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Home >> Lexus >> 2003 >> GS 430 >> Repair and Diagnosis >> Accessories & Equipment >> Heated Glass/Defoggers >> Rear Window Defogger & Heated Mirrors >> Circuit Tests >> Mirror Defogger Relay Circuit

Mirror Defogger Relay Circuit

Remove the relay from the passenger side junction block and inspect the connector on the junction block side. See INSPECTING MIRROR DEFOGGER RELAY CIRCUIT  table. If the circuit is not as specified, inspect the circuits connected to other parts. See CONNECTOR IDENTIFICATION .

INSPECTING MIRROR DEFOGGER RELAY CIRCUIT

Tester Connection Condition Specified Condition
2 - Ground Ignition Switch ON B+ Voltage
5 - Ground Constant B+ Voltage