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Integration Relay Circuit

Remove integration relay from instrument panel junction block. Check for continuity or voltage between ground and specified terminals. See INTEGRATION RELAY CIRCUIT TEST  table. If values are as specified, replace relay. If values are not as specified, check and repair wiring harness as necessary.

INTEGRATION RELAY CIRCUIT TEST

Terminal No. (1) Condition Value
8 Driver's Seat Belt Disconnected No Continuity
8 Driver's Seat Belt Connected Continuity
10 Always Continuity
7 Ignition: OFF Or ACC No Voltage
7 Ignition: ON Battery Voltage
9 Ignition: OFF Or ACC No Voltage
9 Ignition: ON Battery Voltage
(1) See illustration for terminal identification. See Fig 1.
Fig 1: Identifying Integration Relay Terminals (Junction Block Side)
G99D51493Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002