Toyota ZZT230 series Repair Manual page 709

Dl-498
DTC 1 2, 43
CIRCUIT DESCRIPTION
This circuit turns on the magnetic clutch inside the actuator during cruise control operation according to the
the
signal from the ECU. If a malfunction occu rs in the actuator or speed sensor, etc. during cruise control operaR
tion, rotor shaft between the motor and control plate is released.
When the brake pedal is depressed, the stop light switch turns on, supplying electrical power to the stop light.
H
Power supply to the magnetic clutch Is mechanically cut and the magnetic clutch is turned OFF.
OFF.
.
When driving downhill,
safety magnet clutch
set spee d Is resumed
DTCNo.
Short actuator
In
12
Open (0.8 sec.)
Actuator Magnetic Clutch Circuit
the vehicle speed exceeds the set speed by 1 5 km/h (9 mph), the ECU turns the
If the vehicle speed later drops to within 1 0 kmth (6 mph), cruise control at the
lfiBgfleti<: cl\ltd'l
io actuator
clutch circuit.
magnetic
ciraJit
-
SWitch
•STOP
Fuse
•Stop
light
• Actuator
magnetic clutch
•Harness or con between cruiS& control
�'lector
lor magnetic
clutch, actual()( magnetic clutch and
ground
•
control ECU
CruiSe
Trouble Area
and actua-
ECU
body