 rd
2 nd
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Page 772 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DIDJ3±01
DI±570
± DIAGNOSTICSAUTOMATIC TRANSMISSION
764 Author: Date:
2005 SEQUOIA (RM1146U)
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
According to the DATA LIST displayed by the OBD II scan

DIDJ3±01
DI±570
± DIAGNOSTICSAUTOMATIC TRANSMISSION
764 Author: Date:
2005 SEQUOIA (RM1146U)
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
According to the DATA LIST displayed by the OBD II scan tool or hand±held tester, you can read the value
of the switch, sensor, actuator and so on without parts removal. Reading the DATA LIST as the first step of
troubleshooting is one method to shorten labor time.
(a) Warm up the engine.
(b) Turn the ignition switch off.
(c) Connect the OBD II scan tool or hand±held tester to the DLC3.
(d) Turn the ignition switch to the ON position.
(e) Push the ºONº button of the OBD II scan tool or the hand±held tester.
(f) When you use the hand±held tester:
Select the item ºDIAGNOSIS / ENHANCED OBD II / DATA LISTº.
(g) According to the display on the tester, read the ºDATA LISTº.
ItemMeasurement Item/
Range (display)Normal ConditionDiagnostic Note
STOP LIGHT SWStop light SW Status/
ON or OFFBrake Pedal is depressed: ON
Brake Pedal is released: OFF±
PNP SW [NSW]PNP SW Status/
ON or OFFShift lever position is;
P and N: ON
Except P and N: OFF
When the shift lever position dis-
played on the hand±held tester dif-
fers from the actual position, ad-
justment of the PNP switch or the
shift cable may be incorrect.
HINT:
When the failure still occurs even
after adjusting these parts,
See page DI±576.
LOWPNP SW Status/
ON or OFF
Shift lever position is 2: OFF
O
Shift position L switch Push: ON
O
Shift position L switch Push: OFF
=
2NDPNP SW Status/
ON or OFFShift lever position is;
2 and L: ON
Except 2 and L: OFF
=
3RDPNP SW Status/
ON or OFFShift lever position is;
3: ON
Except 3: OFF
=
DRIVEPNP SW Status/
ON or OFFShift lever position is;
D: ON
Except D: OFF
=
REVERSEPNP SW Status/
ON or OFFShift lever position is;
R: ON
Except R: OFF
=
OVERDRV CUT SW2O/D SW Status/
ON or OFF
IG SW ON: ON
O
O/D SW Push: OFF
O
O/D SW Push: ON
±
SHIFTActual Gear Position/
1st, 2nd, 3rd, 4th or 5th
Shift lever position is;
L: 1st
2: 1st or 2nd
3: 1st, 2nd or 3rd
4(O/D OFF): 1st, 2nd, 3rd or 4th
D: 1st, 2nd, 3rd, 4th or 5th
±

Page 773 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual ± DIAGNOSTICSAUTOMATIC TRANSMISSION
DI±571
765 Author: Date:
2005 SEQUOIA (RM1146U)LOCK UP SOL
Lock Up Solenoid Status/
ON or OFFLock Up: ON
Except Lock Up: OFF±
SOLENOID (SLT)Shift Solenoid

Page 774 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI±572
± DIAGNOSTICSAUTOMATIC TRANSMISSION
766 Author: Date:
2005 SEQUOIA (RM1146U)
2. ACTIVE TEST
HINT:
Performing the ACTIVE TEST using the hand±held tester allows the relay, VSV, actuator an

Page 775 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DIDJ4±01
± DIAGNOSTICSAUTOMATIC TRANSMISSION
DI±573
767 Author: Date:
2005 SEQUOIA (RM1146U)
DIAGNOSTIC TROUBLE CODE CHART
If a DTC is displayed during the DTC check, check the parts listed in

DIDJ4±01
± DIAGNOSTICSAUTOMATIC TRANSMISSION
DI±573
767 Author: Date:
2005 SEQUOIA (RM1146U)
DIAGNOSTIC TROUBLE CODE CHART
If a DTC is displayed during the DTC check, check the parts listed in the table below and proceed to the page
given.
HINT:
*1 : ... The MIL (Malfunction Indicator Lamp) lights up
*2 : ... The ECM memorizes the trouble code if the ECM detects the DTC detection condition.
This DTC may be output when the clutch, brake and gear components etc. inside the automatic trans-
mission are damaged.
DTC No.
(See Page)Detection ItemTrouble AreaMIL *1Memory *2
P0500
(DI±278)Vehicle Speed Sensor ºAº
Open or short in speed sensor (SP2) circuit
Speed sensor (SP2)
ECM

P0705
(DI±576)Transmission Range Sensor Cir-
cuit Malfunction (PRNDL Input)Open or short in park/neutral position switch circuit
Park/neutral position switch
ECM

P0710
(DI±582)Transmission Fluid Temperature
Sensor ºAº CircuitOpen or short in ATF temperature sensor No.1 circuit
Transmission wire (ATF temperature sensor No.1)
ECM

P0711
(DI±588)Transmission Fluid Temperature
Sensor ºAº PerformanceTransmission wire (ATF temperature sensor No.1)
P0712
(DI±582)Transmission Fluid Temperature
Sensor ºAº Circuit Low InputShort in ATF temperature sensor No.1 circuit
Transmission wire (ATF temperature sensor No.1)
ECM

P0713
(DI±582)Transmission Fluid Temperature
Sensor ºAº Circuit High InputOpen in ATF temperature sensor No.1 circuit
Transmission wire (ATF temperature sensor No.1)
ECM

P0717
(DI±591)Input Speed Sensor Circuit No
Signal
Open or short in speed sensor (NT) circuit
Speed sensor (NT)
ECM
Automatic transmission (clutch, brake or gear, etc.)

