Heating and Air Conditioning: Adjustments

1. Remove glove box and reinforcement from vehicle.





2. Replace A/C wire harness connection for test.
a Disconnect the white single terminal connectors at the heater assembly.
b. Connect the check connector (Green-Black) to the above mentioned male single terminal connector (White-Red).





3. Place temperature control lever at 25°C (77°F) position.
4. Run engine at idle.
5. Turn on blower switch to auto position.





6. Check automatic temperature control system.
a. Verify that the guide plate on the servo motor is positioned at the mark "O". (between the "R" and "W")
b. If the guide plate position is not at the mark "0", adjust as follows.





7. Adjust automatic temperature control system.
a. Disconnect the A/C wire harness from the System amplifier.
b. Adjust automatic temperature control system by changing the terminal position in the above mentioned A/C wire harness.





NOTE: Normally the adjusting terminal is in the 10 terminal position.





c. If the guide plate position is over the "R" area, install the adjusting terminal into the 9 position.





d. If the guide plate position is over the "W" area, install the adjusting terminal into the 2 position.

8. Reassemble.
a. Reconnect the A/C wire harness to the System amplifier.
b. Disconnect the check connector from the A/C wire harness.
c. Reconnect the White-Red connectors.
d. Install the glove box and reinforcement.