TG100 - Check For Short to Ground In Sensor Harness SIG Circuit
- Key "OFF".
- Manual Lever Position (MLP) sensor disconnected.
- Breakout box installed, Powertrain Control Module (PCM) disconnected.
- Measure resistance between test pins 30 at the breakout box and chassis ground.
- Is resistance greater than 10,000 ohms?
Yes -- Go to TG103. TG103 - Check Sensor Resistance
No -- Service short circuit. Remove breakout box. Reconnect all components. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)