Tundra 4WD V8-4.6L (1UR-FE) (2010)
Main Relay (Computer/Fuel System): Testing and Inspection
1UR-FE ENGINE CONTROL SYSTEM: CIRCUIT OPENING RELAY: ON-VEHICLE INSPECTION
1. REMOVE CIRCUIT OPENING RELAY (C/OPN)
(a) Remove the circuit opening relay from the engine room relay block.
2. INSPECT CIRCUIT OPENING RELAY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
(b) If the result is not as specified, replace the circuit opening relay.
3. INSTALL CIRCUIT OPENING RELAY
(a) Install the circuit opening relay to the engine room relay block.