FRONT AIR MIX ACTUATOR INSPECTION

id074000805700


L.H.D.


Driver-side

1.  Set the temperature control to MAX COLD.

2.  Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)

3.  Remove the driver-side front air mix actuator. (See FRONT AIR MIX ACTUATOR REMOVAL/INSTALLATION.)

4.  Apply battery positive voltage and connect the ground to the driver-side front air mix actuator terminals as indicated in the table below and verify the operation condition.

B+ Terminal

Ground Terminal

Operation
D
E
COLD ? HOT
E
D
HOT ? COLD
ac9wzw00005022

5.  Verify that the resistance between terminals A and B, B and C matches the driver-side front air mix actuator operation as shown in the graph.

ac9wzw00004089
•  If the operation condition and resistance are not normal, replace the driver-side front air mix actuator. (See FRONT AIR MIX ACTUATOR REMOVAL/INSTALLATION.)


Passenger-side

1.  Set the temperature control to MAX COLD.

2.  Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)

3.  Remove the following parts:

(1)  Dashboard under cover (See DASHBOARD UNDER COVER REMOVAL/INSTALLATION.)
(2)  Glove compartment (See GLOVE COMPARTMENT REMOVAL/INSTALLATION.)
(3)  Passenger-side front heat duct (See FRONT HEAT DUCT REMOVAL/INSTALLATION.)

4.  Remove the passenger-side front air mix actuator. (See FRONT AIR MIX ACTUATOR REMOVAL/INSTALLATION.)

5.  Apply battery positive voltage and connect the ground to the passenger-side front air mix actuator terminals as indicated in the table below and verify the operation condition.

B+ Terminal

Ground Terminal

Operation
D
E
HOT ? COLD
E
D
COLD ? HOT
ac9wzw00005023

6.  Verify that the resistance between terminals A and B, B and C matches the passenger-side front air mix actuator operation as shown in the graph.

ac9wzw00004090
•  If the operation condition and resistance are not normal, replace the passenger-side front air mix actuator. (See FRONT AIR MIX ACTUATOR REMOVAL/INSTALLATION.)


R.H.D.


Driver-side

1.  Set the temperature control to MAX COLD.

2.  Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)

3.  Remove the driver-side front air mix actuator. (See FRONT AIR MIX ACTUATOR REMOVAL/INSTALLATION.)

4.  Apply battery positive voltage and connect the ground to the driver-side front air mix actuator terminals as indicated in the table below and verify the operation condition.

B+ Terminal

Ground Terminal

Operation
D
E
HOT ? COLD
E
D
COLD ? HOT
ac9wzw00005023

5.  Verify that the resistance between terminals A and B, B and C matches the driver-side front air mix actuator operation as shown in the graph.

ac9wzw00004090
•  If the operation condition and resistance are not normal, replace the driver-side front air mix actuator. (See FRONT AIR MIX ACTUATOR REMOVAL/INSTALLATION.)


Passenger-side

1.  Set the temperature control to MAX COLD.

2.  Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)

3.  Remove the following parts:

(1)  Dashboard under cover (See DASHBOARD UNDER COVER REMOVAL/INSTALLATION.)
(2)  Glove compartment (See GLOVE COMPARTMENT REMOVAL/INSTALLATION.)
(3)  Passenger-side front heat duct (See FRONT HEAT DUCT REMOVAL/INSTALLATION.)

4.  Remove the passenger-side front air mix actuator. (See FRONT AIR MIX ACTUATOR REMOVAL/INSTALLATION.)

5.  Apply battery positive voltage and connect the ground to the passenger-side front air mix actuator terminals as indicated in the table below and verify the operation condition.

B+ Terminal

Ground Terminal

Operation
D
E
COLD ? HOT
E
D
HOT ? COLD
ac9wzw00005022

6.  Verify that the resistance between terminals A and B, B and C matches the passenger-side front air mix actuator operation as shown in the graph.

ac9wzw00004089
•  If the operation condition and resistance are not normal, replace the passenger-side front air mix actuator. (See FRONT AIR MIX ACTUATOR REMOVAL/INSTALLATION.)