ENGINE GENERAL INFORMATION AND DIAGNOSIS (H25 ENGINE) 6-1-141
TROUBLESHOOTING
Step
Action
Yes
No
1
Fuel Injector Operation check :
1) Using sound scope, check each injector for
operating sound at engine cranking.
Do all 6 injectors make operating sound?
Go to Step 2.
Go to Step 3.
2
Fuel Injector Circuit check :
1) Remove ECM (PCM) cover.
2) With ignition switch OFF, remove ECM
(PCM) couplers.
3) Check resistance between following termi-
nals.
C51-2-6 – C51-2-20, C51-2-7 – C51-2-20,
C51-2-18 – C51-2-20, C51-2-19 – C51-2-20,
C51-2-27 – C51-2-20, C51-2-28 – C51-2-20
: 10 – 14
Ω
at 20°C
Is check result as specified?
Fuel injector circuit is in
good condition.
Go to Step 3.
3
Does not of 6 injectors make operating sound at
Step 1?
Go to Step 4.
Faulty wire harness.
4
Fuel Injector Power Circuit check :
1) Connect ECM (PCM) couplers.
2) With ignition switch ON, check voltage
between following terminals.
C51-2-6 – ground, C51-2-7 – ground,
C51-2-18 – ground, C51-2-19 – ground,
C51-2-27 – ground, C51-2-28 – ground
: 10 – 14 V
Is check result as specified?
Substitute a known-good
ECM (PCM) and recheck.
Faulty “BLU/BLK” wire.
Содержание Engine 2002 GRAND VITARA SQ625
Страница 5: ......
Страница 248: ...ENGINE GENERAL INFORMATION AND DIAGNOSIS H25 ENGINE 6 1 107 Fig for Step 4...
Страница 274: ...ENGINE GENERAL INFORMATION AND DIAGNOSIS H25 ENGINE 6 1 133 Fig and Table for Step 3...
Страница 291: ...6 1 150 ENGINE GENERAL INFORMATION AND DIAGNOSIS H25 ENGINE...
Страница 360: ...ENGINE MECHANICAL G16 ENGINE 6A1 69 Main Bearings Crankshaft and Cylinder Block COMPONENTS...
Страница 489: ...6A2 114 ENGINE MECHANICAL H25 ENGINE...
Страница 572: ...ENGINE MECHANICAL J20 ENGINE 6A4 83 Main Bearings Crankshaft and Cylinder Block COMPONENTS...
Страница 591: ...6A4 102 ENGINE MECHANICAL J20 ENGINE...
Страница 598: ...ENGINE COOLING 6B 7...
Страница 623: ...6B 32 ENGINE COOLING...
Страница 635: ...6E1 4 ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES ENGINE AND EMISSION CONTROL SYSTEM DIAGRAM FOR G16 ENGINE...
Страница 637: ...6E1 6 ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES ENGINE AND EMISSION CONTROL SYSTEM DIAGRAM FOR J20 ENGINE...
Страница 643: ...6E1 12 ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES ELECTRONIC CONTROL SYSTEM COMPONENT LOCATION FOR G16 ENGINE...
Страница 645: ...6E1 14 ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES ELECTRONIC CONTROL SYSTEM COMPONENT LOCATION FOR J20 ENGINE...
Страница 693: ...6E1 62 ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES...
Страница 697: ...6E2 4 ENGINE AND EMISSION CONTROL SYSTEM H25 ENGINE ENGINE AND EMISSION CONTROL SYSTEM DIAGRAM...
Страница 743: ...6E2 50 ENGINE AND EMISSION CONTROL SYSTEM H25 ENGINE...
Страница 814: ...CHARGING SYSTEM 6H 21 Disassembly 70 A and 80 A types...
Страница 827: ...6H 34 CHARGING SYSTEM...
Страница 833: ...6K 6 EXHAUST SYSTEM...
Страница 834: ...Prepared by 1st Ed Dec 2002 Printed in Japan 824...