Suzuki 2000 Grand Vitara SQ416, Руководство по обслуживанию

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YH4
GRAND
VITARA
6-1-18 ENGINE (H25 ENGINE)
5. TROUBLE SYMPTOM CONFIRMATION
Based on information obtained in Step 1 “CUSTOMER COMPLAINT ANALYSIS” and Step 2 “DTC / FREEZE
FRAME DATA CHECK”, confirm trouble symptoms. Also, reconfirm DTC according to “DTC CONFORMATION
PROCEDURE” described in each “DTC FLOW TABLE”.
6. and 7. RECHECKING AND RECORD OF DTC
Refer to “DTC Check” in this section for checking procedure.
8. ENGINE BASIC INSPECTION AND ENGINE DIAGNOSIS TABLE
Perform basic engine check according to the “ENGINE BASIC INSPECTION FLOW TABLE” first. When the end
of the flow table has been reached, check the parts of the system suspected as a possible cause referring to
“ENGINE DIAGNOSIS TABLE” and based on symptoms appearing on the vehicle (symptoms obtained through
steps of customer complaint analysis, trouble symptom confirmation and / or basic engine check) and repair or
replace faulty parts, if any.
ENGINE BASIC INSPECTION FLOW TABLE
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”
in “CRANKING
SYSTEM” section.
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 “ENGINE AND
EMISSION CONTROL” section.
Is check result as specified? Go to Step 6. Go to “ENGINE
DIAGNOSIS
TABLE”
in this section.
6 Check ignition timing referring to “Ignition Timing Inspec-
tion” in “IGNITION SYSTEM” section.
Is check result as specified? Go to “ENGINE
DIAGNOSIS
TABLE”
in this section. Adjust ignition
timing.
7 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 9. Go to Step 8.
8 Check fuel pump for operating.
1) 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” in this
section. Go to “Diag. Flow
Table B-1” in this
section.
9 Check ignition spark referring to “Ignition Spark Test”
in “IGNITION SYSTEM” section.
Is it in good condition? Go to Step 10. Go to “DIAGNOSIS”
in “IGNITION
SYSTEM section.
10 Check fuel injector referring to “Fuel Injector Inspection”
in “ENGINE AND EMISSION CONTROL” section.
Is it in good condition? Go to “ENGINE
DIAGNOSIS
TABLE”
in this section. Go to “Diag. Flow
Table B-2 in this
section.