Dtc P0720 Output Speed Sensor (A/T Vss) Circuit Malfunction - Suzuki Swift User Manual

7B-24 AUTOMATIC TRANSMISSION (3 A / T) (VEHICLE WITH WU-TWC)

DTC P0720 OUTPUT SPEED SENSOR (A/T VSS) CIRCUIT MALFUNCTION

Counter
shaft gear
CIRCUIT DESCRIPTION – Refer to "GENERAL DESCRIPTION" in this section.
DTC DETECTING CONDITION
No signal inputted while running vehicle with "D" or "2"
range.
DTC CONFIRMATION PROCEDURE
WARNING:
D 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.
D Road test should be carried out with 2 persons, a driver and a tester, on a level road.
1) Turn ignition switch OFF and then ON.
2) Clear DTC, shift selector lever to "2" range and drive vehicle at 3500 r/min engine speed for 3.5 seconds.
3) Stop vehicle and check DTC.
1. PCM
2. Output shaft speed sensor
3. Terminal arrangement of PCM coupler
POSSIBLE CAUSE
D "P" or "Bl" circuit open or short.
D Output shaft speed sensor malfunction.
D Foreign material being attached or sensor installed
improperly.
D Gear damaged.
*1: For G10 engine model
*2: For G13 engine model
(Viewed from harness side)