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• When Monitored: • Set Condition: Possible Causes WIRING HARNESS, TERMINAL, CONNECTOR DAMAGE STOP LAMP RELATED DTCs OR SYMPTOMS PRESENT (F942 CIRCUIT/FUSE OPEN) PRESSURE SENSOR OR VOLTAGE RELATED DTCs PRESENT (B15) SECONDARY BRAKE SWITCH SIGNAL CIRCUIT (DIESEL) OR (B15) BRAKE SWITCH NO. 1 SIGNAL (B15) SECONDARY BRAKE SWITCH SIGNAL CIRCUIT (DIESEL) OR (B15) BRAKE SWITCH NO. 1 SIGNAL STOP LAMP SWITCH ANTI-LOCK BRAKES MODULE Diagnostic Test 1. VERIFY DTC IS ACTIVE NOTE: Diagnose and repair all Pressure Sensor and Voltage related DTCs and all Stop Lamp related DTCs With the scan tool, read ABS DTCs. With the scan tool, read and record Environmental Data (EV Data). With the scan tool, erase DTCs. Cycle the ignition switch. WARNING: Ensure brake capability is available before road testing. Park the vehicle. With the scan tool, read ABS DTCs. Does this DTC reset? Yes >> Go To 2 No >> Perform the ABS Intermittent Condition diagnostic procedure in this Section. Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES - STANDARD PROCEDURE). 2. INSPECT RELATED WIRING HARNESS, TERMINALS, & CONNECTORS Turn the ignition off. Visually inspect the related wiring harness. Look for any pinched, chafed, pierced, and partially broken wires. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, and corroded terminals. Were any problems found? Yes >> Repair as necessary. Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES - STANDARD PROCEDURE). No >> Go To 3 5 - 132 BRAKES - ABS ELECTRICAL DIAGNOSTICS KJ |