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Symptom: REAR RESET SWITCH CLOSED - EBC 2 When Monitored and Set Condition: REAR RESET SWITCH CLOSED - EBC 2 When Monitored: CAB not in the antilock pressure control mode. Set Condition: Reset switch voltage low and the when monitored conditions have been satisfied for over 200 consecutive controller checks spaced 5 milliseconds (ms) apart (1.0 POSSIBLE CAUSES REAR SOLENOID DTC(S) PRESENT HCU 4-WAY HARNESS OR CONNECTOR DAMAGE MECHANICAL BRAKE CONCERN HCU INTERNAL CONCERN TEST ACTION APPLICABILITY 1 Ignition on, engine not running. t, read DTC’s. Are there any DTC’s displayed for the Rear Solenoid Valves? All Yes → Perform the appropriate diagnostics test for the displayed DTC’s. No → 2 Turn the ignition off. All Yes → Repair the HCU 4-way harness or connector as necessary. No → 3 Road test the vehicle and check mechanical brake operation. All Yes → Repair the mechanical brake concern. No → Replace the Hydraulic Control Unit in accordance with the 43 BRAKES (CAB) |