Dtc P1705 (No.51): Engine Coolant Temperature Signal Circuit Malfunction - Suzuki Liana RH418 Supplementary Service Manual

DTC P1705 (No.51): Engine Coolant Temperature Signal Circuit Malfunction

Wiring Diagram
2
1. TCM
2. ECM
DTC Detecting Condition and Trouble Area
DTC detecting condition
• After 15 minutes or more from starting to run engine in 600
rpm or more, 0 V of engine coolant temperature TCM
terminal voltage continues out of specification.
• While engine is running in 600 rpm or more, 12 V of engine
coolant temperature TCM terminal voltage continues out
of specification.
DTC Confirmation Procedure
1) Clear DTCs in TCM memory.
2) Start engine and run it for 25 minutes or more.
3) Check DTC.
GRY/BLK
G04 -8
G08
7
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
G07-7
G07
G04
8
• Engine coolant temperature sensor or its circuit
malfunction.
• Engine coolant temperature signal circuit from
ECM to TCM open or short.
• TCM
• ECM
S3RH0B5104049
1
3
G03
4
I3RH0B510019-01
Trouble area
5A-53