Suzuki Grand Vitara JB416 / JB420 (ESP model). Manual — part 12
1) Connect scan tool to DLC with ignition switch turned OFF.
2) Turn ON ignition switch and clear DTC by using scan tool.
3) Start engine and run it for 1 min. or more.
4) Check DTC.
NOTE
Before this trouble shooting is performed, read the precautions for DTC troubleshooting referring to
“Precautions For DTC Troubleshooting in related manual”.
DTC detecting condition
Reception error of communication data for ABS or ESP
control module is detected for longer than specified time
continuously.
(1 driving detection logic)
• CAN communication line circuit
Was “Engine and Emission Control System Check”
performed?
Go to “Engine and
Emission Control
System Check in related
manual”.
DTC check
1) Connect scan tool to DLC with ignition switch turned
2) Check ECM, TCM (for A/T model), ABS / ESP
module, 4WD control module (if equipped), keyless start
control module (if equipped) and BCM for DTC.
Is there any DTC(s) other than CAN communication DTC(s)
at each control module (other than DTC P1618, P1674,
P1676, P1678, P1685 in ECM, DTC P1774, P1777, P1778
in TCM (for A/T model), DTC U1073, U1100, U1101, U1121,
U1126, U1139, U1140, U1144 in BCM, ABS / ESP
module and 4WD control module (if equipped), and DTC
No.31 / 33 in keyless start control module (if equipped))?
Go to applicable DTC
diag. flow.
Check CAN communication error for ECM
1) Check ECM for DTC.
® control module connector check
1) Check for proper connection at each ECM and ABS /
® control module connector terminals with ignition
2) If connections are OK, recheck ECM for DTC with
Intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section 00
in related manual”.