6-18 ENGINE GENERAL INFORMATION AND DIAGNOSIS (G16/J20 ENGINES)
Malfunction Indicator Lamp (MIL) Check
1) Turn ON ignition switch (but the engine at stop) and check
that MIL lights.
If MIL does not light up or dims, go to “Diagnostic Flow Table
A-1” for troubleshooting.
If MIL flushes, go to “Diagnostic Flow Table A-3” (vehicle with
diagnosis connector).
2) Start engine and check that MIL turns OFF.
If MIL remains ON, and no DTC is stored in ECM (PCM), go
to “Diagnostic Flow Table A-2” for troubleshooting.
Diagnostic Trouble Code (DTC) Check
[Using SUZUKI Scan Tool]
1) Prepare generic scan tool or SUZUKI scan tool.
2) Connect it to data link connector (DLC) (1) located on under-
side of instrument panel at driver’s seat side.
Special tool
(A) : SUZUKI scan tool
3) Turn ignition switch ON and confirm that MIL lights.
4) Read DTC, pending DTC and freeze frame data 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 (PCM) is not
possible, check if scan tool is communicable by connecting it
to ECM (PCM) in another car. 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 car with which
communication was not possible.
5) After completing the check, turn ignition switch off and dis-
connect scan tool from data link connector.
[A] : Other than canvas top model
[B] : Canvas top model
or
[A]
[B]
[A]
1
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