T100 Regular Cab Pickup 2WD L4-2693cc 2.7L DOHC MFI (1998)
Headlamp Relay: Testing and Inspection
INSPECT HEADLIGHT CONTROL RELAY CONTINUITY
If continuity is not as specified, replace the relay.
INSPECT INTEGRATION RELAY OPERATION
Light-On Warning System:
a. Connect the positive (+) lead from the battery to terminal 2 and 11.
b. Connect the negative (-) lead from the battery to terminal 7 and 10.
c. Check the buzzer sounds.
d. Disconnect the positive (+) lead from the battery to terminal 2.
e. Check that the buzzer stops sounding.
f.
Connect the positive (+) lead from the battery to terminal 2.
g. Disconnect the negative (-) lead from the battery to terminal 10.