Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 1998-2003 Approved FSM 05 abswebdb preche
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DI-259
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM
DI6NS-02
w/o Tachometer:
PRE-CHECK
1. DIAGNOSIS SYSTEM
(a) Check the warning lights.
(1) Release the parking brake pedal.
(2) When the ignition switch is turned ON, check that
the ABS warning light, VSC warning light, TRAC
OFF indicator light, BRAKE warning light and SLIP
indicator light go on for approx. 3 seconds.
USA: USA: HINT:
S When the parking brake is applied or the level of the brake
CANADA: CANADA: fluid is low, the BRAKE warning light is lit.
S If the indicator check result is not normal, proceed to trou-
bleshooting for the ABS warning light circuit, VSC warn-
ing light circuit, TRAC OFF indicator light circuit, BRAKE
w/ Tachometer:
warning light circuit or SLIP indicator light circuit.
Trouble Area See page
USA: ABS warning light circuit DI-334
USA:
VSC warning light circuit DI-336
CANADA: CANADA: TRAC OFF indicator light circuit DI-345
BRAKE warning light circuit DI-339
SLIP indicator light circuit DI-342
F12350
(b) In case of not using TOYOTA hand-held tester:
Check the DTC of skid control ECU.
DLC1 (1) Using SST, connect terminals Tc and E1 of DLC1 or
E1
Tc and CG of DLC3.
SST 09843-18020 or 09843-18040
(2) Turn the ignition switch ON.
(3) Read the DTC from the ABS warning light and VSC
warning light on the combination meter.
HINT:
S If no code appears, inspect the diagnostic circuit, ABS
Tc warning light circuit or VSC waning light circuit.
Tc DLC3 Trouble Area See page
Tc terminal circuit DI-351
ABS warning light circuit DI-334
VSC warning light circuit DI-336
CG
F02201
N09214 F05476
2001 SIENNA (RM787U)
Author : Date : 413
DI-260
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM
S As an example, the blinking patterns for normal code and
Normal Code codes 11 and 21 are shown on the left.
2 sec. (4) Codes are explained in the code table on page
0.25 sec.
DI-265 .
0.25 sec.
(5) After completing the check, disconnect terminals Tc
and E1 of DLC1 or Tc and CG of DLC3, and turn off
ON
the display.
If 2 or more malfunction codes are identified at the same time,
OFF
the lowest numbered DTC will be displayed 1st.
Code 11 and 21
0.5 sec. 0.5 sec.
1.5 sec.
4 sec. 2.5 sec.
ON
OFF
Code 11 Code 21
R01346
(c) In case of not using TOYOTA hand-held tester:
Check the DTC of translate ECU.
DLC1 (1) Release the parking brake pedal.
E1
(2) Check the brake fluid level.
(3) Using SST, connect terminals Tc and E1 of DLC1 or
Tc and CG of DLC3.
SST 09843-18020 or 09843-18040
(4) Turn the ignition switch ON.
(5) Read the DTC from the BRAKE warning light.
HINT:
Tc S If no code appears, inspect the diagnostic circuit, and
Tc DLC3 BRAKE warning light circuit.
Trouble Area See page
Tc terminal circuit DI-351
BRAKE warning light circuit DI-339
S When the parking brake is applied or the level of the brake
fluid is low, the BRAKE warning light is lit.
CG
F02201 S If every sensor is normal, a normal code is output. (A cycle
N09214 F05476
of 0.25 sec. ON and 0.25 sec. OFF is repeated.)
S If 2 or more malfunction codes are identified at the same
time, the lowest numbered code will be displayed 1st.
2001 SIENNA (RM787U)
Author : Date : 414
DI-261
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM
Malfunction Code (Example Code 42, 44)
42
0.5 sec. 44
2.5 sec.
ON
OFF
4 sec.
Repeat
0.5 sec. 1.5 sec.
TOYOTA hand-held tester (d) In case of using TOYOTA hand-held tester:
Check the DTC.
(1) Hook up the TOYOTA hand- held tester to the
DLC3.
(2) Turn the ignition switch ON.
(3) Read the DTC by following the prompts on the tes-
ter screen.
HINT:
DLC3 D02118 Please refer to the TOYOTA hand-held tester operator's manu-
al for further details.
(e) In case of not using TOYOTA hand-held tester:
Clear the DTC.
(1) Using SST, connect terminals Tc and E1 of DLC1 or
Tc and CG of DLC3.
SST 09843-18020 or 09843-18040
(2) Turn the ignition switch ON.
(3) Clear the DTC stored in ECU by depressing the
brake pedal 8 times or more within 5 seconds.
