Faultfinding table

Make

Alfa Romeo

Model

145/146 Electrical System Diagnosis Manual, Volume 3

Year

1994–2001

Section

Heated Screen-Mirror › Faultfinding table

145 electrical system diagnosisFaultfinding table

FAULTFINDING TABLE

Failure	Component to be checked
	F12	I2	B68	O1	I45	G394	O19	O18	C10 (*)
Defrosting, under all circumstances	●	●	●
Rearscreen defrosting				●
Defrosting the wing mirrors				●	●
LH wing mirror defrosting						●
RH wing mirror defrosting							●
Rearscreen warning light								●

(*) The instrument cluster C10 cannot be repaired. Therefore, in the event of a failure it is not possible to change the single warning light and a new, complete cluster must be fitted.

CHECKING COMPONENTS

Heated rearscreen O1

SPECIFICATIONS
Max. absorbed current	15 ± 1 A
Defrosting resistance (between terminals A and B)	0.7 ± 1 Ω

Wing mirrors defrosting O18 O19

SPECIFICATIONS
Defrosting resistance (between pins F and B of connector)	10 Ω

01 Diagnostics