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02 Passenger’s Multiplex Control Unit Cavity Wire Test condition Test: Desired result Possible cause if result is not obtained 22-228 Wipers/Washers Control Unit Input Test (cont’d) GRN/WHT BLK GRN/YEL PASSENGER’S MULTIPLEX CONTROL UNIT CONNECTOR B PASSENGER’S UNDER-DASH FUSE/RELAY BOX SOCKET 5. Remove the passenger’s under-dash fuse/relay box (see page 22-86). 6. Remove the passenger’s multiplex control unit from the passenger’s under-dash fuse/relay box, and disconnect its connector. 7. Inspect all connector and socket terminals to be sure they are making good contact. • If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system. 8. With the passenger’s multiplex control unit still disconnected, make these input tests at the connector and the fuse/relay box socket. • If any test indicates a problem, find and correct the cause, then recheck the system. • • • • B22 BLK Under all conditions Check for continuity to Poor ground (G503) A22 Fuse/relay box socket Ignition switch ON Check for voltage to Blown No. 9 (10A) fuse in the B15 GRN/WHT Intermittent dwell Check for resistance as the ring is turned. Faulty intermittent dwell time B16 GRN/YEL Wire side of female terminals 03/07/29 10:24:23 61S0X050_220_0230 |