Window Defogger System: Inspection

INSPECT DEFOGGER RELAY

Fig 1: Inspecting Defogger Relay Continuity

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Standard:

DEFOGGER RELAY - CONTINUITY TABLE

Terminals No.	Condition	Specified condition
1 <==> 2	Constant	Continuity
3 <==> 5	Constant	No continuity
3 <==> 5	Apply B+ between terminals 1 and 2	Continuity

If the continuity is not as specified, replace the relay.