
AC-44
AIR CONDITIONING SYSTEM — Functional Test and Adjustment
RECIRC/FRESH Control Servo Motor
INSPECTION OF RECIRC/FRESH CONTROL SERVO MOTOR
(Operation)
(a) Connect the positive (+) lead from the battery to terminal 1 and the negative (—) lead to terminal 2.
(b) Check that the arm rotates smoothly.
(c) At this time, check for continuity between terminals 3 and 4 as shown in the illustration.
(d) Connect the positive (+) lead from the battery to terminal 2 and the negative (—) lead to terminal 1.
(e) Check that the arm rotates smoothly.
(f) At this time, check for continuity between terminals 5 and 6 as shown in the illustration.
If operation is not as specified, replace the servo motor.
Air Vent Mode Control Servo Motor
INSPECTION OF AIR VENT MODE CONTROL SERVO MOTOR
(Operation)
(a) Connect the positive (+) lead from the battery to terminal 1 and the negative (—) lead to terminal 4.
(b) Check that the arm rotates smoothly.
(c) Connect the positive (+) lead from the battery to terminal 4 and the negative (—) lead to terminal 1.
(d) Check that the arm rotates smoothly.
(Continuity)
Check for continuity between terminal as shown below.
Terminals
Arm position 2 5 6 7 9 10 11
FACE O—O O O—O
BI-LEVEL O—O O—O—O
FOOT O—O O O—O
FOOT-DEF O O—O—O
DEF O O O O—O
If operation or continuity is not as specified, replace the servo motor.
FACE
BI-LEVEL
FOOT
FOOT/DEF
DEF