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RHA560FA RHA927F q B Note CHECK AUTO AMP. CIRCUIT q 22 and body ground? Yes E No Check circuit continuity between q 22 and triple-pressure switch harness q 4 . Continuity should exist. Replace auto amp. Note: RHA942F COMPONENT INSPECTION Triple-pressure switch Terminals High-pressure side line pressure kPa (kg/cm 2 , psi) Operation Continuity Low-pres- q 1 - q 4 Increasing to 152.0 - 201.0 (1.55 - 2.05, 22.0 - 29.2) ON Exists. Decreasing to 152.0 - 201.0 (1.55 - 2.05, 22.0 - 29.2) OFF Does not exist. Medium- q 2 - q 3 Increasing to 1,422 - 1,618 (14.5 - 16.5, 206 - 235) ON Exists. Decreasing to 1,128 - 1,422 (11.5 - 14.5, 164 - 206) OFF Does not exist. High-pres- q 1 - q 4 Decreasing to 2,059 - 2,256 (21 - 23, 299 - 327) ON Exists. Increasing to 2,648 - 2,844 (27 - 29, 384 - 412) OFF Does not exist. * For cooling fan motor operation. SEF090M A/C relay Check continuity between terminal Nos. q 3 and q 5 . Conditions Continuity 12V direct current supply between q 1 and q 2 . Yes No current supply No If NG, replace relay. GI MA EM LC EC FE AT PD FA RA BR ST RS BT EL IDX TROUBLE DIAGNOSES Magnet Clutch Circuit (Cont’d) H H HA-121 |