TA11 - Check PNP Circuit Continuity Between PCM & 4EAT Module
- Key "OFF".
- 4EAT module 16 pin connector disconnected.
- Breakout box installed.
- Disconnect Powertrain Control Module (PCM).
- Measure resistance between test pin 30 at the breakout box and the Park Neutral Position (PNP) pin at the 4EAT module vehicle harness connector.
- Is resistance less than 5.0 ohms?
Yes -- Refer to the Transmission and Drivetrain for 4EAT system diagnosis. Remove breakout box and Reconnect all components when testing is complete.
No -- Service open circuit. Remove breakout box. Reconnect all components. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)