Pinpoint Test 4: 4WD Control Module Received No/Invalid Data From Abs Module: Testing
CAUTION:
- This test must be carried out on a hard surface in a vacant area without traffic.
NOTE:
- Conduct steps 1-7 outlined in Inspection and Verification prior to performing this test.
PINPOINT TEST PROCEDURE (4WD CONTROL MODULE RECEIVED NO/INVALID DATA FROM ABS MODULE)
| PINPOINT TEST 4 | 4WD CONTROL MODULE RECEIVED NO/INVALID DATA FROM ABS MODULE | ||
|---|---|---|---|
| STEP | INSPECTION | ACTION | |
| 1 | CHECK WHEEL SPEED SENSORS Key in ON position. Enter the following diagnostic mode on the diagnostic tool: PID/DATA Monitor and Record. Monitor the wheel speed sensors while driving the vehicle at a constant 32 km/h (20 mph). Do the 4 wheel speed sensors match the speedometer and are they with in 3 km/h (1.8 mph) of each other? |
Yes | The system is operating correctly at this time. CLEAR the DTCs. REPEAT the self-test. |
| No | See SYMPTOM TROUBLESHOOTING CHART -- ABS for further diagnosis of the ABS system. | ||