Suzuki Liana RH418, Supplementary Service Manual

Page: 29 / 371

Engine General Information and Diagnosis: 1A-16
2) With ignition switch OFF, 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
3) Turn ignition switch ON and confirm that MIL lights.
4) Read DTC and pending 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.
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”.
2) With the ignition switch OFF position, disconnect
SUZUKI scan tool if connected and using service
wire (4), connect diagnosis switch terminal (1) to
ground terminal (2) in diagnosis connector (3).
3) With the ignition switch ON position and leaving
engine OFF, read DTC from flashing pattern of
malfunction indicator lamp. Refer to “DTC Table”.If
lamp remains ON, go to “MIL Does Not Flash or Just
Remains ON Even with Grounding Diagnosis Switch
Terminal”.
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.
4) After completing the check, turn the ignition switch
OFF position and disconnect service wire from
diagnosis connector.
DTC Clearance
S3RH0B1104004
Using Scan Tool
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 ON.
3) Erase DTC and pending 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.
NOTE
DTC stored in ECM memory is also cleared in
the following cases. Be careful not to clear
them before keeping their record.
• When power to ECM is cut off (by
disconnecting battery cable, removing
fuse or disconnecting ECM connectors).
Without Using Scan Tool
1) Turn the ignition switch OFF position.
2) Disconnect battery negative cable for specified time
below to erase diagnostic trouble code stored in
ECM memory and reconnect it.
Time required to erase DTC
(A)
1
I3RH0A110009-01
1
2
4
3
I3RH0A110010-01
Ambient temperature Time to cut power to ECM
Over 0
°
C (32
°
F) 30 sec. or longer
Under 0
°
C (32
°
F) Not specifiable.
Select a place with higher than 0
°
C (32
°
F) temperature.