62C-45
AFTER REPAIR Carry out a full check with the diagnostic tool.
V1
MR-453-X79-62C000$080.mif
CLIMATE CONTROL
Fault finding – Fault finding chart
62C
ALP 5
CONTINUED 2
Check for +12 V on connection
S1 of component 319.
Is the result of the check correct?
Carry out a continuity test on
connection S1 between
components 233 and 319.
Is the result of the check
correct?
Repair the wiring. If there is a
repair method (see Technical
Note 6015A, Repairing
electrical wiring, Wiring:
Precautions for repair),
repair or replace the wiring.
Replace the cold air blowing device
relay (component code 233).
Make sure that the control panel speed selection button works properly.
Position the speed selection button on speed 1 and carry out a continuity test between connection S1 and
connection 38AH of component 319.
Position the speed selection button on speed 2 and carry out a continuity test between connection S1 and
connection 38AJ of component 319.
Position the speed selection button on speed 3 and carry out a continuity test between connection S1 and
connection 38AK of component 319.
Position the speed selection button on speed 4 and carry out a continuity test between connection S1 and
connection 38AL of component 319.
Position the speed selection button on speed 4 and carry out a continuity test between connection S1 and
connection 38DB of component 319.
Are the checks correct?
Replace the air conditioning control panel.
B
NO
NO
YES
YES
C
YES
NO
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