DTC Check - Suzuki Jimny Workshop Manual
1A
DTC Check
[Using SUZUKI Scan Tool]
1)
Prepare SUZUKI scan tool.
2)
With ignition switch OFF, connect it to data link connector (DLC) (1) located on underside of instrument panel at driver's seat side.
3)
Turn ignition switch ON and confirm that MIL lights.
4)
Read DTC according to instructions displayed on scan tool and print it or write it 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.
If connector and circuit are OK, check that power supply and ground circuit of ECM and DLC are in good condition referring to MIL Does Not Light with Ignition Switch ON and Engine Does Not Start Though It Is Cranked Up:M13A without VVT .
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.
If connector and circuit are OK, check that power supply and ground circuit of ECM and DLC are in good condition referring to MIL Does Not Light with Ignition Switch ON and Engine Does Not Start Though It Is Cranked Up:M13A without VVT .
5)
After completing the check, turn ignition switch off and disconnect scan tool from data link connector.
[Without Using SUZUKI Scan Tool]
1)
Check malfunction indicator lamp referring to
Malfunction Indicator Lamp (MIL) Check:M13A without VVT
.
2)
With the ignition switch OFF position, connect diagnosis switch terminal (3) and ground terminal (2) in diagnosis connector (1) with service wire (4).
3)
With the ignition switch ON position and leaving engine OFF, read DTC from flashing pattern of malfunction indicator lamp. Refer to
DTC Table:M13A without VVT
.
If lamp does not flash or remains ON or OFF, go to Malfunction Indicator Lamp Does Not Flash, Just Remains ON or Just Remains OFF Even with Grounding Diagnosis Switch:M13A without VVT .
If lamp does not flash or remains ON or OFF, go to Malfunction Indicator Lamp Does Not Flash, Just Remains ON or Just Remains OFF Even with Grounding Diagnosis Switch:M13A without VVT .
NOTE:
•
If abnormality or malfunction lies in two or more areas, malfunction indicator lamp indicates applicable codes three times each.
And flashing of these codes is repeated as long as diagnosis terminal is grounded and ignition switch is held at ON position.
• Take a note of diagnostic trouble code indicated first.
And flashing of these codes is repeated as long as diagnosis terminal is grounded and ignition switch is held at ON position.
• Take a note of diagnostic trouble code indicated first.
4)
After completing the check, turn the ignition switch OFF position and disconnect service wire from diagnosis connector.