MDX V6-3471cc 3.5L (2002)
4. Check for continuity between display unit connector B terminal No.3 and climate control unit connector A terminal No.15.
Is there continuity?
YES - Go to step 5.
NO - Repair open in the wire between climate control unit connector A terminal No.15 and display unit connector B terminal No.3.
5. Check for continuity between display unit connector B terminal No.4 and climate control unit connector A terminal No.8.
Is there continuity?
YES - Check for these problems:
-
A short to ground in the RED/GRN wire.
-
A short to ground in the GRN/ORN wire.
-
A short to ground in the YEL/BLU wire.
If the wires are OK, replace the display unit.
NO - Check for these problems:
-
A faulty outside air temperature sensor input to the climate control unit.
-
A faulty climate control unit.
-
A faulty outside air temperature sensor.
