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Cavity Wire Test condition Test: Desired result Possible cause if result is not obtained 22-252 Multiplex Control System Multiplex Control Unit Input Test (cont’d) 6. Make the following input tests at the connector B and fuse/relay box socket. • If any test indicate a problem, find and correct the cause, then recheck the system. • • • • • • • B11 BLK Under all Check for continuity to ground: Poor ground (G501) A12 Fuse/relay box socket Under all Check for voltage to ground: Blown No. 13 (7.5A) fuse in the A14 Under all Check for continuity to ground: Poor ground (G401) A24 Ignition switch Check for voltage to ground: Blown No. 9 (10A) fuse in the A13 Ignition key is Check for continuity to ground: Faulty ignition key switch Ignition key Check for continuity to ground: Faulty ignition key switch A1 Under all Attach to ground: Blown No. 47 (20A) fuse in the A15 Short the Check for continuity to ground: Poor ground (G401) Remove the Check for continuity to ground: Short to ground 03/07/29 10:25:37 61S0X050_220_0254 |