|
|
3. COMPARE WHEEL SPEED SENSOR SIGNALS WARNING: Ensure brake capability is available before road testing. Slowly accelerate as straight as possible from a stop to 40 km/h (25 m.p.h.). Is the Left Rear WSS speed showing 0 km/h (0 m.p.h.) or not matching other wheel speeds? Yes >> Go To 4 No >> Perform the ABS Intermittent Condition diagnostic procedure in this Section. Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES - STANDARD PROCEDURE). 4. INSPECT LEFT REAR WSS, WIRE HARNESS, CONNECTORS & TERMINALS Turn the ignition off. Inspect the Anti-Lock Brakes Module harness connector, Left Rear WSS connector, and Left Rear WSS harness Verify that the Left Rear WSS is properly installed and fastened. Inspect the Left Rear WSS wire harness between the sensor and the Anti-Lock Brakes Module for damage. Were any problems found? Yes >> Repair as necessary. Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES - STANDARD PROCEDURE). No >> Go To 5 5. INSPECT LEFT REAR TONE WHEEL Inspect the tone wheel for damage, missing teeth, cracks, and looseness. The teeth must be perfectly square, not Is the tone wheel damaged? Yes >> Replace the Left Rear Tone Wheel in accordance with the Service Information. Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES - STANDARD PROCEDURE). No >> Go To 6 6. CHECK LEFT REAR WSS AIR GAP Using a feeler gauge, measure the Left Rear WSS air gap. NOTE: Refer to the appropriate service information for procedures and specifications. Is the Left Rear WSS air gap within specifications? Yes >> Go To 7 No >> Repair as necessary. Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES - STANDARD PROCEDURE). 7. CHECK LEFT REAR WHEEL BEARING FOR DAMAGE Check the left rear wheel bearing for excessive runout and clearance. NOTE: Refer to the appropriate service information for procedures and specifications. Is the left rear wheel bearing damaged? Yes >> Repair as necessary. Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES - STANDARD PROCEDURE). No >> Go To 8 5 - 88 BRAKES - ABS ELECTRICAL DIAGNOSTICS KJ |