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

2AZ-FE ENGINE CONTROL SYSTEM: INTEGRATION RELAY: INSPECTION

INSPECTION

1. INSPECT INTEGRATION RELAY

(a) Inspect the EFI (15A) 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.

(c) Inspect the IG2 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.