Workshop Manuals Factory service & repair Alfa Romeo
Alfa Romeo 145/146 Electrical System Diagnosis Manual, Volume 3 (1994-2001)02 · 146 electrical system diagnosis
02 · Diagnostics

Faultfinding table (page 2 of 2)

Make
Alfa Romeo
Model
145/146 Electrical System Diagnosis Manual, Volume 3
Year
1994–2001
Section
Indicators And Hazard
146 electrical system diagnosisFaultfinding table · page 2 of 2
HAZARD WARNING LIGHT AND INDICATOR FLASHER (N13)TEST A
TEST PROCEDURERESULTCORRECTIVE ACTION
A1CHECK VOLTAGE
– Disconnect the flasher N13 and on the base check for 12V at pin 30 of N13		OKCarry out step A2
NOT OKCheck fuse F1 from fusebox G1. If necessary
A2CHECK EARTH
– Check for 0 V at pin 31 of N13		OKCarry out step A3
NOT OKRestore the wiring between N13 and earth G148b
A3CHECK INTERMITTENT VOLTAGE
– With the ignition key turned, operate the RH indicator and check for 12 V at pin 15R of N13; operate the LH indicator in the same way, check pin 15L of N13		OKCarry out step A4
NOT OKRestore the wiring between N13 and lever unit B68, or replace the latter
A4CHECK EARTH
– Operate the hazard warning light switch and check for 0V at pin HWS of N13		OKInsert device N13 on its base and continue with oseguire step A5
NOT OKRestore the wiring between N13 and the switch in panel C16, or change the latter
A5CHECK INTERMITTENT VOLTAGE
– Operate the RH indicator and check for intermittent 12V at pin R of N13; do the same operating the LH indicator at pin L and operating the hazard warning lights at both pin R and pin L		OKDEVICE N13 IS WORKING PROPERLY. Check the connections with the other components
NOT OKCHANGE DEVICE N13

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

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