Test Notes
Test Schematic:
You should enter this Pinpoint Test only when directed here.
This Pinpoint Test is intended to diagnose the following:
- Transmission Fluid Temperature (TFT) sensor
- Harness circuits: TFT SIG and SIG RTN
- Powertrain Control Module (PCM)
TFT Sensor Graph:
TFT Sensor Graph
NOTE: Voltage values are calculated for Refence Voltage (VREF) = 5.0 volts. The values may vary 15 percent due to sensor and VREF variations. Transmission fluid temperature must be a minimum of 10°C (50°F) before taking transmission fluid temperature sensor resistance measurements.