Rear Reset Switch Closed

Tests 1 Through 3:

Test 4 And 5:

Symptom:
REAR RESET SWITCH CLOSED - EBC 2

When Monitored and Set Condition:
REAR RESET SWITCH CLOSED - EBC 2

When Monitored:
1. CAB not in the antilock pressure control mode.

Set Condition:
2. Reset switch voltage low.
3. Criteria 1 and 2 satisfied to over 200 consecutive controller checks spaced 5 milliseconds (ms) apart (1.0 second total).

POSSIBLE CAUSES
HCU 4-WAY CONNECTOR OBSERVABLY DEFECTIVE
HCU WIRING HARNESS OBSERVABLE DEFECT
HYDRAULIC CONTROL UNIT DEFECTIVE
REAR RESET SWITCH CIRCUIT SHORTED TO GROUND