NO -
Go to step 29.
29. Check for DTCs with the HDS.
Is DTC 49 indicated?
YES -
Go to step 31.
NO -
Go to step 30.
30. Check for DTCs with the HDS.
Is DTC 60, 110, or 111 indicated?
YES -
Troubleshoot the indicated DTC(s).?
NO -
Troubleshoot the brake pedal position switch signal circuit See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Component Tests and General Diagnostics/Brake Pedal Position Switch Signal Circuit Troubleshooting.?
31. Measure the voltage between ACC unit 20P connector terminals No. 3 and No. 6. There should be voltage between 0.4 - 0.6 V.
Is the voltage as specified?
YES -
Go to step 32.
NO -
Faulty right front brake fluid pressure sensor; replace the right front brake fluid pressure sensor See: Brakes and Traction Control/Hydraulic
System/Brake Fluid Pressure Sensor/Switch/Service and Repair.?
32. Clear the DTCs with the HDS.
33. Watch the ACC unit indicator.
Does the ACC unit indicator (amber) go off?
YES -
The system is OK at this time. Check for loose or poor connections.?
NO -
Go to step 34.
34. Check for DTCs with the HDS.
