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AC–68
AIR CONDITIONING SYSTEM – TROUBLESHOOTING
4 Check continuity of switch circuit in A/C control assembly.
P Remove A/C control assembly and disconnect connectors.
C 1. Push the control switch on or Off.
2. Check continuity between terminals as follows.
Switch SW1 SW2 SW3 SW4 SW5 SW6 SW7
H13-7 H13-2 H12-13 B13-9 H13-10 B13-1 H12-16
OFF O— —O
R/F O— —O
DEF O— —O
FOOT O— —O
F/D O— —O
A/C O— —O
RDEF O— —O
FACE O— —O
FAND- O— —O
AUTO O— —O
B/L O— —O
FAND+ O— —O
FAND – : Turn fan speed dial counterclockwise.
FAND + : Turn fan speed dial clockwise.
OK Switch Check result
ON Continuity
OFF No continuity
OK
NG Repair or replace A/C control assembly.
Check and replace A/C amplifier.