Dtc P0743 (No. 25 Or 26): Tcc Circuit Electrical - Suzuki Liana RH413 Service Manual

DTC P0743 (No. 25 or 26): TCC Circuit Electrical

Wiring Diagram
1
1. TCM
2. TCC solenoid valve
DTC Detecting Condition and Trouble Area
DTC detecting condition
• 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.
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.
12V
G08-12
BLU/WHT
G08
12
3. A/T
4. Terminal arrangement of TCM connector (viewed from harness side)
Automatic Transmission/Transaxle:
2
3
G07
Trouble area
• TCC solenoid valve circuit shorted to ground
• TCC solenoid valve circuit open or shorted to
power circuit
• TCC solenoid valve malfunction
• TCM
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.
5A-57
S3RH0A5104028
4
I2RH0B510023-01