Inspection |
1. |
Turn the ignition switch OFF. |
2. |
Disconnect the mode control actuator connector. |
3. |
Verify that the mode control actuator operates to the defrost mode when 12V is connected to terminal 3 and ground to terminal 7.
Verify that the mode control actuator operates to the vent mode when connected in reverse.
|
4. |
Connect the mode control actuator connector. |
5. |
Turn the ignition switch ON. |
6. |
Check the voltage between terminals 5 and 4.
It will feedback the current position of the actuator to controls. |
7. |
If the measured voltage is not within specification,
substitute with a known-good mode control actuator and check for proper
operation. |
8. |
Replace the mode control actuator if it is proved that there is a problem with it. |
Replacement |
1. |
Remove the rear heater & A/C unit.
(Refer to Rear Heater - "Rear Heater Unit") |
2. |
Disconnect the rear mode control actuator connector (A) and
then remove the rear mode control actuator (B) after loosening the
screws. |
3. |
Install in the reverse order of removal. |
Crankshaft Repair procedures
Disassembly
•
Use fender covers to avoid damaging painted surfaces.
•
To avoid damage, unplug the wiring connectors carefully while holding the con ...
Temperature Control Actuator Description and Operation
Description
The heater unit includes mode control actuator and temperature control actuator.
Located in the heater unit, the temperature control actuator regulates the temperature in the following ...