General system malfunction
- Make
- Alfa Romeo
- Model
- 155 Factory Service Manual
- Year
- 1992–1998
- Section
- Fault diagnosis › General system malfunction
Electrical 30 – ABSGeneral system malfunction
GENERAL SYSTEM MALFUNCTION
| TEST STEP | RESULT | Corrective Action | |
|---|---|---|---|
| A1 | Check Relay | OK | Carry out step A2 |
| - Check the safety relay (in group N51) | NOT OK | Replace the relay if faulty | |
| A2 | Check Voltage | OK | Carry out step A3 |
| - Check for 12 V at pin 2 of G272 | NOT OK | Restore wiring between pin 2 of G272 and terminal board G56 (RED) | |
| A3 | Check Voltage | OK | carry out step A4 |
| - Engage the ignition key and check for 12 V at pin 1 of G272 | NOT OK | Restore wiring between pin 1 of G272 and ignition block B1, across pin 4 of G124 (PNK-BLK and GRY-BLK) | |
| A4 | Check Ground | OK | carry out step A5 |
| - Check that G202 is grounded | NOT OK | Restore wiring between G202 and ground G53b (BLK) | |
| A5 | Check Ground | OK | carry out step A6 |
| - Check that pin 3 of G272 is grounded | NOT OK | Restore wiring between pin 3 of G272 and ground G53b (BLK) | |
| A6 | Check Continuity | OK | carry out step A7 |
| - Check continuity between pin 12 of G273 and pin A of connector T1 | NOT OK | Restore wiring between pin 12 of G273 and pin A of connector T1 (LTB-WHT) | |
(continues)
Parts & tools for this job For 1992 Alfa Romeo 155
- TOOLOBD2 scanner with ABSSearch: OBD2 scanner ABS SRS
- TOOLDigital multimeterSearch: automotive digital multimeter
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