Dtc P0720 Output Speed Sensor Circuit Malfunction 7B1 - Suzuki Grand Vitara XL-7 Service Manual

DTC P0720 (DTC NO.31) OUTPUT SPEED SENSOR CIRCUIT MALFUNCTION
WIRING DIAGRAM
DTC DETECTING CONDITION AND TROUBLE AREA
DTC DETECTING CONDITION
[When gear position is 1st, 2nd or 3rd gear]
The following condition is detected for one minute
continuously in the period between ignition switch ON
and OFF.
D No pulse signal out of output shaft speed sensor is
inputted although 20 pulses out of input shaft speed
sensor are inputted.
and
D Transmission range sensor signal is detected as "D",
"2" or "L" range.
and
D Vehicle speed is more than 5 km/h (3 mile).
[When gear position is 4th gear]
D Detected (calculated) output shaft revolution is
0 rpm and 1500 rpm or more less than last detected
(calculated) revolution.
and
D Transmission range sensor signal is detected as "D",
"2" or "L" range.
and
D Vehicle speed is more than 5 km/h (3 mile).
AUTOMATIC TRANSMISSION (4 A / T) 7B1-45
WHT
TROUBLE AREA
D Output shaft speed sensor or its circuit
D TCM
1. TCM
2. Output shaft speed sensor
3. Terminal arrangement of TCM connector
(viewed from harness side)