Fault-finding table

Make

Alfa Romeo

Model

145/146 Electrical System Diagnosis Manual, Volume 3

Year

1994–2001

Section

Power Windows › Fault-finding table

145 electrical system diagnosisFault-finding table · page 1 of 3

FAULT-FINDING TABLE

Fault	Component to be checked
G310	F17	F22	P14	P15	N38	B21a	B21b	I12	B53
	•	•	•	•	•	•	•	•	•
LH power window, under all circumstances	●	●	●	●	●
LH power window	●	●	●	●
RH power window	●	●	●	●

CHECKING COMPONENTS

Power window control unit N38

Checking the device:

• test A (for fusebox "A")
• test B (for fusebox "B")

Power window switches B21a B21b B53

SPECIFICATIONS

Checking operation:

• at rest : continuity between pin 3 and 1 and between pins 2 and 5, a.c. between the other pins
• operating up button: continuity between pins 4 and 1; a.c. between the other pins
• operation down button: continuity between pins 4 and 2; a.c. between the other pins

01 Diagnostics