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• When Monitored: • Set Condition: Possible Causes WIRING HARNESS, TERMINAL, CONNECTOR DAMAGE (B9) LEFT FRONT WSS 12 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE, GROUND, OR OPEN (B8) LEFT FRONT WSS SIGNAL CIRCUIT SHORTED TO VOLTAGE, GROUND, OR OPEN (B8) LEFT FRONT WSS SIGNAL CIRCUIT SHORTED TO (B9) LEFT FRONT WSS 12 VOLT SUPPLY CIRCUIT LEFT FRONT WSS ANTI-LOCK BRAKES MODULE Diagnostic Test 1. CHECK FOR DTC C100A–LEFT FRONT WHEEL SPEED SENSOR CIRCUIT NOTE: This DTC must be active for the results of this test to be valid. With the scan tool, record and erase DTCs. Cycle the ignition switch from off to on. With the scan tool, read DTCs. NOTE: The Anti-Lock Brake Module must sense ALL 4 wheels at 12 km/h (7.5 mph) before it will extinguish Does the scan tool display: C100A–LEFT FRONT WHEEL SPEED SENSOR CIRCUIT? Yes >> Go To 2 No >> Refer to the INTERMITTENT CONDITION diagnostic procedure. Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES - STANDARD PROCEDURE). 2. CHECK CONNECTOR/TERMINAL FOR DAMAGE NOTE: Check all terminals for broken, bent, pushed out, or corroded terminals. Inspect the Anti-Lock Brake Module harness connector, Left Front WSS, and Left Front WSS harness connector. Is the Left Front WSS or any of the connectors/terminals damaged? Yes >> Repair as necessary. Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES - STANDARD PROCEDURE). No >> Go To 3 5 - 210 BRAKES - ABS ELECTRICAL DIAGNOSTICS LX |