Test 28A - T42 Sense Circuit
NOTE:
Perform TEST 5A
before proceeding with this test. For connector terminal identification, see CONNECTOR IDENTIFICATION
. For wiring diagrams, see WIRING DIAGRAMS
. Perform VERIFICATION TEST VER-1A
after each repair.
CAUTION:
Always turn ignition switch to OFF position prior to disconnecting or connecting any module connector.
- Disconnect transmission range switch connector. Use scan tool in voltmeter mode. Measure voltage at terminal No. 2 on connector. If voltage is 9 volts or less, go to next step. If voltage is more than 9 volts, replace transmission range switch.
- Connect transmission range switch connector. Turn ignition off. Disconnect Transmission Control Module (TCM) connector. Place shifter in "P" position.
- Use scan tool in ohmmeter mode. Measure resistance at terminal No. 2 of transmission range switch connector. If resistance is less than 5 ohms, replace TCM. If resistance is 5 ohms or more, repair open transmission range switch circuit.