PREPARATION
Special Service Tools

Commercial Service Tools

PrecautionP1564 ASCD steering switch
Description
ASCD steering switch has variant values of electrical resistance for each
button. ECM reads voltage variation
of switch, and determines which button is operated.
Refer to EC-68, "System Diagram" for the ASCD function.
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P156 ...
Power supply and ground circuit
A/C AUTO AMP.
A/C AUTO AMP.: Description
COMPONENT DESCRIPTION
A/C Auto Amp. (Air Conditioner Automatic Amplifier)
The A/C auto amp. (1) has a built-in microcomputer that processes
information sent from various sensors needed for air conditioner
operation. The air mix door motor(s), the mo ...
C1111 pump motor
Description
PUMP
The pump returns the brake fluid stored in the reservoir to the master
cylinder by reducing the pressure.
MOTOR
The motor drives the pump according to the signals transmitted by the ABS
actuator and electric unit (control
unit).
DTC Logic
DTC DETECTION LOGIC
DTC CON ...