Manual Dual Zone

MANUAL DUAL ZONE - LHD





The A/C-heater control (1) for the Manual Temperature Control (MTC) dual zone heating-A/C system allows both the driver and the front seat passenger the ability to individually regulate air temperature for their side of the vehicle. All controls are identified by International Standardization Organization (ISO) graphic symbols.

The MTC A/C-heater control and integral computer is located in the instrument panel and contains:

- two rotary control knobs for individual driver and front seat passenger temperature control of the discharged air (2).
- five push buttons for mode control of the discharged air (3, 4, 9, 10 and 11). Each mode control button contains an LED that illuminates when manually activated.
- a push button rear window defogger on/off control (5). The defogger button contains an LED that illuminates when the rear window defogger system is in operation.
- a push button air recirculation control (6). The Recirculation button contains an LED that illuminates when the recirculation function is manually activated.
- a rotary control knob for fan speed selection and turning the heating-A/C system off (7).
- a push button A/C on/off control (8). The A/C button contains an LED that illuminates when the A/C system is in operation.

Prior to replacing an A/C-heater control, check and repair any Diagnostic Trouble Codes (DTCs) related to the heating-A/C system and initiate the Actuator Calibration function to verify that the concern is not a system calibration issue HVAC System Test.

The MTC A/C-heater control cannot be repaired or adjusted and must be replaced if inoperative or damaged.