| DTC P1887: | Problem in VABS Circuit |
| 1. | Check whether the ABS DTC is indicated. Is the ABS DTC indicated? YES - Perform the ABS troubleshooting for the indicated DTC, and recheck for DTC P1887 after troubleshooting. NO - Go to 2. |
| 2. | Turn the ignition switch OFF. |
| 3. | Check for continuity between PCM connector terminals A23 and body ground, and between A24 and body ground.
Is there continuity? YES - Go to 4. NO - Repair open in the wire between PCM connector terminals A23 and A24, and ground (G101), or repair poor ground (G101).n |
| 4. | Lift up the vehicle, and allow the wheels to rotate freely. |
| 5. | With driving the vehicle, measure the voltage between PCM connector terminals A18 and A23 or A24.
Is there pulsing voltage between 0-5 V? YES - Update the PCM if it does not have the latest software, or substitute a known-good PCM, then recheck. If the symptom/indication goes away with a known-good PCM, replace the original PCM.n NO - Go to 6. |
| 6. | Disconnect ABS control unit connector. |
| 7. | With driving the vehicle while lifting the vehicle up, measure the voltage between ABS control unit connector terminal No. 15 and body ground.
Is there voltage? YES - Check for loose terminal fit in the ABS control unit connector.n NO - Repair open in the wire between PCM connector terminal A18 and ABS control unit.n |