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OPERATION The The ISO-standard rear blower motor relay is an electromechanical switch that uses a low current input from the When the relay coil is de-energized, spring pressure returns the movable relay contact back against the fixed, nor- The rear blower motor relay terminals are connected to the vehicle electrical system through a receptacle in the • The common feed terminal (30) receives a battery current input from a fuse in the PDC through a fused B(+) • The coil ground terminal (85) is connected to a ground at all times. • The coil battery terminal (86) receives a battery current input from a fuse in the junction block (JB) through a • The normally open terminal (87) provides a battery current output to the rear blower motor through the rear • The normally closed terminal (87A) is not connected to any circuit in this application, but provides a battery The rear blower motor relay cannot be repaired and, if faulty or damaged, it must be replaced. Refer to the appro- REMOVAL 1. Disconnect and isolate the negative battery cable. 2. Locate the power distribution center (PDC) (1). 3. Open the PDC cover (2). NOTE: Refer to the fuse and relay layout map on 4. Remove the rear blower motor relay (3) from the PDC. HB CONTROLS - REAR 24 - 377 |