Disconnect the temperature control actuator connector.
3.
Verify that the temperature control actuator operates to the
cool position when 12V is connected to terminal 3 and ground to terminal
7.
Verify that the temperature control actuator operates to the warm position when connected in reverse.
1. - 2. - 3. Cool position 4. Sensor (+ 5V)
5. Feedback signal 6. Sensor ground 7. Warm position
4.
Connect the temperature control actuator connector.
5.
Turn the ignition switch ON.
6.
Check the voltage between terminals 5 and 4.
Specification
Door Position
Voltage (V)
Error Detecting
Max. cooling
0.3±0.15
Low voltage : 0.1V or less High voltage : 4.9V or more
Max. heating
4.7±0.15
It will feedback the current position of the actuator to controls.
7.
If the temperature control actuator does not operate well,
substitute with a known-good temperaturecontrol actuator and check for
proper operation. Use the replaced actuator if it performs well.
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
3.
Remove the driver''s side shower duct (A) after loosening the screw.
4.
Disconnect the connector (A) and then remove the temperature control actuator (B) after loosening the mounting screws.
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 ...
Description
Located in the heater unit, the mode control actuator adjusts
the position of the mode door by operating the mode control actuator
according to the signal from the A/C control unit. ...
Specification
ItemSpecificationONRated Voltage (V)450Rated Current (A)10Voltage Drop (V)Less than 0.5 (200A)CoilOperation Voltage (V)12Resistance (?)104.4 ~ 127.6 (20°C)
ItemSpecificationNoteHeater Relay Switch Resistance (?)?Checkable by multi testerHeater Relay Operation Sound"Clickin ...
Inspection
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
3.
Remove the lower crash pad switch assembly (A) by pushing it.
4.
Disconnect the connectors (A) from the lower crash pad switch assembly.
5 ...