Page text (OCR transcript)
EG–408
ENGINE – 2JZ–GE 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-438
EG-438
EG-453
EG-460
EG-463
EG-465
EG-470
EG-472
EG-475
EG-457
EG-481
AC-62
ST-3, 12
IG-4
IG-5
IG-7
IG-7
EG-9
AT2-81
BE-123
IN-35
Suspect area
Volume 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
A/C signal circuit (Compressor circuit)
Starter and Starter relay
Ignition signal circuit (Spark test)
Spark plug
Ignition coil
Distributor
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
6
1
5
4
2
3
Difficult to start
Engine cranks normally
1
8
2
3
6
4
5
7
Cold engine
1
4
2
3
7
5
6
Hot engine
1
5
2
4
3
8
6
7
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
12
4
2
8
6
11
9
10
7
Hunting
3
1
4
2
5
Poor Driveability
Hesitation/Poor acceleration
2
1
3
4
5
8
6
7
9
Muffler explosion (after fire)
1
5
4
2
3
Surging
1
5
2
4
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
