Chevette L4-98 1.6L (1982)
Data Link Connector: Description and Operation
Fig. 2 Trouble Code Test Lead Identification
OPERATION
The trouble code test lead is located under the dash in the Assembly Line Communications Link (ALCL), Fig. 2.
If the test lead is grounded with engine running, the ECM will control system operation as follows: No trouble codes will be set. The "Open
Loop" timer, start-up enrichment and blended enrichment will be deactivated and a 30° dwell signal will be sent to MC solenoid.
