Highlander 2WD V6-3.3L (3MZ-FE) (2004)
Main Relay (Computer/Fuel System): Testing and Inspection
INSPECTION
1. INSPECT RELAY (Marking: EFI, A/F)
a. Remove the EFI relay from the engine room J/B.
b. Remove the A/F relay from the engine room R/B No. 2.
c. Measure the resistance of the relay.
2. INSPECT CIRCUIT OPENING RELAY
a. Remove the circuit opening relay from the R/B sub-assy.
b. Measure the resistance of the relay.