DTC 26
DTC 26: ABS Modulator Control Unit or Wire Harness1. Clear the DTC.
2. Test-drive the vehicle, and watch for the VTM-4 indicator.
Does the VTM-4 indicator come on?
YES-Go to step 3.
NO-The system is OK at this time.
3. Watch the ABS indicator.
Does the ABS indicator come on?
YES-Inspect the ABS system.
NO-Go to step 4.
4. Raise the vehicle, and make sure it is securely supported.
5. Turn the ignition switch ON (II).
6. Measure the voltage between the A2, A4, A6, and A8 terminals of the VTM-4 control unit and body ground while rotating the appropriate wheel one rotation a second.
Are all four readings 2 V to 3 V?
YES-Check for loose terminal fit in the VTM-4 control unit. If it is normal, replace the VTM-4 control unites
NO-Check for loose wires or poor connections between the VTM-4 control unit and the ABS control unit. If it is normal, replace the ABS modulator assembly.