Suzuki GRAND VITARA JB416, Service Manual

Page: 50 / 474

1A-32 Engine General Information and Diagnosis:
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
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.
DTC Troubleshooting
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 Trouble area
Transmission error that is inconsistent between
transmission data and transmission monitor (CAN bus
monitor) data is detected more than 7 times continuously.
(1 driving detection logic) • ECM
• BCM
• TCM (for A/T model)
• Keyless start control module (if equipped)
• ABS or ESP
®
control module
• 4WD control module (if equipped)
• Combination meter
• CAN communication line circuit
• Steering angle sensor (for vehicle with ESP
®
)
Step Action Yes No
1 Was “Engine and Emission Control System Check”
performed? Go to Step 2. Go to “Engine and
Emission Control
System Check: in
related manual”.
2 DTC check
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Check ECM, TCM (for A/T model), ABS / ESP
®
control
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
®
control
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. Go to Step 3.