Contents Wiring diagrams Section: Automatic HVAC System All sections

Automatic Temperature Control (atc) & Comfort Land Rover Range Rover L322

General

The 'Comfort' Automatic Temperature Control (ATC) system is controlled by the ATC ECU, which is located behind the center console. In addition to the features included on the low line system, the 'Comfort' ATC system also features a second coolant valve, a pollution sensor, and a rear blower unit.

The 'Comfort' ATC system is fully automatic, with separate temperature settings for the LH and RH sides of the passenger compartment. Manual override is available for blower speed, air recirculation, and air distribution.

A Fuel Burning Heater (FBH) is fitted as standard on Td6 vehicles, and as an option on V8 vehicles. For more information on FBH operation, refer to FUEL BURNING HEATER (FBH) - V8 .

For more details on ATC operation, refer to AIR CONDITIONING - COMPONENT LOCATIONS .

Power Distribution

Feed from the positive battery terminal (C0192) is supplied to the following on an R wire

z Fusible link 5.

z Maxi fuse 61.

z Maxi fuse 64.

z Fuse 12.

z Fuse 53.

All are located in the passenger compartment fuse box (C0632). Maxi fuse 61 (C0581) provides a constant battery feed to the cooling fan control unit (C0005) on an RU wire. Maxi fuse 64 (C0580) provides a constant battery feed to the front blower motor control unit (C2281) on an RU then YG wire.

Fuse 12 (C0586) provides a constant battery feed to the ATC ECU (C1630) on an RP wire.

The ATC ECU (C1630) is earthed on an N wire.