Transaxle Data Link Connector - Manual Update
FILE IN SECTION: 7 - TransmissionBULLETIN NO.: 53-71-02
DATE: April, 1995
SUBJECT:
Section 7A1A - Transaxle Data Link Connector (TDLC)
MODEL:
1995 Geo Metro
The following information serves to replace the information found in Section 7A1A of the 1995 Geo Metro Service Manual (GMP/95-M). This paragraph replaces the paragraph found on page 7A1A-3 under the headings, "OUTPUT CONTROLLED DEVICES", "Transaxle Data Link Connector (TDLC)" down to the important statement. The art included replaces "Figure 5 - Transaxle Diagnostic Connections" also found on page 7A1A-3.
The Transaxle Data Link Connector (TDLC) is located under the instrument panel to the right of the steering column. The TDLC is a natural colored six cavity connector which is used for accessing transaxle diagnostic trouble codes (DTCs). This is accomplished by connecting a test lamp from terminal one ("1") of the TDLC to B+ and connecting a fused jumper wire from terminal two ("2") to terminal four ("4") of the TDLC with the engine running (Figure 5). The Transaxle Control Module (TCM) will then cause the test lamp to flash a coded number sequence. The number of flashes will equal the first digit of the two digit DTC. A 1.5 second pause will follow, and the second set of flashes will equal the second digit of the two digit DTC. If several DTCs have been stored, a 2.5 second pause will separate each DTC beginning with the smallest number DTC first. If no malfunctions within the electronic control system exist, the test lamp will flash once. A 1.5 second pause will follow. Then, two more one second flashes indicating a DTC 12. DTC 12 indicates that no malfunctions in the electronic control system exist at this time. DTCs other than DTC 12 indicates a malfunction in the electronic control system. Refer to the "TCM Diagnostic Circuit Check" for procedures on retrieving DTCs and repairing malfunctions in the electronic control system.