Climate Control Unit Inputs and Outputs

WARNING: This page is about a different car, the 2008 Acura TSX, 2007 Acura TSX, 2006 Acura TSX, 2005 Acura TSX, and 2004 Acura TSX. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Audio-HVAC Display Panel Connectors Terminals

Courtesy of AMERICAN HONDA MOTOR CO., INC.

NOTE: For audio-HVAC display panel connector location, go to SYSTEM DESCRIPTION Audio Unit Connector Replacement; with navigation , without navigation (see AUDIO UNIT CONNECTOR INPUTS AND OUTPUTS ).

CONNECTOR A (◦ on Circuit Diagram)

CONNECTOR A (◦ ON CIRCUIT DIAGRAM)

Cavity

Wire color

Signal

PNK/BLK⁽¹⁾ PNK⁽²⁾

DRIVER'S AIR MIX POTENTIAL

INPUT

YEL⁽¹⁾ WHT⁽²⁾

PASSENGER'S AIR MIX POTENTIAL

INPUT

BLU⁽¹⁾ LT GRN⁽²⁾

A/C PRESSURE SWITCH

OUTPUT

YEL/BLU⁽¹⁾ PUR⁽²⁾

MODE DEF

OUTPUT

YEL/RED⁽¹⁾ LT GRN⁽²⁾

MODE VENT

OUTPUT

GRN

DRIVER'S AIR MIX COOL

OUTPUT

PNK/BLU⁽¹⁾ BLU⁽²⁾

DRIVER'S AIR MIX HOT

OUTPUT

YEL/BLK⁽¹⁾ ORN⁽²⁾

PASSENGER'S AIR MIX COOL

OUTPUT

LT BLU⁽¹⁾ GRY⁽²⁾

IN-CAR TEMPERATURE SENSOR

INPUT

PNK⁽¹⁾ RED⁽²⁾

OUTSIDE AIR TEMPERATURE SENSOR

INPUT

ORN

SUNLIGHT SENSOR

INPUT

BRN

EVAPORATOR TEMPERATURE SENSOR

INPUT

RED/BLK⁽¹⁾ RED⁽²⁾

SENSOR COMMON GROUND

OUTPUT

YEL/GRN⁽¹⁾ YEL⁽²⁾

MODE 4

INPUT

WHT/BLU⁽¹⁾ WHT⁽²⁾

MODE 3

INPUT

RED/BLU⁽¹⁾ LT BLU⁽²⁾

MODE 2

INPUT

RED/YEL⁽¹⁾ RED⁽²⁾

MODE 1

INPUT

GRY

AIR MIX POTENTIAL +5 V

OUTPUT

LT GRN

PASSENGER'S AIR MIX HOT

OUTPUT

⁽¹⁾

'04 model

⁽²⁾	'05-08 models

CONNECTOR B (□ on Circuit Diagram)

CONNECTOR B (□ ON CIRCUIT DIAGRAM)

Cavity

Wire color

Signal

BLU/YEL⁽¹⁾ LT GRN⁽²⁾

POWER TRANSISTOR CONTROL

OUTPUT

BLU/RED⁽¹⁾ PUR⁽²⁾

BLOWER FEEDBACK

INPUT

BLK/YEL⁽¹⁾ YEL⁽²⁾

IG2 (Power)

INPUT

BLK

GROUND (G503)

INPUT

RED/BLK

TAILLIGHT RELAY

INPUT

GRN/WHT⁽¹⁾ GRN⁽²⁾

FRESH

OUTPUT

LT GRN/RED⁽¹⁾ ORN⁽²⁾

RECIRCULATE

OUTPUT

RED

GAUGE ASSEMBLY

OUTPUT

LT BLU

GAUGE CONTROL MODULE

INPUT

⁽¹⁾

'04 model

⁽²⁾	'05-08 models