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7D-26 AUTOMATIC CONTROL HVAC SYSTEM
Step
Check continuity in the harness between the controller connectors and
10
the air mix door motor connector.
Is there a problem with the wiring?
Repair the problem found with the wiring and replace as needed.
11
Is the repair complete?
1. Reconnect the FATC harness connectors to the controller.
2. Reconnect the air mix door motor to the FATC harness.
3. Turn the ignition to ON.
12
4. Measure the voltage between ground and terminal B5 at the control-
ler by backprobing the connector.
Is the voltage within the specified value?
Repair the problem found between the controller connector wiring and
air mix door connector wiring.
13
Is the repair complete?
1. Set the temperature controller to LO.
2. Measure the voltage between ground and terminal A15 at the
controller by backprobing the connector. (Specified voltage : 12 V)
3. Raise the temperature setting on the controller to HI and measure
the voltage. (Turn to 0V)
14
4. Measure the voltage between ground and terminal A9 at the control-
ler. (Specified voltage : 12 V)
5. Change the temperature setting on the controller to LO and measure
the voltage. (0 V)
Is the voltage within the specified value?
Recheck all wiring circuits between the controller and the air mix door
motor with changing the temperature setting.
15
Does the air mix door operate normally?
Replace the air mix door motor.
16
Is the repair complete?
Recheck all wiring circuits between the controller and the air mix door
motor.
17
Is there a problem in the wiring or the connectors?
Repair the problem in the wiring between the FATC controller and the
air mix door motor.
18
Is the repair complete?
Recheck the air mix door motor.
19
Is there a problem in the air mix door motor?
Replace the air mix door motor.
20
Is the repair complete?
1. Install the components.
2. Perform the diagnostic test of the controller.
21
Does the DTC reset?
Air Mix Door Error (Cont'd)
Action
Yes
No
Go to Step 11
Go to Step 12
System OK
-
Go to Step 14
0 - 5 V
Go to Step 13
System OK
-
Go to Step 15
Go to Step 17
System OK
Go to Step 6
System OK
-
Go to Step 18
Go to Step 19
System OK
-
Go to Step 16
Go to Step 21
System OK
-
Go to Step 16
System OK
SSANGYONG Y200
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