DTC Troubleshooting: B1031
DTC Troubleshooting: B1031
| DTC B1031: | Ultrasonic Sensor Malfunction |
| 1. | Check the No. 7 (10A) fuse in the under-dash fuse/relay box. Is the fuse OK? YES - Go to 2. NO - Replace the fuse and recheck for DTCs.n |
| 2. | Check for continuity between the ultrasonic sensor No. 4 terminal and body ground. ULTRASONIC SENSOR 4P CONNECTORWire side offemale terminalsBLK Is there continuity? YES - Go to 3. NO - Repair a short in the BLK wire.n |
| 3. | Check for continuity between the ultrasonic sensor No. 1 terminal and body ground. ULTRASONIC SENSOR 4P CONNECTORWire side offemale terminalsWHT/RED Is there continuity? YES - Go to 4. NO - Repair a short in the WHT/RED wire.n |
| 4. | Check for continuity between the ultrasonic sensor No. 2 terminal and alarm control siren No. 3 terminal. ALARM CONTROL SIREN 4P CONNECTORTerminal side ofmale terminalsULTRASONIC SENSOR 4P CONNECTORWire side of female terminalsGRN Is there continuity? YES - Faulty ultrasonic sensor; Replace the ultrasonic sensor.n NO - Repair an open in the GRN wire between the alarm control siren and ultrasonic sensor.n |