RDX AWD L4-2.3L Turbo (2010)
NO -
Repair an open in the wire between the climate control unit and the MICU.
13. Turn the ignition switch to LOCK (0).
14. Reconnect climate control unit connector A (24P).
15. Set the A/C button and fan control switch to ON, then turn the ignition switch to ON (II).
16. Measure the voltage between climate control unit connector A (24P) terminal No. 17 and body ground.
Is there 0.5 V or less?
YES -
Replace the under-dash fuse/relay box See: Maintenance/Fuses and Circuit Breakers/Relay Box/Service and Repair/Under-Dash Fuse/Relay Box
Removal/Installation.
NO -
Check for loose wires or poor connections at the climate control unit connector A (24P). If the connections are good, substitute a known-good climate
control unit, and recheck. If the symptom/indication goes away, replace the original climate control unit See: Heating and Air Conditioning/Control
Assembly/Service and Repair/Climate Control Unit Removal/Installation.