LS 400 V8-4.0L (1UZ-FE) (1990)
Ignition Relay: Locations
Ignition System Components
DISTRIBUTORS
Mounted to front of each camshaft sprocket, under No. 3 timing cover.
ECU
Under the right side of dash.
IGNITION RELAY
Mounted to the side of the ECU under dash.
IGNITERS
Mounted to the right strut tower.
IGNITION COIL - EVEN CYLS
Mounted near right side distributor.
IGNITION COIL - ODD CYLS
Mounted to left cylinder head, near distributor.
IGNITION FUSE
Located in junction box No. 1 under left side of dash.