Dtc Check; Dtc Clearance - Suzuki Grand Vitara 2011 Manual

1A-281 Engine General Information and Diagnosis: For Diesel Engine Model
Step 2: Visual Inspection
As a preliminary step, be sure to perform visual check of
the items that support proper function of the engine
referring to "Visual Inspection: For Diesel Engine Model".
Step 3: DTC Check, Record and Clearance
First, check DTC, referring to "DTC Check: For Diesel
Engine Model". If DTC is indicated, record and clear
DTC by referring to "DTC Clearance: For Diesel Engine
Model".
Attempt to diagnose a trouble based on DTC in this step
only or failure to clear the DTC in this step will lead to
incorrect diagnosis, trouble diagnosis of a normal circuit
or difficulty in troubleshooting.
Step 4: Engine Basic Inspection and Fault Finding-
Customer Complaints
Perform basic engine check according to "Engine Basic
Inspection: For Diesel Engine Model" first. When the end
of the flow table has been reached, check the parts of
the system suspected as a possible cause referring to
"Fault Finding-Customer Complaints: For Diesel Engine
Model" 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.
Step 5: Recheck DTC
Refer to "DTC Check: For Diesel Engine Model" for
checking procedure.
Step 6: Troubleshooting for DTC (See each DTC
Diag. Flow)
Based on the DTC indicated in Step 5 and referring to
the applicable DTC diag. flow, locate the cause of the
trouble, namely in a sensor, switch, wire harness,
connector, actuator, ECM or other part and repair or
replace faulty parts.
Step 7: Intermittent Problems Check
Check parts where an intermittent trouble is easy to
occur (e.g., wire harness, connector, etc.), referring to
"Intermittent and Poor Connection Inspection in Section
00" and related circuit of DTC recorded in Step 2.
Step 8: Final Confirmation Test
Confirm that the problem symptom has gone and the
engine is free from any abnormal conditions. If what has
been repaired is related to the DTC, clear the DTC once
and then recheck DTC and confirm that no DTC is
indicated.

DTC Check

1) Prepare SUZUKI scan tool or OBD generic scan
tool.
2) Connect it to data link connector (DLC) (1) located
on underside of instrument panel at driver's seat
side.
Special tool
(A): SUZUKI scan tool
(A)
3) Turn ignition switch ON.
4) Read DTC, according to instructions displayed on
scan tool and print them or write them down. Refer to
scan tool operator's manual for further details.
If communication between scan tool and ECM is not
possible, check if scan tool is communicable by
connecting it to ECM in another vehicle.
If communication is possible in this case, scan tool is
in good condition. Then check data link connector
and serial data line (circuit) in the vehicle with which
communication was not possible.
5) After completing the check, turn ignition switch OFF
and disconnect scan tool from data link connector.

DTC Clearance

NOTE
In case that DTC P0606 D6 can not be cleared
according to this procedure, clear DTC by
specified procedure described in "DTC
P0606: ECM Processor: For Diesel Engine
Model".
1) Connect SUZUKI scan tool to data link connector in
the same manner as when making this connection
for DTC check.
2) Turn ignition switch OFF and then ON (but engine at
stop).
3) Erase DTC according to instructions displayed on
scan tool. Refer to scan tool operator's manual for
further details.
4) After completing the clearance, turn ignition switch
OFF and disconnect scan tool from data link
connector.
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