Page text (OCR transcript)
EG–514
ENGINE – 2JZ–GTE ENGINE TROUBLESHOOTING
MATRIX CHART OF PROBLEM SYMPTOMS
When the malfunction code is not confirmed in the diagnostic trouble code check and the problem still can not be confirmed in the basic inspection, proceed to this matrix chart and troubleshoot according to the numbered order given below.
See page
EG-544
EG-559
EG-564
EG-571
EG-574
EG-576
EG-581
EG-583
EG-586
EG-568
EG-595
EG-589
AC-62
ST-3
IG-21
IG-22
IG-23
EG-9
AT2-101
BE-123
IN-35
Suspect area
Mass air flow meter circuit
Starter signal circuit
EGR system
Switch condition signal circuit
Park/neutral position switch circuit
ECM power source circuit
Back up power source circuit
Injector circuit
IAC valve circuit
Fuel pump control circuit
VSV circuit for fuel Pressure Control
Turbo control circuit
A/C signal circuit (Compressor circuit)
Starter and Starter relay
Ignition signal circuit (Spark test)
Spark plug
Ignition coil
Compression
A/T faulty
Theft deterrent ECU
Engine control module (ECM)
Symptom
Does not start
Engine does not crank
2
1
3
No initial combustion
1
5
3
2
4
No complete combustion
5
1
4
3
2
Difficult to start
Engine cranks normally
1
7
2
3
5
4
6
Cold engine
1
4
2
3
6
5
Hot engine
1
5
2
4
3
7
6
Poor Idling
Incorrect first idle
1
2
High engine idle speed
1
5
4
6
2
3
Low engine idle speed
7
3
4
8
6
1
5
2
Rough idling
3
5
1
11
4
2
8
6
10
9
7
Hunting
3
1
4
2
5
Poor Driveability
Hesitation/Poor acceleration
2
1
3
4
8
5
7
6
9
Muffler explosion (after fire)
1
4
3
2
Surging
1
4
2
3
Engine Stall
Soon after starting
2
3
1
After accelerator pedal depressed
2
1
After accelerator pedal released
1
2
3
During A/C operation
1
2
3
When shifting N to D
1
2
