Ignition Timing - Toyota Celica 2005 Repair Manual

EM−14
TOYOTA Hand−Held Tester
DLC3
2005 CELICA (RM1131U)
ENGINE MECHANICAL −

IGNITION TIMING

INSPECTION
1. WARM UP ENGINE
Allow the engine to warm up to normal operating temperature.
2. CONNECT TOYOTA HAND−HELD TESTER OR OBDII
SCAN TOOL
(a) Connect the TOYOTA hand−held tester or OBDII scan
tool to the DLC3.
(b) Please refer to the TOYOTA hand−held tester or OBDII
scan tool operator's for further details.
3. CONNECT TIMING LIGHT TO ENGINE
D07259
4. INSPECT IGNITION TIMING
Using a timing light, check the ignition timing.
Ignition timing:
1ZZ−FE:
10 − 18° BTDC @ idle
2ZZ−GE:
8 − 12° BTDC @ idle
(Transmission in neutral position)
HINT:
B00272
After engine rpm is kept at 1,000 − 1,300 rpm for 5 seconds,
check that it returns to idle speed.
5. DISCONNECT TIMING LIGHT FROM ENGINE
6. DISCONNECT TOYOTA HAND−HELD TESTER OR
OBDII SCAN TOOL
1399
IGNITION TIMING
EM15P−06