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TROUBLESHOOTING ANTI-SKID BRAKING SYSTEM (ABS) 35B-55 INSPECTION PROCEDURE 4: Faulty ABS Operation COMMENT ON TROUBLE SYMPTOM PROBABLE CAUSES • Malfunction of the hydraulic unit DIAGNOSIS ). If the hydraulic unit (integrated with ABS-ECU) is DATA LIST REFERENCE TABLE M1352011500661 The following items can be read by the MUT-II/III When the system is normal. When the ABS-ECU shut off ABS operation. Item Check item Checking requirements Normal valve 11 Front-right ABS sensor Perform a test run Vehicle speeds 12 Front-left ABS sensor 13 Rear-right ABS sensor 14 Rear-left ABS sensor 21 ABS-ECU power supply voltage Ignition switch: ON 10 − 16 V 32 G-sensor <4WD> • Ignition switch: ON • When vehicle is parked on a level 2.4 − 2.6 V When vehicle is accelerated 4.0 − 1.0 V When vehicle is decelerated 1.0 − 4.0 V 36 Stop lamp switch Depress the brake pedal. ON Release the brake pedal. OFF |