LO M1 M2
HI
OFF
To "DEF. or F/DEF."
OFF
AIR CONDITIONING
-
HEATER CONTROL ASSEMBLY
INSPECTION
1.
INSPECT BLOWER SPEED CONTROL SWITCH CON-
TINUITY
Switch position/ Circuit
OFF
LO
M1
M2
I11165
HI
Illumination circuit
If continuity is not as specified, replace the switch and check the
bulb.
2.
INSPECT DEF. MODE SWITCH
(a)
Check the continuity exists between terminals 1 and 3 of
the blower switch connector when turning the mode se-
lector to the DEF. position and F/DEF. position.
If no continuity exists, proceed to the next step.
I11166
(b)
Check the continuity exists between the terminals of the
A/C mode switch.
If no continuity exists, replace the A/C mode switch.
ON
If continuity exists, check or replace the heater control housing
base.
I11167
Tester connection
-
1 - 3
1 - 3 - 4
1 - 3 - 8
1 - 3 - 5
6 - 7
Author :
Date :
AC-103
AC27L-03
Specified condition
No continuity
Continuity
Continuity
Continuity
Continuity
Continuity
5130