RX 450h AWD V6-3.5L (2GR-FXE) Hybrid (2011)
Horn Relay: Testing and Inspection
Horn Relay
HORN: RELAY: ON-VEHICLE INSPECTION
1. INSPECT HORN RELAY (ENGINE ROOM JUNCTION BLOCK ASSEMBLY)
(a) Remove the engine room junction block assembly from the engine room relay block See: Daytime Running Lamp Relay/Service and
Repair/Components.
(b) Connect a positive (+) lead from the battery to terminal 3A-1.
(c) Connect a negative (-) lead from the battery to terminal 3C-15.
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Text in Illustration
If the result is not as specified, replace the engine room junction block assembly.