Main Relay (Computer/Fuel System): Testing and Inspection

1NZ-FE ENGINE CONTROL SYSTEM: INTEGRATION RELAY: INSPECTION

INSPECTION





1. INSPECT INTEGRATION RELAY
(a) Inspect the EFI (20A) fuse.
(1) Disconnect the fuse.
(2) Using an ohmmeter, measure the resistance of the fuse.
Standard resistance:






(b) Inspect the EFI relay.
(1) Using an ohmmeter, measure the resistance between the terminals.
Standard resistance:





NOTE: While using the battery for the inspection, do not bring the positive and negative tester probes too close to each other as a short circuit may occur.