Speed sensor lead, front right: Diagnosis/troubleshooting
DIAGNOSIS TROUBLESHOOTING - FAULT CODE 4200, AS OF MY 2002
| Work instruction | Display OK | If not OK | ||
|---|---|---|---|---|
| 1 | Visual inspection |
|
Step 2 |
-> End |
| 2 | Check supply and signal leads of speed sensor for short circuit to B+ |
|
< 0.3 V Step 3 |
Short circuit to B+ between ABS control unit plug pin 15 or pin 16 and speed sensor pin 4 or pin 5 Repair wiring harness -> End |
| 3 | Check supply and signal leads of speed sensor for short circuit to ground |
|
Step 4 | Short circuit to ground between ABS control unit plug pin 15 or pin 16 and speed sensor pin 4 or pin 5 Repair wiring harness -> End |
| 4 | Check supply and signal leads of speed sensor for short circuit with respect to each other |
|
Step 5 | Short circuit with respect to each other between ABS control unit plug pin 15 and pin 16 or speed sensor pin 4 and pin 5 Repair wiring harness -> End |
| 5 | Check supply and signal leads of speed sensor for open circuit |
|
< 5 Step 6 |
Open circuit between ABS control unit plug pin 15 and speed sensor pin 4 or between ABS control unit plug pin 16 and speed sensor pin 5 Repair wiring harness -> End |
| 6 |
|
-> End | If the same fault occurs again after replacing the speed sensor properly Step 7 |
|
| 7 |
|
-> End | ||