Suzuki Liana RH413, Service Manual

Page: 605 / 1302

Automatic Transmission/Transaxle: 5A-57
DTC P0743 (No. 25 or 26): TCC Circuit Electrical
S3RH0A5104028
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
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 a tester, on a level
road.
1) Connect scan tool to DLC with ignition switch OFF.
2) Clear DTCs in TCM and ECM memories by using
scan tool.
3) Start engine and warm it up to normal operating
temperature.
4) Turn O/D off switch OFF. (Confirm “O/D OFF” lamp
does not light.)
5) Drive vehicle in “D” range and repeat lock-up ON
and OFF operations 2 times each referring to
“Automatic Gear Shift Diagram”. In brief, 75 km/h (47
mile/h) with 4th gear, repeat accelerator pedal
depressing so as throttle opening to be 15% or less
and releasing for 2 times each.
6) Decrease vehicle speed gradually and stop vehicle.
7) Check DTC, pending DTC and freeze frame data, if
available.
12
G08 G07
12V
4
G08-12
BLU/WHT
2
3
1
I2RH0B510023-01
1. TCM 3. A/T
2. TCC solenoid valve 4. Terminal arrangement of TCM connector (viewed from harness side)
DTC detecting condition Trouble area
• Voltage of TCC solenoid valve TCM terminal is low
although TCM is commanding TCC solenoid to turn ON.
• Voltage of TCC solenoid valve TCM terminal is high
although TCM is commanding TCC solenoid to turn OFF.
• TCC solenoid valve circuit shorted to ground
• TCC solenoid valve circuit open or shorted to
power circuit
• TCC solenoid valve malfunction
• TCM