Suzuki Engine 2002 GRAND VITARA SQ625, Service Manual

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6-1-14 ENGINE GENERAL INFORMATION AND DIAGNOSIS (H25 ENGINE)
Engine Diagnostic Flow Table
Refer to following pages for the detail of each step.
Step Action Yes No
1 Customer Complaint Analysis
1) Perform customer complaint analysis refer-
ring to “Customer Complaint Analysis” in the
following.
Was customer complaint analysis performed?
Go to Step 2. Perform customer com-
plaint analysis.
2 DTC(s)/Freeze Frame Data Check
1) Check DTC(s)/Freeze frame data referring
to “Diagnostic Trouble Code (DTC)/Freeze
Frame Data Check” in the following.
Is there any malfunction DTC(s)?
• Record DTC(s)/Freeze
frame data.
• Clear DTC(s).
Go to Step 3.
Go to Step 4.
3 Visual Inspection
1) Perform visual inspection referring to “Visual
Inspection” in the following.
Is there any faulty condition?
Repair or replace mal-
function part.
Go to Step 11. Go to Step 5.
4 Visual Inspection
1) Perform visual inspection referring to “Visual
Inspection” in the following.
Is there any faulty condition?
Repair or replace mal-
function part.
Go to Step 11. Go to Step 8.
5 Trouble Symptom Confirmation
1) Confirm trouble symptom based on cus-
tomer complaint analysis, DTC(s)/Freeze
frame data in Step 1 in the following.
Is trouble symptom identified?
Go to Step 6. Go to Step 7.
6 DTC/Freeze Frame Data Recheck
1) Recheck DTC/freeze frame data referring to
“Diagnostic Trouble Code (DTC)/Freeze
Frame Data Check” in the following.
Is there any malfunction DTC(s)?
Go to Step 9. Go to Step 8.
7 DTC/Freeze Frame Data Recheck
1) Recheck DTC/freeze frame data referring to
“Diagnostic Trouble code (DTC)/Freeze
Frame Data Check” in the following.
Is there any malfunction DTC(s)?
Go to Step 9. Go to Step 10.
8 Engine Basic Inspection
1) Check and repair according to “Engine
Basic Inspection Flow Table” and “Engine
Diagnosis Table” in the following.
Are check and repair complete?
Go to Step 11. Check and repair mal-
function part(s).
Go to Step 11.
9 DTC Trouble Shooting
1) Check and repair according to applicable
“DTC Diag. flow table” in the following.
Are check and repair complete?
Go to Step 11. Check and repair mal-
function part(s).
Go to Step 11.
10 Intermittent Problems Check
1) Check for intermittent problems referring to
“Check for Intermittent Problem” in Section
0A.
Is there any faulty condition?
Repair or replace mal-
function part.
Go to Step 11. Go to Step 11.