Transmission Position Sensor/Switch: Testing and Inspection
Switch Test E.7.3:
3rd or 4th Gear Pressure Switch Circuit:
DISPLAY CONFIGURATION:
After .7.0 is displayed on the Fuel Data Center (FDC), the PCM/ECM switch test can be initiated by depressing the brake pedal when the brake pedal has been depressed the FDC will display E.7.0. AT this time the HI and LO buttons on the Electronic Climate Control (ECC) panel can be used to select the specific switch test. When a specific test has been selected and that switch activated, the display will alternately display the code for that test and E.0.0 to confirm the switch is working.
TEST DESCRIPTION:
This test detects the open and close of the transmission 3rd gear pressure switch at terminal C10 of the PCM/ECM.
NOTE: The transmission must operate in 3rd gear to perform this test.