Circuit Opening Relay

WARNING: On Prius, read service precautions before proceeding with service procedure. See SERVICE PRECAUTIONS .

Ensure ignition is off. Remove circuit opening relay. See CIRCUIT OPENING RELAY LOCATION table. See Fig 1-Fig 9 .

CIRCUIT OPENING RELAY LOCATION ⁽¹⁾

Application

Location

Camry CNG & Gasoline Models, & Camry Solara

In Fuse/Relay Box At driver's side Front Corner Of Engine Compartment, Near Battery

Celica

In Fuse/Relay Box At driver's side Front Corner Of Engine Compartment, Just In Front Of Strut Tower

Corolla

Center Relay In Relay Box Behind Driver's Side Kick Panel

ECHO

In Fuse/Relay Box Behind Driver's Side Of Instrument Panel

Highlander

In Relay Box Just Above Driver's Side Kick Panel

MR2

In Relay Box On Firewall At Driver's Side Front Corner Of Engine Compartment

Prius & RAV4

In Fuse/Relay Box At Driver's Side Front Corner Of Engine Compartment

Tacoma

Behind Lower Instrument Panel Cover, Next To Driver's Side Of Steering Column

⁽¹⁾	Circuit opening relay may be marked as CIR OPN relay.

To test circuit opening relay continuity, using ohmmeter, check for continuity and no continuity between specified terminals on circuit opening relay. See Figure-Figure .
To test circuit opening relay operation, apply battery voltage and ground to circuit opening relay. Using ohmmeter, check for continuity between specified terminals on circuit opening relay. See Figure-Figure . Replace circuit opening relay if defective.