
EG-417
ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING
8 Disconnect igniter connector and check voltage between terminal IGT of engine control module connector and body ground.
START
SST
ECM
B 57
IGT
BE8853
FI6614
P Disconnect igniter connector.
C Measure voltage between terminal IGT of engine control module connector and body ground when engine is cranked.
OK Voltage: 0.5 — 1.0 V
(Neither 0 V nor 5 V)
Reference INSPECTION USING OSCILLOSCOPE
IGT Signal Waveform
IGT 2 V/Div.
0 V
IGF
0 V
5 msec./Division (Idling)
FI6605
• During cranking or idling, check waveforms between terminal IGT and E1 of engine control module.
HINT: The correct rectangular waveforms are as shown.
NG OK Replace igniter.
9 Check for open and short in harness and connector in IGT signal circuit between engine control module and igniter (See page IN-30).
OK NG Repair or replace harness or connector.
Check and replace engine control module.