Transmission Verification Test
42RLE TRANSMISSION VERIFICATION TEST - Ver 1.For the Transmission circuit diagram refer to TRANSMISSION/TRANSAXLE/AUTOMATIC - 42RLE - SCHEMATICS AND DIAGRAMS.
For a complete wiring diagrams, refer to Wiring.
Diagnostic Test
1. 42RLE TRANSMISSION VERIFICATION TEST - Ver 1.
NOTE:
1. After completion of the Transmission Verification Test, the Powertrain Verification Test must be performed. Refer to the Engine Category.
2. Connect the scan tool to the Data Link Connector (DLC).
3. Reconnect any disconnected components.
4. With the scan tool, erase all Transmission DTC's, also erase the PCM DTC's.
5. Perform *PRNDL FAULT CLEARING PROCEDURE after completion of repairs for P0706 CHECK SHIFTER SIGNAL.
6. With the scan tool, display Transmission Temperature. Start and run the engine until the Transmission Temperature is HOT, above 430 C or 1100 F.
7. Check the transmission fluid and adjust if necessary. Refer to the Service Information for the Fluid Fill procedure.
NOTE:
8. If the Powertrain Control Module or Torque Converter has been replaced, or if the Transmission has been repaired or replaced, it is necessary to perform the scan tool Quick Learn Procedure.
NOTE:
9. If the Powertrain Control Module or Front Control Module has been replaced you must reset the Pinion Factor in the Front Control Module.
10. Road test the vehicle. With the scan tool, monitor the engine RPM. Make 15 to 20 1-2, 2-3, 3-4 upshifts. Perform these shifts from a standing start to 45 MPH with a constant throttle opening of 20 to 25 degrees.
11. Below 25 MPH, make 5 to 8 wide open throttle kickdowns to 1st gear. Allow at least 5 seconds each in 2nd and 3rd gear between each kickdown.
12. For a specific DTC, drive the vehicle to the Symptom's When Monitored/When Set conditions to verify the DTC is repaired.
13. If equipped with AutoStick, upshift and downshift several times using the AutoStick feature during the road test.
NOTE:
14. Use the EATX OBDII task manager to run Good Trip time in each gear, this will confirm the repair and to ensure that the DTC has not re-matured.
15. Check for Diagnostic Trouble Codes (DTC's) during the road test. If a DTC sets during the road test, return to the Symptom list and perform the appropriate symptom.
NOTE:
16. Erase P0700 DTC in the PCM to turn the MIL light off after making transmission repairs.
Were there any Diagnostic Trouble Codes set during the road test?
Yes >> Repair is not complete, refer to the appropriate symptom.
Perform 42RLE TRANSMISSION VERIFICATION TEST - Ver 1.
No >> Repair is complete.