Adjust Ignition Timing - Toyota 3VZ–FE Troubleshooting Manual

IGNITION SYSTEM – DISTRIBUTOR
8. CONNECT TACHOMETER AND TIMING LIGHT TO
ENGINE
Connect the tachometer test probe to terminal IG
DCL1.
NOTICE:
NEVER allow the tachometer terminal to touch ground as
it could result in damage to the igniter and/or ignition
coil.
As some tachometers are not compatible with this
ignition system, we recommended that you confirm the
compatibility of your unit before use.
9.

ADJUST IGNITION TIMING

(a) Check the idle speed.
Idle speed:
700 50 rpm
(b) Using SST, connect terminals TE1 and E1 of the DCL1.
SST 09843–18020
(c) Using a timing light, check the ignition timing.
Ignition timing:
10 BTDC @ idle
(Transmission in neutral range)
(d) Loosen the two hold–down bolts, and adjust by turning the
distributor.
(e) Tighten the hold–down bolts, and recheck the ignition timing.
Torque: 18 N m (185 kgf cm, 13 ft lbf)
(f) Remove SST.
SST 09843–18020
10. FURTHER CHECK IGNITION TIMING
Ignition timing:
10–20 BTDC @ idle
(Transmission in neutral range)
HINT: The timing mark moves in a range between 10 and
20 .
11. DISCONNECT TACHOMETER AND TIMING LIGHT FROM
ENGINE
IG–19
of the