A/T - 4F20E Additional Transaxle Diagnostic Data
Article No.94-1-9
01/12/94
^ NEW GENERATION STAR TESTER (NGS) - AVAILABILITY OF PARAMETER IDENTIFICATION (PID) DATA FOR TRANSAXLE DIAGNOSIS
^ TRANSAXLE - 4F20E - ADDITIONAL DIAGNOSTIC DATA AVAILABLE USING NGS SCAN TOOL
LIGHT TRUCK:
1993-94 VILLAGER
ISSUE:
An informational chart has been developed which allows use of the Rotunda New Generation Star (NGS) Tester 007-00500 or equivalent to access Parameter Identification (PID) data used by the Transaxle Control Module (TCM) for transaxle control strategy. This information will prove useful in transaxle diagnosis.
ACTION:
Use the additional data for better 4F20E transaxle diagnostic capability. Use the informational chart in conjunction with the Diagnostic Reference Values Contained in the Villager Powertrain Control/Emissions Diagnosis Manual (PC/ED), Section 7B.
NOTE:
USE OF THE INFORMATIONAL CHART REQUIRES A DRIVER AND AN ASSISTANT TO VIEW THE DATA WHEN THE VEHICLE IS IN MOTION.
1. Connect the NGS Scan Tool to the vehicle as described in Section 5B of the 1993/94 Villager Powertrain Control/Emissions Diagnosis Manual (PC/ED).
2. Proceed with menu selection as shown, after the proper vehicle selection is made. Refer to Figures 1, 2 and 3.
3. Select the items to monitor (MAX will select all of them).
4. Normal values are shown in the chart.
NOTE:
APPROXIMATELY +/- 10% ALLOWANCE SHOULD BE MADE FOR NUMERICAL VALUES TO ALLOW FOR VEHICLE DIFFERENCES.
CHART NOTES
1. ON with accelerator pedal fully depressed
2. OFF with accelerator pedal depressed
3. ON with power EA-T switch depressed
4. ON with speed control ACCEL button depressed
5. ON with speed control activated
6. ON with selector lever in R position
7. ON with overdrive switch depressed
8. ON with selector lever in N or P position, OFF with selector lever in R, D, 2 or 1 position
9. ON with selector lever in D position
10. ON with selector lever in 2 position
11. ON with selector lever in 1 position
12. 3 with overdrive off
13. 4 with overdrive off
14. OFF with overdrive off
OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: INFORMATION ONLY
OASIS CODES: 590000