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ABS <4WD> - Troubleshooting 35B-23 ACTUATOR TEST REFERENCE TABLE The MUT-II activates the following actuators for testing. 1. If the ABS-ECU runs down, actuator testing cannot be carried out. 2. Actuator testing is only possible when the vehicle is stationary. ACTUATOR TEST SPECIFICATIONS Item No. Checking item Activation 01 Solenoid valve for front-right wheel Solenoid valves and pump motors in the h d li it ( i l 02 Solenoid valve for front-left wheel p p hydraulic unit (simple inspection mode) 03 Solenoid valve for rear-right wheel 04 Solenoid valve for rear-left wheel 05 ABS signal ABS signal (voltage: less than 1.0V) is output for 10 seconds 2s 1s 0.05 s 0.01 s Activation pattern of Items No. 01 - 04 Solenoid valve Pump motor ON OFF Start of forced action End of forced action A NOTE A: Hydraulic pressure increase B: Hydraulic pressure holds C: Hydraulic pressure decrease |