ENGINE GENERAL INFORMATION AND DIAGNOSIS (H27 ENGINE) 6-1-11
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.
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.
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.
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.
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.
Is trouble symptom identified?
Go to Step 6. Go to Step 7.
6 DTC/Freeze Frame Data Recheck
1) Recheck DTC/freeze frame data.
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.
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 this sec-
tion.
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 this section.
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 “GEN-
ERAL INFORMATION” section.
Is there any faulty condition?
Repair or replace mal-
function part.
Go to Step 11.
Go to Step 11.
11 Final Confirmation Test
1) Clear DTC if any.
2) Perform final confirmation test referring to
“DTC CONFIRMATION PROCEDURE” in
this section.
Is there any problem symptom, malfunction
DTC or abnormal condition?
Go to Step 6. END.