Suzuki Grand Vitara XL-7 Service Manual page 460

DTC CONFIRMATION PROCEDURE
WARNING:
D When performing a road test, select a place where there is no traffic or possibility of a traffic accident
and be very careful during testing to avoid occurrence of an accident.
D Road test should be carried out with 2 persons, a driver and a tester, on a level road.
1) Connect scan tool to DLC with ignition switch OFF.
2) Clear DTC in TCM memory by using scan tool.
3) Start engine and shift transfer lever to "2H" or "4H" range.
4) Shift selector lever in D range and start vehicle.
5) Increase vehicle speed to about 80 km/h (50 mile/h) with 4th gear in D range.
6) Release accelerator pedal, decrease vehicle speed and stop vehicle.
7) Repeat step 4) to step 6) five times.
8) Check DTC by using scan tool.
TROUBLESHOOTING
Step
1 Was "A/T DIAGNOSTIC FLOW TABLE" in this
section performed?
2 Check shift solenoid circuit for short.
1) Turn ignition switch OFF and disconnect TCM
connectors.
2) Check for proper connection to TCM at
terminals E202-3 or E203-4.
3) If OK, then turn ignition switch ON and measure
voltage between terminal E203-3 or E203-4 of
disconnected harness side TCM connector and
ground.
Is it about 0 V?
3 Check shift solenoid circuit for open or short.
1) Turn ignition switch OFF.
2) Measure resistance between terminal E203-3
or E203-4 of disconnected harness side TCM
connector and ground.
Is it 11 – 15 Ω (at 20_C (68_F))?
Action
AUTOMATIC TRANSMISSION (4 A / T) 7B1-55
Yes
Go to Step 2.
Go to Step 3.
Intermittent trouble or
faulty TCM.
Check for intermittent
referring to
"INTERMITTENT AND
POOR CONNECTION"
in Section 0A.
If OK, substitute a
known-good TCM and
recheck.
No
Go to "A/T
DIAGNOSTIC FLOW
TABLE" in this section.
"GRN" or "GRN/RED"
circuit shorted to power
circuit.
"GRN" or "GRN/RED"
circuit open or shorted
to ground.
If wire and connections
are OK, replace
malfunction shift
solenoid.