IG/Ignition System, page 10

Check
Connector

2. ADJUST IGNITION TIMING
(a) Connect a timing light to the engine.
(b) Start the engine and run it at idle.
(c) Short circuit the terminals of the check connector
T and E1

(d) Using a timing light, slowly turn the distributor until
the timing mark on the crankshaft pulley is aligned
with the 10° mark. Tighten the distributor bolt.
Ignition timing: 10° BTDC@ (T and E1)
Torque: 140 kg-cm (10 ft-lb, 14 N-m)
(e) Unshort the check connector.