Suzuki GRAND VITARA User Manual

4E-28 ABS:
DTC Troubleshooting
Step Action Yes No
1 Was “ABS Check” performed? Go to Step 2. Go to “ABS Check: ”.
2 1) Check connection of connectors of all control modules
communicating by means of CAN.
2) Recheck DTC.
Is DTC U1073 indicated?
Go to Step 3. Intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection: in Section
00”.
3 1) Turn ignition switch to OFF position.
2) Disconnect connectors of all control modules
communicating by means of CAN.
3) Check CAN communication circuit between control
modules for open, short and high resistance.
Is each CAN communication circuit in good condition?
Go to Step 4. Repair insulation of
CAN communication
line circuit referring to
“Precaution for CAN
Communication
System: in Section 00”.
4 1) Turn ignition switch to OFF position.
2) Connect connectors to ABS hydraulic unit / control
module, BCM, TCM (for A/T model), 4WD control
module (if equipped), keyless start control module (if
equipped) and combination meter.
3) Recheck DTC for ABS.
Is DTC U1073 detected?
Go to Step 5. Check ECM power and
ground circuit. If circuit
is OK, substitute a
known-good ECM and
recheck.
5 1) Turn ignition switch to OFF position.
2) Disconnect connectors from BCM.
3) Recheck DTC for ABS.
Is DTC U1073 detected?
Go to Step 6. Check BCM power and
ground circuit. If circuit
is OK, substitute a
known-good BCM and
recheck.
6
NOTE
If vehicle equipped with M/T, go to Step 7.
1) Turn ignition switch to OFF position.
2) Disconnect connectors from TCM.
3) Recheck DTC for ABS.
Is DTC U1073 detected?
Go to Step 7. Check TCM power and
ground circuit. If circuit
is OK, substitute a
known-good TCM and
recheck.
7
NOTE
If vehicle is not selectable 4WD (motor shift
type), go to Step 8.
1) Turn ignition switch to OFF position.
2) Disconnect connectors from 4WD control module.
3) Recheck DTC for ABS.
Is DTC U1073 detected?
Go to Step 8. Check 4WD control
module power and
ground circuit. If circuit
is OK, substitute a
known-good 4WD
control module and
recheck.
8
NOTE
If vehicle is not equipped keyless start system,
go to Step 9.
1) Turn ignition switch to OFF position.
2) Disconnect connectors from keyless start control
module.
3) Recheck DTC for ABS.
Is DTC U1073 detected?
Go to Step 9. Check keyless start
control module power
and ground circuit. If
circuit is OK, substitute
a known-good keyless
start control module and
recheck.

Suzuki GRAND VITARA Specifications

General

Brand	Suzuki
Model	GRAND VITARA
Category	Automobile
Language	English