Suzuki Liana RH418, Supplementary Service Manual

Page: 273 / 371

Automatic Transmission/Transaxle: 5A-47
DTC P0748 (No.41 / No.42): Pressure Control Solenoid-A Electrical
S3RH0B5104045
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) Clear DTCs in TCM memory.
2) Start engine and keep engine running for 1 minute.
3) Check DTC.
DTC Troubleshooting
11 8
G08 G07
3
1
2
G08-8
GRY/RED
GRY/BLK
12V
G08-11
I3RH01510275-01
1. Pressure control
solenoid valve
3. Terminal arrangement of TCM connector
(viewed from harness side)
2. TCM
DTC detecting condition Trouble area
• Too much electric flow is detected on pressure control
solenoid circuit.
• No electric flow is detected on pressure control solenoid
circuit.
• Pressure control solenoid circuit shorted to power
circuit.
• Pressure control solenoid circuit open or shorted to
ground.
• Pressure control solenoid malfunction.
• TCM
Step Action Yes No
1 Was “A/T System Check” performed? Go to Step 2. Go to “A/T System
Check”.
2 Check pressure control solenoid valve circuit for IG
short
1) Turn ignition switch OFF and disconnect TCM
connectors.
2) Check for proper connection to TCM at terminals “G08-
11” and “G08-8”.
3) If OK, turn ignition switch ON and measure voltage
between terminal “G08-11” of disconnected harness side
TCM connector and ground.
Is it 0 V?
Go to Step 3. “GRY/RED” or “GRY/
BLK” circuit shorted to
power circuit.