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Honda Fit/Jazz - A/C Compressor Clutch Circuit Troubleshooting (Without ETCS)
Online Honda Fit/Jazz 2002-2005 Workshop repair manual used by professionals.
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Snip from the Manual
A/C Compressor Clutch Circuit Troubleshooting
1.Check the No. 11 (30A) fuse in the under-hood fuse/relay box, and the No. 22 (30A) fuse in the under-dash fuse/relay box.Are the fuses OK?
YES - Go to 2.
NO - Replace the fuse(s), and recheck.n
2.Check the engine coolant temperature (use the Honda PGM Tester PGM-FI data list if possible).
Is the coolant temperature above nomal?
YES - Troubleshoot and repair the cause of the high engine coolant temperature.n
NO - Go to 3.
Remove the compressor clutch relay from the under-hood fuse/relay box, and test it.
Is the relay OK?
YES - Go to 4.
NO - Replace the compressor clutch relay.n
4.Measure the voltage between the No. 2 terminal of the compressor clutch relay 5P socket and body ground.
IMAGE REPLACED HERE
Is there battery voltage?
YES - Go to 5.
NO - Replace the under-hood fuse/relay box.n
5.Connect the No. 1 and No. 2 terminals of the compressor clutch relay 5P socket with a jumper wire.
IMAGE REPLACED HERE
Does the compressor clutch click ?
YES - Go to 6.
NO - Go to 14.
6.Disconnect the jumper wire.
7.Turn the ignition switch ON (II).
8.Measure the voltage between the No. 5 terminal of the compressor clutch relay 5P socket and body ground.
IMAGE REPLACED HERE
Is there battery voltage?
YES - Go to 9.n
NO - Repair open in the wire between the No. 22 fuse in the under-dash fuse/relay box and the compressor clutch relay.n
9.Turn the ignition switch OFF.
10.Reinstall the compressor clutch relay.
11.Make sure the A/C switch is OFF.
12.Turn the ignition switch ON (II).
13.Measure the voltage between the No. 18 terminal of ECM/PCM connector E (31P) and body ground with the ECM/PCM connectors connected.
IMAGE REPLACED HERE
Is there battery voltage?
YES - Check for loose wires or poor connections at ECM/PCM connector E (31P). If the connections are good, substitute a known-good ECM/PCM, and recheck. If the symptom/indication goes away, replace the original ECM/PCM.n
NO - Repair open in the wire between the compressor clutch relay and the ECM/PCM.n
14.Disconnect the jumper wire.
15.Disconnect the compressor clutch 1P connector.
16.Check for continuity between the No. 1 terminal of the compressor clutch relay 5P socket and the No. 1 terminal of the compressor clutch 1P connector.
IMAGE REPLACED HERE
Is there continuity?
YES - Check the compressor clutch clearance, the thermal protector, and the compressor clutch field coil.n
NO - Repair open in the wire between the compressor clutch relay and the compressor clutch.n