Components and Connectors (contd.)

Make

Alfa Romeo

Model

145/146 Electrical System Diagnosis Manual, Volume 3

Year

1994–2001

Section

Air Conditioner › Components and Connectors (contd.)

145 electrical system diagnosisComponents and Connectors (contd.)

Components and Connectors (contd.)

Climate control fan command	Q4 B	Minimum pressure switch	Q9
	Q4 B		Q9
				PPL • Q68 GRY-RED • Q69	1GRN-WHT • Q20 1GRN-WHT • G133a

Compressor electromagnetic joint	Q11	Min. and max. sensor pressure contact (Tinary)	Q20
	Q11		Q20
				1BRN • Q22	1GRY-YEL • G133a 1GRY-YEL • Q32 1GRN-WHT • Q9

Electromagnetic joint control relay	Q22	Climate control auxiliary relay	Q32
	Q22		Q32
				ORN • G313 ORN • Q32 10RN-BLK • Q32 1BRN-WHT • G133a 1BRN • Q11	ORN • Q22 ORN • G313 10RN-BLK • Q22 1GRY-YEL • G133a 1GRY-YEL • Q20 GRY • G313 1RED • Q65

Conditioning system wander fuse	Q65	Compressor and air recirculation engagement switches	G68
	Q65		G68
				1RED • Q32 4RED-BLK • G384	PPL • Q4 B 2.5BLK • G43 1BLK • Q69

01 Diagnostics