Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 1998-2003 Approved FSM 05 ccs cidtc111
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DI-573
DIAGNOSTICS - CRUISE CONTROL SYSTEM
DI08M-1 1
CIRCUIT INSPECTION
DTC 11, 15 Actuator Motor Circuit
CIRCUIT DESCRIPTION
The actuator motor is operated by signals from the ECU. Acceleration and deceleration signals are trans-
mitted by changes in the Duty Ratio (See note below).
Duty Ratio
The duty ratio is the ratio of the period of continuity in one cycle. For example, if A is the period of continuity
in one cycle, and B is the period of non-continuity, then.
A
A ON
Duty Ratio = x 100 (%)
A+B B
OFF
1 cycle
DTC No. Detection Item Trouble Area
S Actuator motor
S Harness or connector between cruise control ECU and
11 Short in actuator motor circuit.
actuator motor
S Cruise control ECU
15 Open in actuator motor circuit. S Actuator motor
WIRING DIAGRAM
Cruise Control ECU
Cruise Control Actuator
D Actuator Motor
1 7 15
R-G R-G MO
C3 IK3 C15
2 4 7
R-Y R-Y
C3 IK3 C15 MC
I03206
2001 SIENNA (RM787U)
Author : Date : 727
DI-574
DIAGNOSTICS - CRUISE CONTROL SYSTEM
INSPECTION PROCEDURE
1 Check resistance between terminals MO and MC of actuator motor.
PREPARATION:
ON
2 (a) Turn ignition switch OFF.
(b) Disconnect the actuator connector.
CHECK:
1 Measure resistance between terminals 1 and 2.
HINT:
If control plate position is fully opened or fully closed, resistance
can not be measured.
I00004 I00151 OK:
Resistance: more than 4.2
NG Replace cruise control actuator.
OK
2 Check for open and short in harness and connectors between cruise control
ECU and actuator motor (See page IN-31 ).
NG Repair or replace harness or connector.
OK
Check and replace cruise control ECU.
(See page IN-31 ).
2001 SIENNA (RM787U)
Author : Date : 728
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