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DI-294
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM
DI6O1-02

DTC C0365 / 43 Deceleration Sensor Circuit

CIRCUIT DESCRIPTION
Deceleration sensor is combined with yaw rate sensor.
DTC No. DTC Detecting Condition Trouble Area
Detection of any of conditions from 1. through 4.:
1. The sensor signal is out of range, less than 0.25 V or
more than 4.75 V.
2. Deceleration difference between sensor signal and refer-
S Deceleration sensor
C0365 / 43 ence value is large.
S Deceleration sensor circuit
3. Offset value of sensor signal is higher than the standard
value.
4. sensor signal change rapidly higher than the value at the
normal condition.

WIRING DIAGRAM

Deceleration Sensor Skid Control ECU
(Shielded) (Shielded)
3 6 34
R R
IGA Y1 IC3 V14 YIGA

6 9 20
W W
GNDA Y1 IC3 V14 YGNA

5 14 73
G G
GL1 Y1 IC3 V14 GL1

15
IC3 BR
BR BR

F13452

2001 SIENNA (RM787U)

Author : Date : 448
DI-295
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM

INSPECTION PROCEDURE
HINT:
Start the inspection from step 1 in case of using the TOYOTA hand-held tester and start from step 3 in case
of not using the TOYOTA hand-held tester.

1 Check output value of the deceleration sensor.

PREPARATION:
(a) Connect the TOYOTA hand-held tester to the DLC3.
(b) Turn the ignition switch ON and push the TOYOTA hand-held tester main switch ON.
(c) Select the DATALIST mode on the TOYOTA hand-held tester.
CHECK:
Check that the deceleration value of the deceleration sensor displayed on the TOYOTA hand-held tester
is changing when tilting the vehicle.
OK:
Deceleration value must be changing.

OK Check and replace skid control ECU.

2 Check the steering angle sensor zero point.

PREPARATION:
(a) Connect the TOYOTA hand-held tester to the DLC3.
(b) Turn the ignition switch ON and push the TOYOTA hand-held tester main switch ON.
(c) Select the DATALIST mode on the TOYOTA hand-held tester.
CHECK:
Check whether steering angle sensor value is nearly equal to 0 degree when steering wheel is adjusted to
neutral.

NG Calibrate the steering angle sensor zero point
(See page DI-259 ).

3 Check deceleration sensor (See page DI-259 ).

NG Replace deceleration sensor.

OK
2001 SIENNA (RM787U)

Author : Date : 449
DI-296
DIAGNOSTICS - ABS WITH EBD & BA & TRAC & VSC SYSTEM

4 Check for open or short circuit in harness and connector between deceleration
sensor and skid control ECU (See page IN-31 ).

NG Repair or replace harness and connector.

Check and replace skid control ECU.

2001 SIENNA (RM787U)

Author : Date : 450

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