Toyota 2GR-FE Manual page 270

ES–114
1
CHECK VALVE TIMING (CHECK FOR LOOSE AND A JUMPED TOOTH OF TIMING CHAIN)
ES
OK
REPLACE ECM (See page ES-518)
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
(a) Remove the cylinder head covers RH and LH.
(b) Turn the crankshaft pulley, and align its groove with the
(c) Check that the timing marks of the camshaft timing gears
Timing Mark
(d) Reinstall the cylinder head covers.
Timing Mark
NG
Timing Mark
Timing Mark
A135015E01
timing mark "0" of the timing chain cover.
are aligned with the timing marks of the bearing cap as
shown in the illustration.
If not, turn the crankshaft 1 revolution (360°), then align
the marks as above.
OK:
Timing marks on camshaft timing gears are aligned
as shown in the illustration.
ADJUST VALVE TIMING (REPAIR OR
REPLACE TIMING CHAIN)