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AUTOMATIC SPEED CONTROL DEVICE (ASCD) ACS-25 [ASCD] C D E F G H I J L M A B ACS ASCD PUMP CIRCUIT CHECK 1. CHECK ASCD PUMP 1. Disconnect ASCD pump connector. 2. Measure resistance between ASCD pump terminals 1 and 2, 3, 4. Refer to wiring diagram in . OK or NG OK >> GO TO 2. NG >> Replace ASCD pump. 2. CHECK ASCD PUMP CIRCUIT 1. Disconnect ASCD control unit connector. 2. Check harness for open or short between ASCD control unit terminals and ASCD pump terminals. OK or NG OK >> GO TO 3. NG >> Repair harness or connector. Terminals Resistance [ Ω ] 1 2 Approx. 65 3 Approx. 65 4 Approx. 3 PBIC0214E Terminal (Wire color) ASCD control unit ASCD pump Connector M35 E16 ASCD pump power supply 12 (R/PU) 1 (LG) Air valve 13 (L/R) 2 (L/R) Release valve 1 (L/Y) 3 (L/Y) Vacuum motor 14 (W/R) 4 (W/R) Continuity should exist. PBIC0215E |