Integration Relay: Inspection

INSPECT INTEGRATION RELAY

Inspect the EFI (20A) fuse.

Disconnect the fuse.

Using an ohmmeter, measure the resistance of the fuse.

Standard resistance

RESISTANCE SPECIFICATION

Tester Connection	Specified Condition
1 - 2	Below 1 Ω

Inspect the EFI relay.

Using an ohmmeter, measure the resistance between the terminals.

Fig 1: Identifying Integration Relay Connectors & EFI Fuse
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard resistance

RESISTANCE SPECIFICATION

Tester Connection	Specified Condition
A4 - C1	10 kΩ or higher
A4 - C1	Below 1 Ω (Battery voltage applied between terminals A2 and A3)

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.