Dtc P1730 (No.64) Engine Torque Signal Circuit Malfunction - Suzuki Liana RH418 Supplementary Service Manual

DTC P1730 (No.64) Engine Torque Signal Circuit Malfunction

Wiring Diagram
2
1. TCM
2. ECM
DTC Detecting Condition and Trouble Area
DTC detecting condition
• Too long low signal of pulse signal from ECM to TCM
continues out of specification.
or
• Too short low signal of pulse signal from ECM to TCM
continues out of specification.
DTC Confirmation Procedure
1) Clear DTCs in TCM memory.
2) Start engine and run it for 10 seconds.
3) Check DTC.
12V
G04-35 RED/WHT
G08
C41
3. Terminal arrangement of TCM connector (viewed from harness side)
4. Terminal arrangement of ECM connector (viewed from harness side)
Automatic Transmission/Transaxle:
12V
G07-23
G07
23
G04 G03
5
Trouble area
• Engine torque signal circuit malfunction.
• TCM
• ECM
5A-55
S3RH0B5104050
1
3
4
I3RH0B510020-01