P0722
(DI±596)Output Speed Sensor Circuit No
Signal
Open or short in speed sensor (SP2) circuit
Speed sensor (SP2)
ECM
Automatic transmission (clutch, brake or gear, etc.)

P0724
(DI±600)Brake Switch ºBº Circuit High
Short in stop light switch signal circuit
Stop light switch
ECM

P0748
(DI±603)Pressure Control Solenoid ºAº
Electrical
(Shift Solenoid Valve SL1)Open or short in shift solenoid valve SL1 circuit
Shift solenoid valve SL1
ECM

P0751
(DI±608)Shift Solenoid ºAº Performance
(Shift Solenoid Valve S1)Shift solenoid valve S1 remains open or closed
Valve body is blocked
Automatic transmission (clutch, brake or gear, etc.)

P0756
(DI±614)Shift Solenoid ºBº Performance
(Shift Solenoid Valve S2)Shift solenoid valve S2 remains open or closed
Valve body is blocked
Automatic transmission (clutch, brake or gear, etc.)

P0771
(DI±620)Shift Solenoid ºEº Performance
(Shift Solenoid Valve SR)
Shift solenoid valve SR remains open or closed
Shift solenoid valve SL1 remains open or closed
Valve body is blocked
Automatic transmission (clutch, brake or gear, etc.)

Page 776 of 4323

TOYOTA SEQUOIA 2001 Service Repair Manual DI±574
± DIAGNOSTICSAUTOMATIC TRANSMISSION
768 Author: Date:
2005 SEQUOIA (RM1146U)P0776
(DI±625)
Pressure Control Solenoid ºBº
Performance
(Shift Solenoid Valve SL2)Shift solenoid valve SL

DI±574
± DIAGNOSTICSAUTOMATIC TRANSMISSION
768 Author: Date:
2005 SEQUOIA (RM1146U)P0776
(DI±625)
Pressure Control Solenoid ºBº
Performance
(Shift Solenoid Valve SL2)Shift solenoid valve SL2 remains open or closed
Valve body is blocked
Automatic transmission (clutch, brake or gear, etc.)

P0778
(DI±631)Pressure Control Solenoid ºBº
Electrical
(Shift Solenoid Valve SL2)Open or short in shift solenoid valve SL2 circuit
Shift solenoid valve SL2
ECM

P0781
(DI±636)1±2 Shift (1 ±2 Shift Valve)Valve body is blocked up or stuck (1±2 shift valve)
Automatic transmission (clutch, brake or gear, etc.)
P0973
(DI±641)Shift Solenoid ºAº Control Circuit
Low (Shift Solenoid Valve S1)Short in shift solenoid valve S1 circuit
Shift solenoid valve S1
ECM

P0974
(DI±641)Shift Solenoid ºAº Control Circuit
High (Shift Solenoid Valve S1)Open in shift solenoid valve S1 circuit
Shift solenoid valve S1
ECM

P0976
(DI±646)Shift Solenoid ºBº Control Circuit
Low (Shift Solenoid Valve S2)Short in shift solenoid valve S2 circuit
Shift solenoid valve S2
ECM

P0977
(DI±646)Shift Solenoid ºBº Control Circuit
High (Shift Solenoid Valve S2)Open in shift solenoid valve S2 circuit
Shift solenoid valve S2
ECM

P0985
(DI±651)Shift Solenoid ºEº Control Circuit
Low (Shift Solenoid Valve SR)Short in shift solenoid valve SR circuit
Shift solenoid valve SR
ECM

P0986
(DI±651)Shift Solenoid ºEº Control Circuit
High (Shift Solenoid Valve SR)Open in shift solenoid valve SR circuit
Shift solenoid valve SR
ECM

P2714
(DI±656)Pressure Control Solenoid ºDº
Performance
(Shift Solenoid Valve SLT)Shift solenoid valve SLT remains open or closed
Valve body is blocked
Automatic transmission (clutch, brake or gear, etc.)

P2716
(DI±662)Pressure Control Solenoid ºDº
Electrical
(Shift Solenoid Valve SLT)Open or short in shift solenoid valve SLT circuit
Shift solenoid valve SLT
ECM

P2740
(DI±666)Transmission Fluid Temperature
Sensor ºBº CircuitOpen or short in ATF temperature sensor No.2 circuit
Transmission wire (ATF temperature sensor No.2)
ECM

P2742
(DI±666)Transmission Fluid Temperature
Sensor ºBº Circuit Low InputShort in ATF temperature sensor No.2 circuit
Transmission wire (ATF temperature sensor No.2)
ECM

P2743
(DI±666)Transmission Fluid Temperature
Sensor ºBº Circuit High InputOpen in ATF temperature sensor No.2 circuit
Transmission wire (ATF temperature sensor No.2)
ECM

P2757
(DI±672)
Torque Converter Clutch Pres-
sure Control Solenoid Perfor-
mance
(Shift Solenoid Valve SLU)Shift solenoid valve SLU remains open or closed
Valve body is blocked
Torque converter clutch
Automatic transmission (clutch, brake or gear, etc.)
Line pressure is too low

P2759
(DI±680)
Torque Converter Clutch Pres-
sure Control Solenoid Control
Circuit Electrical
(Shift Solenoid Valve SLU)Open or short in shift solenoid valve SLU circuit
Shift solenoid valve SLU
ECM

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