Check to make sure the transmission harness connector is fully seated, terminals are fully
engaged in connector and in good condition before proceeding.
Select Diagnostic Data Link.
Select PCM.
Select PID/Data Monitor and Record.
PIDs; TFT, TFTV
Does the vehicle enter PID/Data Monitor and Record?
Yes
REMAIN in PID/Data Control. GO to B2 .
No
REPEAT procedure to enter PID. If vehicle did not enter PID, REFER to thePowertrain
Control/Emissions Diagnosis (PC/ED) manual for diagnosis of PCM and NGS.
B2 WARM-UP/COOL-DOWN CYCLE
While monitoring the TFT PIDs, carry out the following test: If transmission is cold, run
transmission to warm it up. If transmission is warm, allow transmission to cool down.
Do the TFT PIDs increase as the transmission is warmed up or decrease as the
transmission is cooled or does the TFT or TFTV drop in and out of range?
Yes
If the TFT PIDs increase as the transmission is warmed or decrease as the transmission is
cooled, CLEAR all DTCs. ROAD TEST to verify if concern is still present. If concern is still
present, REFER to Diagnosis By Symptom in this section to diagnose transmission
overheating.
If the TFT or TFTV drop in and out of range, INSPECT for intermittent concern in the
internal/external harness, sensor or connector.
No
GO to B3.
B3 ELECTRICAL SIGNAL CHECK
Transmission Harness Connector
Visually inspect all wires and connectors for damage.
Measure the voltage between pin 7 harness side and ground.
Is the voltage between 4.5 and 5.5 volts?
Yes
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