Tacoma PreRunner Extra Cab 2WD L4-2.7L (3RZ-FE) (1998)
Position Of Parts In Body (Fig 32)
Service Hints
B 6 BUCKLE SW
1-2:
Open with Driver's Seat Belt in use
D15 DOOR COURTESY SW LH
1-GROUND:
Closed with LH Door open
I15-A SEAT BELT WARNING RELAY (INTEGRATION RELAY)
6-GROUND:
Approx. 12 Volts with Ignition SW ON
12-GROUND:
Always Approx. 12 Volts
A-7-GROUND: Always Continuity
A-5-GROUND: Continuity with LH Door open
A-10-GROUND: Approx. 12 Volts with Ignition Key in Cylinder
A-2-GROUND: 0 Volts for 4-8 Seconds with Ignition SW ON and 12 Volts 4-8 Seconds after Ignition SW ON
System Outline
Current always flows to TERMINAL 12 of the integration relay through the DOME fuse.
1. SEAT BELT WARNING SYSTEM
When the Ignition SW is turned ON, current flows from the GAUGE fuse to TERMINAL 6 of the integration relay. At the same time, current
flows to TERMINAL A-2 of the relay from the GAUGE fuse through the Seat Belt Warning Light. This current activates the integration relay
and, for Approx. 4-8 Seconds, current flowing through the warning light flows from TERMINAL A-2 of relay to TERMINAL A-7 to
GROUND, causing the warning Light to Light up. At the same time as the warning Light Lights up, a buckle SW ON signal is input to