Suzuki GRAND VITARA JB416, Service Manual

Page: 254 / 474

4E-31 ABS:
DTC Detecting Condition
Transmission error that is inconsistent between transmission data and transmission monitor (CAN bus monitor) data is
detected more than 7 times continuously.
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 in related manual”.
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
in related manual”.
4 1) Turn ignition switch to OFF position.
2) Connect connectors of disconnected control modules
communicating by means of CAN.
3) Disconnect each connector.
• ECM
• TCM (for A/T model)
• BCM
• 4WD control module (if equipped)
• Keyless start control module (if equipped)
• Steering angle sensor (with ESP
®
)
4) Recheck DTC.
Is DTC U1073 detected?
Check ABS (ESP
®
)
control module power
and ground circuit. If
circuits are OK,
substitute a known-
good ABS (ESP
®
)
hydraulic unit / control
module assembly and
recheck.
Check applicable
control module power
and ground circuit. If
circuit is OK, substitute
a known-good
applicable control
module and recheck.