Toyota ZZT230 series, Repair Manual

Page: 707 / 821

Dl-496
-
CIRCUIT INSPECTION
DTC 1 1 , 1 5
Actuator Motor Circuit
CIRCUIT DESCRIPTION
The actuator motor is operated by signals from the ECU. Acceleration and deceleration signals are trans­
mitted according to changes in the Duty Ratio (See 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.
Duty Ratio
=
B
X
100 (%)
OTC No.
Detection Jtem
11
Short in actuator motor circuit.
15 in actuator motor circuit.
WIRING DIAGRAM
C5
Cruise Control Actuator
R-W
MC
MO
R-L
c
ON
OFF
A
__fW1_
1
cycle
• Actuator motor
Trouble Area
• Harness or connector between
cruise
control ECU and
actuator motor
•Cruise control ECU
•Actuator motor
C18
Cruise Control ECU
R-W
7
MC
IG3
5
R-L 15
IG3
MO