Malfunction Indicator Lamp (Mil) Check; Diagnostic Trouble Code (Dtc) Check - Suzuki GRAND VITARA XL-7 Owner's Manual

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6-1-16 ENGINE GENERAL INFORMATION AND DIAGNOSIS (H27 ENGINE)

Malfunction Indicator Lamp (MIL) Check

1) Turn ON ignition switch (but the engine at stop) and check

that MIL (1) lights.

If MIL does not light up, go to "Diagnostic Flow Table A-1" for

troubleshooting.

2) Start engine and check that MIL turns OFF.

3) If MIL remains ON, and no DTC is stored in ECM (PCM), go

to "Diagnostic Flow Table A-2" for troubleshooting.

[Using SUZUKI scan tool]

1) Prepare generic scan tool or SUZUKI scan tool (2).

2) With ignition switch OFF, connect it to data link connector

(DLC) (3) located on underside 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 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 vehicle. If communication is possi-

ble 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 dis-

connect scan tool from data link connector.

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