Impreza Sedan AWD F4-1820cc 1.8L SOHC (1993)
Transmission Speed Sensor: Testing and Inspection
Vehicle Speed Sensor 1
MEASURE TCM SIGNAL VOLTAGE INPUT
Measure TCM Input Signal Voltage
1.
Raise vehicle and place on safety stands.
CAUTION: On AWD models, raise all wheels off floor.
2.
Start engine and set vehicle to 12 mph.
3. Measure signal voltage input of TCM.
Connector & Terminal
Voltage
(B53) 15 - 16
AC 1 V, min.
Select Monitor Function Mode F02
Condition: Simulated driving
Specified data: VSP1 F02
(Vehicle speed) miles/h
Mode F03: km/h indication
CHECK HARNESSES AND CONNECTORS BETWEEN TCM AND VEHICLE SPEED SENSOR 1
Check Harness And Connectors Between TCM And Speed Sensor 1
1.
Unplug TCM connector.
2.
Unplug connector from transmission.
3.
Measure resistance between TCM connector and transmission connector.
Connector & Terminal
Resistance
(B53) 15 - (B9) 16
0 ohms
(B53) 15 - body
1 M ohms, min.
(B53) 16 - (B9) 9
0 ohms
