Operation CHARM: Car repair manuals for everyone.

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

INSPECTION




1. INSPECT INTEGRATION RELAY

a. Inspect the EFI (20 A) fuse.







1. Disconnect the fuse.
2. Using an ohmmeter, measure the resistance of the fuse.

b. Inspect the EFI relay.

1. Using an ohmmeter, measure the resistance between the terminals.

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.