Dtc P0720 (No. 31): Output Speed Sensor / Vss Circuit Malfunction - Suzuki Liana RH413 Service Manual

5A-52 Automatic Transmission/Transaxle:

DTC P0720 (No. 31): Output Speed Sensor / VSS Circuit Malfunction

Wiring Diagram
2
1. TCM 2. Output shaft speed sensor / VSS
DTC Detecting Condition and Trouble Area
DTC detecting condition
No output shaft speed sensor signal is detected although
input shaft speed sensor signals are detected while vehicle is
running at 5 km/h (3 mile/h) or more in vehicle speed with
"D", "2" or "L" range.
DTC Confirmation Procedure
WARNING
!
• When performing a road test, select a
place where there is no traffic or
possibility of a traffic accident and be very
careful during testing to avoid occurrence
of an accident.
• Road test should be carried out with 2
persons, a driver and tester, on a level
road.
IG1
BLK/RED
PPL/RED G07-24
BLK/ORN
G08
3. Terminal arrangement of TCM connector (viewed from harness side)
• Output shaft speed sensor or its circuit malfunction
• Damaged sensor gear / driven gear
• Damaged output shaft speed sensor / VSS drive
• TCM
1) Connect scan tool to DLC with ignition switch OFF.
2) Clear DTCs in TCM and ECM memories by using
3) Shift selector lever to "D" range and drive vehicle at
4) Stop vehicle and check DTC, pending DTC and
1
12V
G07
24
Trouble area
gear
scan tool and start engine.
50 km/h (31 mile/h) or more vehicle speed at least
for 3 minutes.
freeze frame data, if available.
S3RH0A5104025
3
I2RH0B510021-01