Index Chrysler Chrysler 300M / Concorde / Interpid / LHS, Dodge Interpid - service repair manual 2000-2004 year
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OPERATION The primary functions of the controller antilock brake (CAB) are to: • Monitor the antilock brake system for proper operation. • Detect wheel locking or wheel slipping tenden- cies by monitoring the speed of all four wheels of the • Control fluid modulation to the wheel brakes while the system is in an ABS mode. • Store diagnostic information. • Provide communication to the DRBIIIt scan tool while in diagnostic mode. • Illuminate the ABS and BRAKE (with loss of EVBP) warning indicator lamps. • (With traction control only) Illuminate the TRAC ON lamp in the message center on the instrument • (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 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 OFF switch (via BUS) (if equipped) • Diagnostic communication (PCI) CAB OUTPUTS • Amber ABS warning indicator lamp actuation (via BUS) • Instrument cluster (MIC) communication (PCI) • Traction control lamps (if equipped) • Diagnostic communication (PCI, via BUS) REMOVAL To remove the CAB, the ICU must be removed from the vehicle and disassembled. (Refer to 5 - - ABS/HYDRAULIC/MECHANICAL/ICU (INTEGRATED CONTROL UNIT) - REMOVAL) INSTALLATION To install the CAB, it must be attached to the HCU, forming the ICU. (Refer to 5 - BRAKES - ABS/ (INTEGRATED CONTROL UNIT) - ASSEMBLY) DATA LINK CONNECTOR DESCRIPTION The data link connector is located inside the vehi- cle, below instrument panel next to the center col- Fig. 2 DATA LINK CONNECTOR LH ELECTRONIC CONTROL MODULES 8E - 5 CONTROLLER ANTILOCK BRAKE (Continued) |