Workshop Manuals Factory service & repair Alfa Romeo
Alfa Romeo 145/146 Electrical System Diagnosis Manual, Volume 3 (1994-2001)01 · 145 electrical system diagnosis
01 · Diagnostics

Diagnosis with flashing codes (page 2 of 2)

Make
Alfa Romeo
Model
145/146 Electrical System Diagnosis Manual, Volume 3
Year
1994–2001
Section
Airbag
145 electrical system diagnosisDiagnosis with flashing codes · page 2 of 2
PRELIMINARY CHECKS ON THE AIR BAG SYSTEMTEST A
TEST PROCEDURERESULTCORRECTIVE ACTION
A1CHECK FUSE
– Check the intactness of fuse F15 of fusebox G1		OKCarry out step A2
NOT OKChange the fuse
A2CHECK CONTINUITY
– Check continuity of the cable between fusebox G1 connector D, and the Air Bag control unit R22 (pin 9 BECKER - pin 15 TRW)		OKCarry out step A3
NOT OKRestore wiring continuity
A3CHECK CONTINUITY
– Check continuity of the cable between the control unit R22 (pin 8 - BECKER - pin 14 TRW) and earth G381		OKCarry out step A4
NOT OKRestore wiring continuity
A4WARNING LIGHT
– Check that the warning light is intact in the instrument cluster C10		OKCarry out step A5
NOT OKChange the instrument cluster C10
A5CHECK CONTINUITY
– Check the continuity of the cables between module R27 and the control unit R22		OKCarry out step A6
NOT OKRestore wiring continuity
A6CHECK CONTINUITY
– Check continuity of the cables between module R23 and control unit R22		OKCONNECT TO THE DIAGNOSIS SOCKET T3 AND CONTINUE OPERATIONS WITH THE ALFA TESTER OR WITH THE FLASHING CODE with control unit BECKER
NOT OKRestore wiring continuity

Parts & tools for this job For 1994 Alfa Romeo 145/146

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