Suzuki Liana RH418, Supplementary Service Manual

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5A-34 Automatic Transmission/Transaxle:
No Lock-Up Occurs
S3RH0B5104020
System Description
TCM turns TCC solenoid OFF under any of the following conditions.
• Engine coolant temperature is lower than 50
°
C (122
°
F).
• TCM detects the following DTCs.
P0715 / P0720 / P0743 / P0748 / P0753 / P0758 / P1700 / P1702
Troubleshooting
WARNING
!
• 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.
• Road test should be carried out with 2 persons, a driver and tester, on a level road.
Step Action Yes No
1 Was “A/T System Check” performed? Go to Step 2. Go to “A/T System
Check”.
2 Check DTC
Is DTC P0715, P0720, P0743, P0748, P0753, P0758,
P1700 or P1702 detected?
Perform DTC Flow to
repair and retry. Go to Step 3.
3 1) Perform running test under the following conditions and
check voltage between terminal “G08-12” of TCM
connector and ground.
• Selector lever is in “D” range.
• Engine coolant temperature is normal operating
temperature.
• Cruise control switch is turned OFF.
• Drive vehicle with TCC ON condition referring to
“Automatic Gear Shift Diagram”.
Is terminal voltage about 10 – 14 V?
Faulty TCC solenoid
valve, circuit or
transaxle. Substitute a known-
good TCM and recheck.