Headlight Cleaner Relay Circuit
WARNING: This page is about a different car, the 2003 Lexus IS 300 and 2002 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect the connector from the relay and inspect the connector on the wire harness side. See CONNECTOR IDENTIFICATION . See INSPECTING HEADLIGHT CLEANER RELAY CIRCUIT table. If the circuit is not as specified, inspect the circuits connected to other parts.
INSPECTING HEADLIGHT CLEANER RELAY CIRCUIT
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 2 - Ground, 3 - Ground | Constant | Continuity |
| 4 - Ground | Ignition Switch ON, Light Control Switch In HEAD & Cleaner Switch OFF | No Continuity |
| 4 - Ground | Ignition Switch ON, Light Control Switch In HEAD & Cleaner Switch ON Or Daytime Running Light System Operating | Continuity |
| 1 - Ground | Ignition Switch OFF Or ACC | No Voltage |
| 1 - Ground | Ignition Switch ON | Battery Voltage |
| 5 - Ground | Constant | Battery Voltage |