BR3890 (4) Check that the warning light shows the normal
code.
(5) Remove the SST from the terminals of DLC1 or
DLC3.
SST 09843-18020 or 09843-18040
HINT:
Cancellation cannot be done by removing the battery cable or
ECU-IG fuse.
TOYOTA hand-held tester (f) In case of using TOYOTA hand-held tester:
Clear the DTC.
(1) Hook up the TOYOTA hand- held tester to the
DLC3.
(2) Turn the ignition switch ON.
(3) Operate the TOYOTA hand-held tester to erase the
codes.
HINT:
DLC3 Please refer to the TOYOTA hand-held tester operator's manu-
D02118
al for further details.
2001 SIENNA (RM787U)
Author : Date : 415
DI-262
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM
E1 2. SPEED SENSOR SIGNAL CHECK (TEST MODE)
(a) In case of not using TOYOTA hand-held tester:
Check the sensor signal.
(1) Turn the ignition switch OFF.
(2) Using SST, connect terminals Ts and E1 of DLC1.
SST 09843-18020
(3) Start the engine.
DLC1 Tc
Ts
F02201
(4) Check that the ABS warning light blinks.
HINT:
0.13 sec. 0.13 sec. If the ABS warning light does not blink, inspect the ABS warning
light circuit (See page DI-334 ).
ON
(5) Drive vehicle straight forward.
Drive vehicle at a speed faster than 45 km/h (28
mph) for several seconds check that the ABS warn-
OFF ing light comes off.
BR3904 HINT:
The sensor check may not be completed if the front wheels are
spun or the steering wheel is steered during this check.
(6) Stop the vehicle.
(7) Turn the ignition switch OFF, and then disconnect
the SST from terminals Ts and E1 of DLC1.
SST 09843-18020
(8) Using SST, connect terminals Tc and E1 of DLC1 or
Tc and CG of DLC3.
SST 09843-18020 or 09843-18040
(9) Turn the ignition switch ON.
(10) Read the number of blinks of the ABS warning light.
HINT:
S See the list of DTC shown on the next page.
S If every sensor is normal, a normal code is output (A cycle
of 0.25 sec. ON and 0.25 sec. OFF is repeated).
S If 2 or more malfunction codes are identified at the same
time, the lowest numbered code will be displayed 1st.
Malfunction Code (Example Code 72, 76)
7 2 7 6
ON
OFF
1.5 sec. 2.5 sec. 4 sec.
0.5 sec. 0.5 sec.
0.5 sec. 0.5 sec. Repeat
BR3893
(11) After doing the check, disconnect the SST from ter-
minals of DLC1 or DLC3, and turn the ignition switch
OFF.
SST 09843-18020 or 09843-18040
2001 SIENNA (RM787U)
Author : Date : 416
DI-263
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM
TOYOTA hand-held tester (b) In case of using TOYOTA hand-held tester:
Check the sensor signal.
(1) Hook up the TOYOTA hand- held tester to the
DLC3.
(2) Do step (3) - (6) on the previous page.
(3) Read the DTC by following the prompts on the tes-
ter screen.
HINT:
DLC3 D02118 Please refer to the TOYOTA hand-held tester operator's manu-
al for further details.
DTC of speed sensor check function:
Code No. Diagnosis Trouble Area
S Right front speed sensor
C1271 / 71 Low output voltage of right front speed sensor S Sensor installation
S Right front speed sensor rotor
S Left front speed sensor
C1272 / 72 Low output voltage of left front speed sensor S Sensor installation
S Left front speed sensor rotor
S Right rear speed sensor
C1273 / 73 Low output voltage of right rear speed sensor S Sensor installation
S Right rear speed sensor rotor
S Left rear speed sensor
C1274 / 74 Low output voltage of left rear speed sensor S Sensor installation
S Left rear speed sensor rotor
Abnormal change in output signal of right front speed sen-
C1275 / 75 Right front speed sensor rotor
sor
C1276 / 76 Abnormal change in output signal of left front speed sensor Left front speed sensor rotor
C1277 / 77 Abnormal change in output signal of right rear speed sensor Right rear speed sensor rotor
C1278 / 78 Abnormal change in output signal of left rear speed sensor Left rear speed sensor rotor
3. STEERING ANGLE SENSOR ZERO POINT CALIBRA-
TION
NOTICE:
When replacing the steering angle sensor or ECU, or when
adjusting the front wheel alignment or steering wheel cen-
ter point in accordance with the removing and installing or
replacing the suspension, axle or steering parts, make
sure to perform steering angle sensor zero point calibra-
tion.
(a) Make sure the steering off center angle is < ◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo