6-34 ENGINE GENERAL INFORMATION AND DIAGNOSIS (G16/J20 ENGINES)
Engine Basic Check
This check is very important for troubleshooting when ECM (PCM) has detected no DTC and no abnormality
has been found in visual inspection.
Follow the flow table carefully.
Step
Action
Yes
No
1
Was “Engine Diag. Flow Table” performed?
Go to Step 2.
Go to “Engine Diag. Flow
Table”.
2
Check battery voltage.
Is it 11 V or more?
Go to Step 3.
Charge or replace battery.
3
Is engine cranked?
Go to Step 4.
Go to “Diagnosis Table” in
Section 6G or 6G1.
4
Does engine start?
Go to Step 5.
Go to Step 7.
5
Check engine idle speed/IAC duty referring to
“Idle speed/IAC Duty Inspection” in Section
6E1.
Is check result as specified?
Go to Step 6.
Go to “Engine Diagnosis
Table” in this section.
6
Check ignition timing referring to “Ignition Tim-
ing Inspection” in Section 6F1 or 6F2.
Is check result as specified?
Go to “Engine Diagnosis
Table” in this section.
Adjust ignition timing or
check input signals
related to ignition system.
7
Is immobilizer control system equipped?
Go to Step 8.
Go to Step 9.
8
Check immobilizer system malfunction as fol-
lows.
1) Check immobilizer indicator lamp or MIL
(malfunction indicator lamp) for flashing.
Is it flashing when ignition switch is turned to
ON position?
Go to “Diagnostic Flow
Table” in Section 8G.
Go to Step 9.
9
Check fuel supply as follows:
1) Check to make sure that enough fuel is
filled in fuel tank.
2) Turn ON ignition switch for 3 seconds and
then OFF.
Repeat this a few times.
Is fuel return pressure (returning sounds) felt
from fuel return hose when ignition switch is
turned ON?
Go to Step 11.
Go to Step 10.
10
Check fuel pump for operating.
Was fuel pump operating sound heard from fuel
filler for about 3 seconds after ignition switch
ON and stop?
Go to “Diag. Flow Table B-
3”.
Go to “Diag. Flow Table B-
1”.
11
Check ignition spark referring to “Ignition Spark
Test” in Section 6F1 or 6F2.
Is it in good condition?
Go to Step 12.
Go to “Diagnosis Table” in
Section 6F1 or 6F2.
12
Check fuel injector referring to “Fuel Injector” in
Section 6E1.
Is it in good condition?
Go to “Engine Diagnosis
Table” in this section.
Go to “Diag. Flow Table B-
2”.
Summary of Contents for Engine 2002 GRAND VITARA SQ625
Page 5: ......
Page 248: ...ENGINE GENERAL INFORMATION AND DIAGNOSIS H25 ENGINE 6 1 107 Fig for Step 4...
Page 274: ...ENGINE GENERAL INFORMATION AND DIAGNOSIS H25 ENGINE 6 1 133 Fig and Table for Step 3...
Page 291: ...6 1 150 ENGINE GENERAL INFORMATION AND DIAGNOSIS H25 ENGINE...
Page 360: ...ENGINE MECHANICAL G16 ENGINE 6A1 69 Main Bearings Crankshaft and Cylinder Block COMPONENTS...
Page 489: ...6A2 114 ENGINE MECHANICAL H25 ENGINE...
Page 572: ...ENGINE MECHANICAL J20 ENGINE 6A4 83 Main Bearings Crankshaft and Cylinder Block COMPONENTS...
Page 591: ...6A4 102 ENGINE MECHANICAL J20 ENGINE...
Page 598: ...ENGINE COOLING 6B 7...
Page 623: ...6B 32 ENGINE COOLING...
Page 693: ...6E1 62 ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES...
Page 697: ...6E2 4 ENGINE AND EMISSION CONTROL SYSTEM H25 ENGINE ENGINE AND EMISSION CONTROL SYSTEM DIAGRAM...
Page 743: ...6E2 50 ENGINE AND EMISSION CONTROL SYSTEM H25 ENGINE...
Page 814: ...CHARGING SYSTEM 6H 21 Disassembly 70 A and 80 A types...
Page 827: ...6H 34 CHARGING SYSTEM...
Page 833: ...6K 6 EXHAUST SYSTEM...
Page 834: ...Prepared by 1st Ed Dec 2002 Printed in Japan 824...
