Dtc P0725 Engine Speed Input Circuit Malfunction 7B1 - Suzuki Grand Vitara XL-7 Service Manual

7B1-48 AUTOMATIC TRANSMISSION (4 A / T)
DTC P0725 (DTC NO.35) ENGINE SPEED INPUT CIRCUIT MALFUNCTION
WIRING DIAGRAM
[A]
[B]
DTC DETECTING CONDITION AND TROUBLE AREA
DTC DETECTING CONDITION
No engine speed signal is inputted although input
shaft speed sensor signals indicate 2000 rpm or more.
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 tester, on a level road.
1) Connect scan tool to DLC with ignition switch OFF.
2) Clear DTC in TCM memory by using scan tool.
3) Start engine and shift turn O/D off switch OFF.
4) Shift selector lever in "D" range and drive vehicle with keeping vehicle speed about 65 km/h (41 mile/h) at 3rd
gear for 10 second.
5) Stop vehicle and check DTC by using scan tool.
1. TCM
2. ECM
3. Terminal arrangement of TCM connector
4. Terminal arrangement of ECM connector
[A] For vehicle equipped with single-
[B] For vehicle equipped with triple-
TROUBLE AREA
D Engine speed input circuit
D TCM
D ECM
(viewed from harness side)
(viewed from harness side)
connector ECM
connector ECM