Suzuki Grand Vitara XL-7 Service Manual page 455

7B1-50 AUTOMATIC TRANSMISSION (4 A / T)
DTC P0743 (DTC NO.25/26) TCC (LOCK-UP) SYSTEM ELECTRICAL
WIRING DIAGRAM
DTC DETECTING CONDITION AND TROUBLE AREA
DTC DETECTING CONDITION
The following condition is detected 8 times of gear
change continuously.
D Voltage at terminal E203-12 of TCM is too high while
TCC solenoid OFF is commanded or too low while
TCC solenoid ON is commanded.
GRN / YEL
D TCC (lock-up) solenoid valve
D TCC (lock-up) solenoid valve circuit
D TCM
1. A / T
2. TCC (Lock-up) solenoid
3. TCM
4. Terminal arrangement of TCM connector
(viewed from harness side)
TROUBLE AREA