Test 77A - Key-In Lamp On Constantly
NOTE:
Perform TEST 75A
before proceeding with this test. For connector terminal ID, see CONNECTOR IDENTIFICATION
. For wiring schematics, see WIRING DIAGRAMS
in this article. Perform TEST VER-1 - VERIFICATION PROCEDURE
after each repair.
CAUTION:
Always turn ignition off prior to disconnecting any module connector.
Turn ignition off. Disconnect Body Control Module (BCM) Bone connector. If key-in lamp goes off, replace BCM. If key-in lamp does not go off, repair short to ground in Yellow/Red wire.