Toyota Celica Supra 1986 Service And Repair Manual page 612

BE-64
'"'3
6
-
2
5
L\i
BODY ELECTRICAL SYSTEM - Heater
2.
INSPECT RELAY OPERATION
(a) Apply battery voltage across terminals 1 and 3.
No
contin.,;ty
(b) Check that there i. s continuity between terminols 4
llOOll
1 '-
4
...
=
0
-
and 5.
(c) Check that there is no continuity between torminak
2 and 4 .
If operation is not as specified, replace the relay.
Heater Blower Resistor
INSPECTION OF HEATER BLOWER RESISTOR
INSPECT RESISTOR CONTI NUITY
Check that there is continuity between terminals 1 and
3.
If there is no continuity, replace the resistor.
Heater Control
ADJUSTMENT OF HEATER CONTROL
SET A IR INLET DAMP ER
Set the air inlet damper and control lever to "FRESH".
SET MODE SE LECTOR DAMPER
Set the mode selector damper and control lever to " VENT".
SET BALANCE DAMPER
Set the balance damper and control lever to the
c:enw
position.
TEST CONTROL CAB LE OPERATION
-~
Move
th~
control level'1 left and right and check for still·
ness and binding through full range of the levers.