Impreza Sedan AWD F4-1820cc 1.8L SOHC (1993)
Transmission Speed Sensor: Testing and Inspection
Engine Speed Signal
MEASURE VOLTAGE SIGNAL FROM TCM
Measure TCM Input Voltage Signal
1.
Turn ignition switch ON (engine OFF).
2.
Measure TCM input signal voltage.
Connector & Terminal
Voltage
(B52) 4 - body
10.5V, min.
Select Monitor Function Mode F06
Condition: After engine warm up
Specified data: EREV F06
(engine speed is shown in rpm)
CHECK HARNESS AND CONNECTORS BETWEEN TCM AND ECM
Check Harness And Connectors Between TCM And ECM
1.
Unplug connectors from TCM and ECM.
2.
Measure resistance between TCM connector and ECM connector.
Connector & Terminal
Resistance
(B52) 4 - (B29) 3
0 ohms
(B52) 4 - body
1 M ohm, min.