Dtc Check - Suzuki GRAND VITARA Owner's Manual

10B-12 Body Electrical Control System:
DTC
DTC (indicated
(displayed on
by alarm
SUZUKI scan
indicator lamp)
tool)
U1100 1100
U1101 1101
U1144 1144

DTC Check

Using SUZUKI Scan Tool
1) Prepare SUZUKI scan tool.
2) With ignition switch turned OFF, connect it to data link connector (DLC) located on underside of instrument panel
of driver's side.
Special tool
(A): SUZUKI scan tool
3) Turn ignition switch ON.
4) Read DTC according to instructions displayed on SUZUKI scan tool and print it or write it down.
Refer to SUZUKI scan tool operator's manual for further details.
If communication between SUZUKI scan tool and BCM is not possible, check if SUZUKI scan tool is
communicable by connecting it to BCM in another vehicle. If communication is possible in this case, SUZUKI 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 SUZUKI scan tool from data link connector.
Without Using SUZUKI Scan Tool
1) Turn ignition switch to OFF position.
2) Perform following Steps a) to d) within 10 seconds after ignition switch is turned ON and engine stops.
a) Turn lighting switch to "CLEARANCE" position.
b) Turn lighting switch to "OFF" position.
c) Repeat Steps a) and b) 2 times.
d) Press and release driver side door switch 3 times.
DTC (displayed on
odometer in
combination meter)
Lost communication with
U1100
ECM
Lost communication with
U1101
TCM
Lost communication with
U1144
key free control unit
(A)
Detected item
Receiving error of BCM from
ECM for specified time
continuously
Receiving error of BCM from
TCM for specified time
continuously
Receiving error of BCM from
keyless start control module
for specified time
continuously
1
I5JB0AA20005-02
Detecting condition
S5JB0AA204005