Toyota 4A-FE Repair Manual page 18

EM-20
Check Connector
/
Connector
ENGINE MECHANICAL - Engine Tune-up (4A-FE)
EM7500
INSPECTION AND ADJUSTMENT OF
IGNITION TIMING
1. WARM UP ENGINE
2.
Allow the engine to reach normal operating temperature.
CONNECT TACHOMETER
Connect the test probe of a tachometer to terminal
IG
8
of the check connector.
LOCATION:
See
page Fl-1 33
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 recommend that you confirm
the compatibility of your unit before use.
3. INSPECT AND ADJUST IGNITION TIMING
(a) Using SST, connect terminals TE1 and E1 of the
SST
check connector.
EM7502
IG1266
EM7515
SST 09843-18020
(b)
Using
a
timing light, check the Ignition timing.
Ignition timing: 10° BTDC
@
idle
(Transmission in neutral range)
If
necessary# loosen the distributor bolts and turn the dis-
tributor. Recheck the timing after tightening the distributor
bolts.
Torque: 200 kg-cm (14 ft-lb, 20 N·m)