Diagnostic Test
- 1) VERIFY DTC IS ACTIVE
Turn the ignition on.
With the scan tool, read and record ABS DTCs.
With the scan tool, read and record Environmental Data (EV Data).
With the scan tool, erase ABS DTCs.
Cycle the ignition switch.
WARNING: Ensure brake capability is available before road testing.Test drive the vehicle by turning the vehicle left or right in a curving manner at a velocity between 10 and 20 km/hr (6 and 12 m.p.h.).
Park the vehicle.
With the scan tool, read ABS DTCs.
Does this DTC reset?
Yes
- Go To 2).
No
- Refer to ABS INTERMITTENT CONDITION .
- Perform ABS VERIFICATION TEST - VER 1 .
- 2) CHECK THE DYNAMICS SENSOR INSTALLATION NOTE: Dynamics Sensor installation and mounting bolt torque is crucial for proper operation.
Turn the ignition off.
Check the Dynamics Sensor for damaged, modified, and bent mounting brackets.
Check the Dynamics Sensor mounting bolts for a loose or over tightened condition.
Were any problems found?
Yes
- Repair as necessary.
- Perform ABS VERIFICATION TEST - VER 1 .
No
- Go To 3).
- 3) CHECK DYNAMICS SENSOR OUTPUT CAUTION: All previously removed connectors must be connected before test driving the vehicle.
Connect all previously disconnected components and connectors.
WARNING: Ensure brake capability is available before road testing.Monitor Dynamics Sensor operation while an assistant drives the vehicle.
Is Lateral Sensor output between 0.02 G to 0.16 G and Yaw Sensor output between 1.30° to 5.70°
Yes
- Replace the Anti-Lock Brakes Module in accordance with the Service Information.
- Perform ABS VERIFICATION TEST - VER 1 .
No
- Replace the Dynamics Sensor in accordance with the Service Information.
- Perform ABS VERIFICATION TEST - VER 1 .