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• (with traction control only) Illuminate the TRAC OFF lamp when the amber ABS warning indicator The CAB constantly monitors the antilock brake system for proper operation. If the CAB detects a NOTE: If the vehicle is equipped with traction con- The CAB continuously monitors the speed of each wheel through the signals generated by the wheel The CAB contains a self-diagnostic program that monitors the antilock brake system for system faults. t scan tool. If not cleared with a DRBIII t scan tool, the fault occurrence and DTC will be automatically cleared from the CAB memory after CAB INPUTS • Wheel speed sensors (four) • Brake lamp switch • Ignition switch • System and pump voltage • Ground • Traction control switch (if equipped) • Diagnostic communication (PCI) CAB OUTPUTS • Amber ABS warning indicator lamp actuation (via BUS) • Red BRAKE warning indicator lamp actuation (via BUS) • Instrument cluster (MIC) communication (PCI) • Traction control lamps (if equipped) • Diagnostic communication (PCI, via BUS) REMOVAL (1) Disconnect the battery cables. CAL/BATTERY SYSTEM/BATTERY - REMOVAL). (3) Disconnect the vacuum hose connector at the tank built into the battery tray. (4) Remove the screw securing the coolant filler neck to the battery tray. (5) Remove the battery tray (Refer to 8 - ELEC- TRICAL/BATTERY SYSTEM/TRAY - REMOVAL). (6) Pull up on the CAB connector lock and discon- nect the 24–way electrical connector (Fig. 10). Fig. 10 CAB Connector Lock 1 - CONNECTOR LOCK RS ELECTRONIC CONTROL MODULES 8E - 9 CONTROLLER ANTILOCK BRAKE (MK20E) (Continued) |