BCM Outputs

When troubleshooting a malfunction, the ECM and BCM output cycling can be used to determine if the output tests can be actuated regardless of the inputs and normal program instructions. Once a test in outputs and been selected, the test will display HI or LO for 3 seconds in each state to indicate the command. Only the outputs necessary to diagnose the ABS/TCS are included in this article.

For more information, see 1989 BODY COMPUTER MODULE -- ALLANTE article.