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3. CHECK FOR IMPROPER LEFT FRONT TIRE PRESSURE/MISMATCHED TIRES Turn the ignition off. Check and adjust the Left Front Tire pressure. Check and adjust all other tire pressures. Inspect for mismatched tires on vehicle. Is the Left Front Tire improperly inflated or mismatched tires on vehicle? Yes >> Repair as necessary Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE). No >> Go To 4 4. CHECK LEFT FRONT WSS LOOSENESS, INSPECT B8, B9 CIRCUITS/TERMINALS FOR DAMAGE NOTE: Check all terminals for broken, bent, pushed out, or corroded terminals Inspect the Left Front WSS for looseness, excessive corrosion and not properly fastened. Inspect the (B8) Left Front WSS Signal and (B9) Left Front WSS Supply circuits between the Left Front WSS and Is the Left Front WSS loose or any of the wiring/connectors/terminals damaged? Yes >> Repair as necessary Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE). No >> Go To 5 5. CHECK LEFT FRONT TONE WHEEL FOR DAMAGE Inspect the Left Front Tone Wheel for damage, missing teeth, cracks, or looseness. NOTE: The Tone Wheel teeth should be perfectly square, not bent, or nicked. Is the Left Front Tone Wheel damaged? Yes >> Repair as necessary Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE). No >> Go To 6 6. CHECK LEFT FRONT WHEEL BEARING FOR DAMAGE Inspect the Left Front wheel bearing for excessive runout or clearance. NOTE: Refer to the appropriate service information, if necessary, for procedures or specifications. Is the Left Front Wheel Bearing Damaged? Yes >> Repair as necessary Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE). No >> Go To 7 PM BRAKES - ABS ELECTRICAL DIAGNOSTICS 5 - 149 |