Test TC-171B - Governor Pressure Solenoid/Trans Relay CKTS
NOTE:
Perform TEST TC-171A before proceeding.
NOTE:
For connector terminal identification, refer to CONNECTOR IDENTIFICATION . For wiring diagram, see WIRING DIAGRAMS
article in this section.
- Turn ignition off. Disconnect transmission solenoid connector. Inspect connector and terminals for damage. Repair connector and terminals as necessary and perform TEST VER-2A. If connector and terminals are okay, go to next step.
- Using an external ohmmeter, check resistance of transmission relay control circuit between transmission solenoid connector and Powertrain Control Module (PCM). If resistance is 5 ohms or more, repair open transmission relay control circuit and perform TEST VER-2A . If resistance is less than 5 ohms, go to next step.
- Check resistance of transmission control relay output circuit between transmission relay connector and transmission solenoid connector. If resistance is more than 5 ohms, repair open transmission control relay output circuit and perform TEST VER-2A. If resistance is 5 ohms or less, go to next step.
- Drain and remove transmission pan. Disconnect governor pressure solenoid connector. Inspect connector/terminals for damage. Repair connector and terminals as necessary and perform TEST VER-2A. If connector and terminals are okay, go to next step.
- Check resistance across governor pressure solenoid terminals. If resistance 8 ohms or less, replace internal transmission wiring harness and perform TEST VER-2A . If resistance more than 8 ohms, replace governor pressure solenoid and perform TEST VER-2A.