MDX V6-3471cc 3.5L (2002)
Compressor Clutch: Testing and Inspection
Non-Trouble Code Procedures
Compressor Clutch Circuit Troubleshooting
1. Check the No.59 (7.5A) fuse in the under-hood fuse/relay box, and the No.3 (7.5A) fuse in the driver's under-dash fuse/relay box.
Are the fuses OK?
YES - Go to step 2.
NO - Replace the fuse(s), and recheck.
2. Check the engine coolant temperature (use the Honda PGM Tester PGM-FI data list if possible).
Is the coolant temperature above normal?
YES - Troubleshoot and repair the cause of the high engine coolant temperature.
NO - Go to step 3.
3. Remove the compressor clutch relay from the under-hood fuse/relay box, and test it.
Is the relay OK?
YES - Go to step 4.
NO - Replace the compressor clutch relay.
4. Measure the voltage between the No.1 terminal of the compressor clutch relay 4P socket and body ground.
Is there battery voltage?
YES - Go to step 5.
NO - Replace the under-hood fuse/relay box.
5. Connect the No.1 and No.2 terminals of the compressor clutch relay 4P socket with a jumper wire.
Does the compressor clutch click?
