1. |
Turn the ignition switch OFF.
|
2. |
Disconnect the mode control actuator connector.
|
3. |
Verify that the mode control actuator operates to the defog mode
when connecting 12V to terminal 4 and grounding terminal 3.
Verify that the mode control actuator operates to the vent mode
when connecting in the reverse.
|
4. |
Connect the mode control actuator connector.
|
5. |
Turn the ignition switch ON.
|
6. |
Check the voltage between terminal 6 and 7.
Specification
With auto defogging activated
With auto defogging deactivated
It will feedback current position of 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.
|
Rubber Parts And Tubes
Always prevent gasoline or from touching rubber parts or tubing.
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