Odyssey EX V6-3.5L (1999)
relay and the rear heater-A/C passenger's control panel.
Rear Blower Motor Middle Speed Circuit Troubleshooting
1. Remove the rear blower unit.
2. Remove the rear blower motor middle relay, and test it.
Is the relay OK?
YES-Go to step 3.
NO-Replace the rear blower motor middle relay.
3. Disconnect the rear blower resistor.
4. Measure the resistance between the No.1 and No.4 terminals of the rear blower resistor.
Is there approximately 1.4 ohm?
YES-Go to step 5.
NO-Replace the rear blower resistor.
5. Check for continuity between the No.4 terminal of the rear blower resistor 5P connector and the No.2 terminal of the rear blower motor middle
relay 5P socket.
Is there continuity?
YES-Go to step 6.
NO-Repair open in the wire between the rear blower resistor and the rear blower motor middle relay.