Suzuki Liana RH418, Supplementary Service Manual

Page: 287 / 371

Automatic Transmission/Transaxle: 5A-61
TCM Power and Ground Circuit Check
S3RH0B5104039
Wiring Diagram
Troubleshooting
15 19 20
G08 G07
5
BB IG11
G08-20
G08-15
G08-19
BLK/WHT
BLK
BLK
3
2
4
1
I2RH01510018-01
1. TCM 3. Ignition switch 5. Terminal arrangement of TCM connector (viewed from harness side)
2. IG fuse 4. Main fuse
Step Action Yes No
1 Check TCM power circuit
1) Disconnect TCM connector with ignition switch OFF.
2) Check for proper connection to TCM at “G08-20”
terminal.
3) If OK, turn ignition switch ON and check voltage at
terminal “G08-20” of disconnected TCM connector.
Is it 10 – 14 V?
Go to Step 2. “BLK/WHT” circuit open.
2 Check TCM ground circuit
1) Turn ignition switch OFF.
2) With TCM connectors disconnected, check for proper
connection to TCM at “G08-15” terminal.
3) If OK, check resistance between “G08-15” / “G08-19”
terminal of disconnected TCM connector and body
ground.
Is continuity indicated?
TCM power and ground
circuits are in good
condition. “BLK” circuit open.