Integration Relay: Inspection

WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT INTEGRATION RELAY

Inspect the AM2 (15A) fuse.

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

Standard resistance

INTEGRATION RELAY (AM2 (15A) fuse)

Tester Connection	Specified condition
1-2	Below 1 ohms

Inspect the IG2 relay.

Using an ohmmeter, measure the resistance between the terminals.

Standard resistance

INTEGRATION RELAY (IG2 RELAY)

Tester Connection	Specified condition
B1-C1	Below 1 ohms
B4-C1	Below 1 ohms (when battery voltage applied to terminals 1 and 2)
B4-C1	10 k ohms or higher

Fig 1: Identifying Integration Relay Terminals & AM2 (15A) Fuse

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.