Toyota 2GR-FE Manual page 400

ES–244
DTC No.
P0351
P0352
P0353
P0354
P0355
P0356
Reference: Inspection using an oscilloscope.
ES
While cranking or idling the engine, check the waveform between terminals IGT (1 to 6) and E1, and IGF1,
IGF1 and E1 of the ECM connector.
Item
Terminals
Equipment Settings
Conditions
2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
DTC Detection Condition
No IGF signal to ECM while engine is running
(1 trip detection logic)
IGT and IGF Signal waveform
CH1
CH2
20 ms./Division
Content
CH1: IGT1, IGT2, IGT3, IGT4, IGT5,
IGT6 - E1
CH2: IGF1 - E1
2 V/DIV.
20 ms./DIV.
Cranking or idling
Trouble Area
• Ignition system
• Open or short in IGF1 or IGT circuit (1 to 6)
between ignition coil and ECM
• No. 1 to No. 6 ignition coils
• ECM
2 V/DIV.
GND
GND
A140641E02