YH4
GRAND
VITARA
ENGINE DIAGNOSIS (G16 / J20 ENGINES)
6-67
TROUBLESHOOTING (DTC P0171 / P0172)
STEP
ACTION
YES
NO
1
Was “ENGINE DIAG. FLOW TABLE” performed?
Go to Step 2.
Go to “ENGINE
DIAG FLOW
DIAG. FLOW
TABLE”.
2
Is there DTC(s) other than “DTC P0171 / P0172”?
Go to applicable
DTC FLOW
TABLE.
Go to Step 3.
3
Check intake system and exhaust system for leakage.
Are intake system and exhaust system in good
condition?
Go to Step 4.
Repair or replace.
4
Check fuel pressure referring to TABLE B-3 in this
section.
Is check result satisfactory?
Go to Step 5.
Repair or replace.
5
Check fuel injectors referring to “FUEL INJECTOR
INSPECTION” in “ENGINE AND EMISSION CONTROL
SYSTEM” section.
Is check result satisfactory?
Go to Step 6.
Faulty injector(s).
6
Check fuel level sensor referring to DTC P0461 Diag.
Flow Table.
Is check result satisfactory?
Go to Step 7.
Faulty fuel level
sensor or its circuit.
7
Check MAF sensor for performance referring to DTC
P0101 Diag. Flow Table.
Is check result satisfactory?
Go to Step 8.
Faulty MAF sensor
or its circuit.
8
Check ECT sensor referring to “ENGINE AND
EMISSION CONTROL SYSTEM” section.
Is check result satisfactory?
Go to Step 9.
Faulty ECT sensor.
9
Check HO2S-1 referring to DTC P0131 / P0132 Diag.
Flow Table.
Is check result satisfactory?
Substitute a known-
good ECM (PCM)
and recheck.
Faulty HO2S-1.
Содержание 2000 Grand Vitara SQ416
Страница 75: ...ENGINE DIAGNOSIS G16 J20 ENGINES 6 71 Fig 1 for Step 3...
Страница 179: ...6 1 68 ENGINE H25 ENGINE a Fig for STEP 2 3 a HO2S heater relay...
Страница 190: ...ENGINE H25 ENGINE 6 1 79 a Fig for STEP 2 3 a HO2S heater relay...
Страница 205: ...6 1 94 ENGINE H25 ENGINE Fig for STEP 4 1 Disconnected CMP sensor coupler 2 BI B wire terminal 3 Gr Y wire terminal...
Страница 541: ...6E1 4 ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES G16 ENGINE...
Страница 542: ...ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES 6E1 5...
Страница 543: ...6E1 6 ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES J20 ENGINE...
Страница 544: ...ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES 6E1 7...
Страница 549: ...Or W Bl G Bl Y C51 1 22 C51 1 23 C51 1 10 C51 1 11 6E1 12 ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES...
Страница 552: ...ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES 6E1 15...
Страница 592: ...6E2 4 ENGINE AND EMISSION CONTROL SYSTEM H25 ENGINE...
Страница 593: ...ENGINE AND EMISSION CONTROL SYSTEM H25 ENGINE 6E2 5...
Страница 597: ...ENGINE AND EMISSION CONTROL SYSTEM H25 ENGINE 6E2 9...
Страница 661: ...IGNITION SYSTEM FOR J20 H25 ENGINES 6F2 13 INSTALLATION For installation reverse removal procedure...
Страница 723: ...6H 30 CHARGING SYSTEM 17 Make sure that rotor turns smoothly...
Страница 729: ...Prepared by Overseas Service Department 1st Ed April 2000 Printed in Japan Printing April 2000 736...